[cig-commits] r18194 - seismo/3D/SPECFEM3D/trunk/doc/paper_draft

danielpeter at geodynamics.org danielpeter at geodynamics.org
Thu Apr 7 05:56:34 PDT 2011


Author: danielpeter
Date: 2011-04-07 05:56:31 -0700 (Thu, 07 Apr 2011)
New Revision: 18194

Modified:
   seismo/3D/SPECFEM3D/trunk/doc/paper_draft/Biblio1.bib
   seismo/3D/SPECFEM3D/trunk/doc/paper_draft/paper_sesame_2.0.pdf
   seismo/3D/SPECFEM3D/trunk/doc/paper_draft/paper_sesame_2.0.tex
   seismo/3D/SPECFEM3D/trunk/doc/paper_draft/response-reviews.pdf
Log:
updates paper with Roland's additional remark

Modified: seismo/3D/SPECFEM3D/trunk/doc/paper_draft/Biblio1.bib
===================================================================
--- seismo/3D/SPECFEM3D/trunk/doc/paper_draft/Biblio1.bib	2011-04-07 05:37:28 UTC (rev 18193)
+++ seismo/3D/SPECFEM3D/trunk/doc/paper_draft/Biblio1.bib	2011-04-07 12:56:31 UTC (rev 18194)
@@ -52,11796 +52,11807 @@
 
 
 @manual{ABAQUS08,
-	Address = {Providence, RI, USA},
-	Author = {SIMULIA},
-	Date-Added = {2011-04-05 18:34:16 -0400},
-	Date-Modified = {2011-04-05 18:37:55 -0400},
-	Edition = {Version 6.7},
-	Organization = {Dassault Systemes},
-	Title = {Abaqus User's Manual},
-	Year = {2008}}
+        Address = {Providence, RI, USA},
+        Author = {SIMULIA},
+        Date-Added = {2011-04-05 18:34:16 -0400},
+        Date-Modified = {2011-04-05 18:37:55 -0400},
+        Edition = {Version 6.7},
+        Organization = {Dassault Systemes},
+        Title = {Abaqus User's Manual},
+        Year = {2008}}
 
 @article{Fichtner09,
-	Author = {A. Fichtner and B. L. N. Kennett and H. Igel and H.-P. Bunge},
-	Journal = {\gji},
-	Pages = {1703--1725},
-	Title = {{Full seismic waveform tomography for upper-mantle structure in the Australasian region using adjoint methods}},
-	Volume = {179},
-	Year = {2009}}
+        Author = {A. Fichtner and B. L. N. Kennett and H. Igel and H.-P. Bunge},
+        Journal = {\gji},
+        Pages = {1703--1725},
+        Title = {{Full seismic waveform tomography for upper-mantle structure in the Australasian region using adjoint methods}},
+        Volume = {179},
+        Year = {2009}}
 
 @article{PChen07b,
-	Author = {P. Chen and L. Zhao and T. H. Jordan},
-	Journal = {\bssa},
-	Number = {4},
-	Pages = {1094--1120},
-	Title = {{Full 3D tomography for the crustal structure of the Los Angeles region}},
-	Volume = {97},
-	Year = {2007}}
+        Author = {P. Chen and L. Zhao and T. H. Jordan},
+        Journal = {\bssa},
+        Number = {4},
+        Pages = {1094--1120},
+        Title = {{Full 3D tomography for the crustal structure of the Los Angeles region}},
+        Volume = {97},
+        Year = {2007}}
 
 @article{Askan07a,
-	Author = {A. Askan and V. Akcelik and J. Bielak and O. Ghattas},
-	Journal = {\bssa},
-	Pages = {1990--2008},
-	Title = {{Full waveform inversion for seismic velocity and anelastic losses in heterogeneous structures}},
-	Volume = {97(6)},
-	Year = {2007}}
+        Author = {A. Askan and V. Akcelik and J. Bielak and O. Ghattas},
+        Journal = {\bssa},
+        Pages = {1990--2008},
+        Title = {{Full waveform inversion for seismic velocity and anelastic losses in heterogeneous structures}},
+        Volume = {97(6)},
+        Year = {2007}}
 
 @article{Akcelik03,
-	Author = {V. Ak\c{c}elik and J. Bielak and G. Biros and I. Epanomeritakis and A. Fern\'{a}ndez and O. Ghattas and E. J. Kim and J. L\'{o}pez and D. O'Hallaron and T. Tu and J. Urbanic},
-	Journal = {Proc. ACM/IEEE Supercomputing SC'2003 conference},
-	Note = {{published on CD-ROM and at www.sc-conference.org/sc2003}},
-	Title = {{High resolution forward and inverse earthquake modeling on terascale computers}},
-	Year = {2003}}
+        Author = {V. Ak\c{c}elik and J. Bielak and G. Biros and I. Epanomeritakis and A. Fern\'{a}ndez and O. Ghattas and E. J. Kim and J. L\'{o}pez and D. O'Hallaron and T. Tu and J. Urbanic},
+        Journal = {Proc. ACM/IEEE Supercomputing SC'2003 conference},
+        Note = {{published on CD-ROM and at www.sc-conference.org/sc2003}},
+        Title = {{High resolution forward and inverse earthquake modeling on terascale computers}},
+        Year = {2003}}
 
 @article{Akcelik02,
-	Author = {V. Ak\c{c}elik and G. Biros and O. Ghattas},
-	Journal = {Proc. ACM/IEEE Supercomputing SC'2002 conference},
-	Note = {{published on CD-ROM and at www.sc-conference.org/sc2002}},
-	Title = {{Parallel multiscale Gauss--Newton--Krylov methods for inverse wave propagation}},
-	Year = {2002}}
+        Author = {V. Ak\c{c}elik and G. Biros and O. Ghattas},
+        Journal = {Proc. ACM/IEEE Supercomputing SC'2002 conference},
+        Note = {{published on CD-ROM and at www.sc-conference.org/sc2002}},
+        Title = {{Parallel multiscale Gauss--Newton--Krylov methods for inverse wave propagation}},
+        Year = {2002}}
 
 @manual{ANSYS11,
-	Address = {Canonsburg, PA, USA},
-	Author = {ANSYS},
-	Edition = {Release 12.1},
-	Organization = {ANSYS, Inc.},
-	Title = {{ANSYS} Academic Research Workbench Platform},
-	Year = {2011}}
+        Address = {Canonsburg, PA, USA},
+        Author = {ANSYS},
+        Edition = {Release 12.1},
+        Organization = {ANSYS, Inc.},
+        Title = {{ANSYS} Academic Research Workbench Platform},
+        Year = {2011}}
 
 @inbook{Ma92,
-	Author = {J. L. Mallet},
-	Chapter = {{GOCAD}: a computer aided design program for geological applications},
-	Editor = {A. K. Turner},
-	Pages = {123-141},
-	Publisher = {Kluwer Academic Publishers},
-	Title = {Three-Dimensional Modeling with Geoscientific Information Systems},
-	Year = {1992}}
+        Author = {J. L. Mallet},
+        Chapter = {{GOCAD}: a computer aided design program for geological applications},
+        Editor = {A. K. Turner},
+        Pages = {123-141},
+        Publisher = {Kluwer Academic Publishers},
+        Title = {Three-Dimensional Modeling with Geoscientific Information Systems},
+        Year = {1992}}
 
 @article{GaGaGo10,
-	Author = {D. Gardia-Donoro and L. E. Garcia-Castillo and I. G\'omez-Revuelto},
-	Journal = {Finite Elements in Analysis and Design},
-	Number = {4},
-	Pages = {328-338},
-	Title = {An interface between an hp-adaptive finite element package and the pre- and post-processor {GiD}},
-	Volume = {46},
-	Year = {2010}}
+        Author = {D. Gardia-Donoro and L. E. Garcia-Castillo and I. G\'omez-Revuelto},
+        Journal = {Finite Elements in Analysis and Design},
+        Number = {4},
+        Pages = {328-338},
+        Title = {An interface between an hp-adaptive finite element package and the pre- and post-processor {GiD}},
+        Volume = {46},
+        Year = {2010}}
 
 @manual{Gid11,
-	Author = {R. Rib\'o and M. A. {de Riera Pasenau} and E. Escolano},
-	Organization = {International Center For Numerical Methods In Engineering (CIMNE)},
-	Title = {{GiD} reference manual, Pre and post processing system for F.E.M. calculations},
-	Url = {www.gidhome.com},
-	Year = {2011},
-	Bdsk-Url-1 = {www.gidhome.com}}
+        Author = {R. Rib\'o and M. A. {de Riera Pasenau} and E. Escolano},
+        Organization = {International Center For Numerical Methods In Engineering (CIMNE)},
+        Title = {{GiD} reference manual, Pre and post processing system for F.E.M. calculations},
+        Url = {www.gidhome.com},
+        Year = {2011},
+        Bdsk-Url-1 = {www.gidhome.com}}
 
 @conference{NoNu04,
-	Address = {Vancouver, British Columbia, Canada},
-	Author = {C. R. Noble and L. K. Nuss},
-	Booktitle = {13th World Conference on Earthquake Engineering},
-	Title = {Nonlinear Seismic Analysis of Morrow Point Dam},
-	Year = {2004}}
+        Address = {Vancouver, British Columbia, Canada},
+        Author = {C. R. Noble and L. K. Nuss},
+        Booktitle = {13th World Conference on Earthquake Engineering},
+        Title = {Nonlinear Seismic Analysis of Morrow Point Dam},
+        Year = {2004}}
 
 @manual{TrueGrid01,
-	Author = {R. Rainsberger},
-	Edition = {Version 2.3.0},
-	Organization = {XYZ Scientific Applications, Inc.},
-	Title = {{TrueGrid} User's Manual},
-	Year = {2006}}
+        Author = {R. Rainsberger},
+        Edition = {Version 2.3.0},
+        Organization = {XYZ Scientific Applications, Inc.},
+        Title = {{TrueGrid} User's Manual},
+        Year = {2006}}
 
 @inproceedings{RiCa07,
-	Author = {Andr\'e Ribes and Christian Caremoli},
-	Booktitle = {{COMPSAC} '07: Proceedings of the 31st Annual International Computer Software and Applications Conference},
-	Organization = {IEEE Computer Society},
-	Pages = {553-564},
-	Title = {Salome platform component model for numerical simulation},
-	Volume = {2},
-	Year = {2007}}
+        Author = {Andr\'e Ribes and Christian Caremoli},
+        Booktitle = {{COMPSAC} '07: Proceedings of the 31st Annual International Computer Software and Applications Conference},
+        Organization = {IEEE Computer Society},
+        Pages = {553-564},
+        Title = {Salome platform component model for numerical simulation},
+        Volume = {2},
+        Year = {2007}}
 
 @manual{BeLeRo10,
-	Address = {Guyancourt, France},
-	Author = {Vincent Bergeaud and Vincent Lefebvre and \'Etienne Rossignon},
-	Organization = {Open Cascade},
-	Title = {{SALOME} The open source integration platform for numerical simulation},
-	Year = {2010}}
+        Address = {Guyancourt, France},
+        Author = {Vincent Bergeaud and Vincent Lefebvre and \'Etienne Rossignon},
+        Organization = {Open Cascade},
+        Title = {{SALOME} The open source integration platform for numerical simulation},
+        Year = {2010}}
 
 @book{Fi11,
-	Address = {Heidelberg, Germany},
-	Author = {Andreas Fichtner},
-	Publisher = {Springer-Verlag},
-	Title = {Full seismic waveform modelling and inversion},
-	Year = {2010}}
+        Address = {Heidelberg, Germany},
+        Author = {Andreas Fichtner},
+        Publisher = {Springer-Verlag},
+        Title = {Full seismic waveform modelling and inversion},
+        Year = {2010}}
 
 @inproceedings{TaCrEtViBeSa10,
-	Address = {San Francisco, California, USA},
-	Author = {J. Tago and Cruz-Atienza, V. M. and \'Etienne, V. and Virieux, J. and Benjemaa, M. and S\'anchez-Sesma, F. J.},
-	Booktitle = {Abstract S51A-1915 presented at 2010 AGU Fall Meeting},
-	Journal = {Eos Trans. AGU},
-	Month = {December},
-	Note = {www.agu.org/meetings/fm10/waisfm10.html},
-	Title = {3{D} dynamic rupture with anelastic wave propagation using an hp-adaptive {D}iscontinuous {G}alerkin method},
-	Year = {2010}}
+        Address = {San Francisco, California, USA},
+        Author = {J. Tago and Cruz-Atienza, V. M. and \'Etienne, V. and Virieux, J. and Benjemaa, M. and S\'anchez-Sesma, F. J.},
+        Booktitle = {Abstract S51A-1915 presented at 2010 AGU Fall Meeting},
+        Journal = {Eos Trans. AGU},
+        Month = {December},
+        Note = {www.agu.org/meetings/fm10/waisfm10.html},
+        Title = {3{D} dynamic rupture with anelastic wave propagation using an hp-adaptive {D}iscontinuous {G}alerkin method},
+        Year = {2010}}
 
 @article{BeGlCrVi09,
-	Author = {M. Benjemaa and Glinsky-Olivier, N. and Cruz-Atienza, V. M. and Virieux, J.},
-	Doi = {10.1111/j.1365-246X.2009.04088.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {541--560},
-	Title = {3{D} dynamic rupture simulation by a finite volume method},
-	Volume = {178},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2009.04088.x}}
+        Author = {M. Benjemaa and Glinsky-Olivier, N. and Cruz-Atienza, V. M. and Virieux, J.},
+        Doi = {10.1111/j.1365-246X.2009.04088.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {541--560},
+        Title = {3{D} dynamic rupture simulation by a finite volume method},
+        Volume = {178},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2009.04088.x}}
 
 @article{BeGlCrViPi07,
-	Author = {Benjemaa, M. and Glinsky-Olivier, N. and Cruz-Atienza, V. M. and Virieux, J. and Piperno, S.},
-	Doi = {10.1111/j.1365-246X.2006.03500.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {271--285},
-	Title = {{D}ynamic non-planar crack rupture by a finite volume method},
-	Volume = {171},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03500.x}}
+        Author = {Benjemaa, M. and Glinsky-Olivier, N. and Cruz-Atienza, V. M. and Virieux, J. and Piperno, S.},
+        Doi = {10.1111/j.1365-246X.2006.03500.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {271--285},
+        Title = {{D}ynamic non-planar crack rupture by a finite volume method},
+        Volume = {171},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03500.x}}
 
 @article{arnadottiretal2001,
-	Author = {T. \'Arnad\'ottir and S. Hreinsd\'ottir and G. Gudmunsson and P. Einarsson and M. Heinert and C. V\"olksen},
-	Journal = grl,
-	Pages = {4031--4033},
-	Title = {Crustal deformation measured by {GPS} in the {S}outh {I}celand {S}eismic {Z}one due to two large earthquakes in {J}une 2000},
-	Volume = {28},
-	Year = {2001}}
+        Author = {T. \'Arnad\'ottir and S. Hreinsd\'ottir and G. Gudmunsson and P. Einarsson and M. Heinert and C. V\"olksen},
+        Journal = grl,
+        Pages = {4031--4033},
+        Title = {Crustal deformation measured by {GPS} in the {S}outh {I}celand {S}eismic {Z}one due to two large earthquakes in {J}une 2000},
+        Volume = {28},
+        Year = {2001}}
 
 @article{EtChViGl10,
-	Author = {\'Etienne, V. and Chaljub, E. and Virieux, J. and Glinsky, N.},
-	Doi = {10.1111/j.1365-246X.2010.04764.x},
-	Journal = gji,
-	Number = {2},
-	Pages = {941--962},
-	Title = {An hp-adaptive discontinuous {G}alerkin finite-element method for 3-{D} elastic wave modelling},
-	Volume = {183},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04764.x}}
+        Author = {\'Etienne, V. and Chaljub, E. and Virieux, J. and Glinsky, N.},
+        Doi = {10.1111/j.1365-246X.2010.04764.x},
+        Journal = gji,
+        Number = {2},
+        Pages = {941--962},
+        Title = {An hp-adaptive discontinuous {G}alerkin finite-element method for 3-{D} elastic wave modelling},
+        Volume = {183},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04764.x}}
 
 @article{AaHaHe2001,
-	Author = {Brad T. Aagaard and John F. Hall and Thomas H. Heaton},
-	Journal = {Earthquake Spectra},
-	Number = {2},
-	Pages = {177--207},
-	Title = {Characterization of Near-Source Ground Motions with Earthquake Simulations},
-	Volume = {17},
-	Year = {2001}}
+        Author = {Brad T. Aagaard and John F. Hall and Thomas H. Heaton},
+        Journal = {Earthquake Spectra},
+        Number = {2},
+        Pages = {177--207},
+        Title = {Characterization of Near-Source Ground Motions with Earthquake Simulations},
+        Volume = {17},
+        Year = {2001}}
 
 @article{AaHeHa2001,
-	Author = {Brad T. Aagaard and Thomas H. Heaton and John F. Hall},
-	Journal = bssa,
-	Number = {6},
-	Pages = {1765--1796},
-	Title = {Dynamic earthquake ruptures in the presence of lithostatic normal stresses: implications for Friction Models and Heat Production},
-	Volume = {91},
-	Year = {2001}}
+        Author = {Brad T. Aagaard and Thomas H. Heaton and John F. Hall},
+        Journal = bssa,
+        Number = {6},
+        Pages = {1765--1796},
+        Title = {Dynamic earthquake ruptures in the presence of lithostatic normal stresses: implications for Friction Models and Heat Production},
+        Volume = {91},
+        Year = {2001}}
 
 @article{AbGo98,
-	Author = {S. Abarbanel and D. Gottlieb},
-	Journal = {Applied Numerical Mathematics},
-	Pages = {331--340},
-	Title = {On the construction of absorbing layers in {CEM}},
-	Volume = {27},
-	Year = {1998}}
+        Author = {S. Abarbanel and D. Gottlieb},
+        Journal = {Applied Numerical Mathematics},
+        Pages = {331--340},
+        Title = {On the construction of absorbing layers in {CEM}},
+        Volume = {27},
+        Year = {1998}}
 
 @article{AbGoHe02,
-	Author = {S. Abarbanel and D. Gottlieb and J. S. Hesthaven},
-	Doi = {10.1023/A:1015141823608},
-	Journal = {Journal of Scientific Computing},
-	Number = {1-4},
-	Pages = {405--422},
-	Title = {Long time behavior of the perfectly matched layer equations in computational electromagnetics},
-	Volume = {17},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1023/A:1015141823608}}
+        Author = {S. Abarbanel and D. Gottlieb and J. S. Hesthaven},
+        Doi = {10.1023/A:1015141823608},
+        Journal = {Journal of Scientific Computing},
+        Number = {1-4},
+        Pages = {405--422},
+        Title = {Long time behavior of the perfectly matched layer equations in computational electromagnetics},
+        Volume = {17},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1023/A:1015141823608}}
 
 @article{AbGoHe99,
-	Author = {S. Abarbanel and D. Gottlieb and J. S. Hesthaven},
-	Doi = {10.1006/jcph.1999.6313},
-	Journal = jcp,
-	Number = {2},
-	Pages = {266--283},
-	Title = {Well-posed Perfectly Matched Layers for Advective Acoustics},
-	Volume = {154},
-	Year = {1999},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1006/jcph.1999.6313}}
+        Author = {S. Abarbanel and D. Gottlieb and J. S. Hesthaven},
+        Doi = {10.1006/jcph.1999.6313},
+        Journal = jcp,
+        Number = {2},
+        Pages = {266--283},
+        Title = {Well-posed Perfectly Matched Layers for Advective Acoustics},
+        Volume = {154},
+        Year = {1999},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1006/jcph.1999.6313}}
 
 @mastersthesis{Abd07,
-	Author = {Rached Abdelkhalek},
-	School = {ENSEIRB, Bordeaux, France},
-	Title = {{\'E}valuation des acc\'el\'erateurs de calcul {GPGPU} pour la mod\'elisation sismique},
-	Year = {2007}}
+        Author = {Rached Abdelkhalek},
+        School = {ENSEIRB, Bordeaux, France},
+        Title = {{\'E}valuation des acc\'el\'erateurs de calcul {GPGPU} pour la mod\'elisation sismique},
+        Year = {2007}}
 
 @conference{AbCaCoRoLa09,
-	Address = {Leipzig, Germany},
-	Author = {Abdelkhalek, Rached and Calandra, Henri and Coulaud, Olivier and Roman, Jean and Latu, Guillaume},
-	Booktitle = {High Performance Computing \& Simulation 2009},
-	Editor = {Waleed W. Smari and John P. McIntire},
-	Month = jun,
-	Note = {http://hal.inria.fr/docs/00/40/39/33/PDF/hpcs.pdf},
-	Pages = {36--44},
-	Title = {Fast Seismic Modeling and Reverse Time Migration on a {GPU} Cluster},
-	Year = {2009}}
+        Address = {Leipzig, Germany},
+        Author = {Abdelkhalek, Rached and Calandra, Henri and Coulaud, Olivier and Roman, Jean and Latu, Guillaume},
+        Booktitle = {High Performance Computing \& Simulation 2009},
+        Editor = {Waleed W. Smari and John P. McIntire},
+        Month = jun,
+        Note = {http://hal.inria.fr/docs/00/40/39/33/PDF/hpcs.pdf},
+        Pages = {36--44},
+        Title = {Fast Seismic Modeling and Reverse Time Migration on a {GPU} Cluster},
+        Year = {2009}}
 
 @article{AbMaSoCa08,
-	Author = {A. I. Abreu and W. J. Mansur and D. {Soares Jr.} and J. A. M. Carrer},
-	Journal = cmes,
-	Number = {3},
-	Pages = {123--132},
-	Title = {Numerical Computation of Space Derivatives by the Complex-Variable-Differentiation Method in the Convolution Quadrature-Method-Based {BEM} Formulation},
-	Volume = {30},
-	Year = {2008}}
+        Author = {A. I. Abreu and W. J. Mansur and D. {Soares Jr.} and J. A. M. Carrer},
+        Journal = cmes,
+        Number = {3},
+        Pages = {123--132},
+        Title = {Numerical Computation of Space Derivatives by the Complex-Variable-Differentiation Method in the Convolution Quadrature-Method-Based {BEM} Formulation},
+        Volume = {30},
+        Year = {2008}}
 
 @book{Ach73,
-	Address = {Amsterdam, The Netherlands},
-	Author = {J. D. Achenbach},
-	Publisher = {North-Holland},
-	Title = {Wave Propagation in Elastic Solids},
-	Year = {1973}}
+        Address = {Amsterdam, The Netherlands},
+        Author = {J. D. Achenbach},
+        Publisher = {North-Holland},
+        Title = {Wave Propagation in Elastic Solids},
+        Year = {1973}}
 
 @article{AcKo11,
-	Author = {Acosta Minolia, Cesar A. and David A. Kopriva},
-	Doi = {10.1016/j.jcp.2010.11.038},
-	Journal = jcp,
-	Number = {5},
-	Pages = {1876--1902},
-	Title = {Discontinuous {G}alerkin spectral element approximations on moving meshes},
-	Volume = {230},
-	Year = {2011},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2010.11.038}}
+        Author = {Acosta Minolia, Cesar A. and David A. Kopriva},
+        Doi = {10.1016/j.jcp.2010.11.038},
+        Journal = jcp,
+        Number = {5},
+        Pages = {1876--1902},
+        Title = {Discontinuous {G}alerkin spectral element approximations on moving meshes},
+        Volume = {230},
+        Year = {2011},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2010.11.038}}
 
 @inproceedings{AdPaBo07,
-	Address = {Pittsburgh, Pennsylvania, USA},
-	Author = {S. Adams and J. Payne and R. Boppana},
-	Booktitle = {Proceedings of the Department of Defense High Performance Computing Modernization Program Users Group Conference},
-	Doi = {10.1109/HPCMP-UGC.2007.34},
-	Pages = {334--338},
-	Publisher = {IEEE Computer Society, Washington, DC, USA},
-	Title = {Finite Difference Time Domain ({FDTD}) Simulations Using Graphics Processors},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/HPCMP-UGC.2007.34}}
+        Address = {Pittsburgh, Pennsylvania, USA},
+        Author = {S. Adams and J. Payne and R. Boppana},
+        Booktitle = {Proceedings of the Department of Defense High Performance Computing Modernization Program Users Group Conference},
+        Doi = {10.1109/HPCMP-UGC.2007.34},
+        Pages = {334--338},
+        Publisher = {IEEE Computer Society, Washington, DC, USA},
+        Title = {Finite Difference Time Domain ({FDTD}) Simulations Using Graphics Processors},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/HPCMP-UGC.2007.34}}
 
 @article{AgDeDoHaKuLaLtLuTo09,
-	Author = {Emmanuel Agullo and Jim Demmel and Jack Dongarra and Bilel Hadri and Jakub Kurzak and Julien Langou and Hatem Ltaief and Piotr Luszczek and Stanimire Tomov},
-	Doi = {10.1088/1742-6596/180/1/012037},
-	Journal = {Journal of Physics: Conference Series},
-	Pages = {012037},
-	Title = {Numerical linear algebra on emerging architectures: The {PLASMA} and {MAGMA} projects},
-	Volume = {180},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1088/1742-6596/180/1/012037}}
+        Author = {Emmanuel Agullo and Jim Demmel and Jack Dongarra and Bilel Hadri and Jakub Kurzak and Julien Langou and Hatem Ltaief and Piotr Luszczek and Stanimire Tomov},
+        Doi = {10.1088/1742-6596/180/1/012037},
+        Journal = {Journal of Physics: Conference Series},
+        Pages = {012037},
+        Title = {Numerical linear algebra on emerging architectures: The {PLASMA} and {MAGMA} projects},
+        Volume = {180},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1088/1742-6596/180/1/012037}}
 
 @article{AiMoMu06,
-	Author = {Ainsworth, M. and Monk, P. and Muniz, W.},
-	Doi = {10.1007/s10915-005-9044-x},
-	Journal = {Journal of Scientific Computing},
-	Number = {1},
-	Pages = {5--40},
-	Title = {Dispersive and Dissipative Properties of Discontinuous {G}alerkin Finite Element Methods for the Second-Order Wave Equation},
-	Volume = {27},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1007/s10915-005-9044-x}}
+        Author = {Ainsworth, M. and Monk, P. and Muniz, W.},
+        Doi = {10.1007/s10915-005-9044-x},
+        Journal = {Journal of Scientific Computing},
+        Number = {1},
+        Pages = {5--40},
+        Title = {Dispersive and Dissipative Properties of Discontinuous {G}alerkin Finite Element Methods for the Second-Order Wave Equation},
+        Volume = {27},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/s10915-005-9044-x}}
 
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-	Publisher = {American Society of Civil Engineering},
-	Series = {Geothechnical Special Publication},
-	Title = {Local site effects on strong ground motion},
-	Volume = {20},
-	Year = {1988}}
+        Address = {New York, USA},
+        Author = {K. Aki},
+        Booktitle = {Earthquake Engineering and Soil Dynamics II- Recent advances in ground motion evaluation},
+        Editor = {J. L. Von Thun},
+        Pages = {103--155},
+        Publisher = {American Society of Civil Engineering},
+        Series = {Geothechnical Special Publication},
+        Title = {Local site effects on strong ground motion},
+        Volume = {20},
+        Year = {1988}}
 
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-	Title = {Surface motion of a layered medium having an irregular interface, due to incident plane {{\it SH}} waves},
-	Volume = {75},
-	Year = {1970}}
+        Author = {K. Aki and K. L. Larner},
+        Journal = jgr,
+        Pages = {933--954},
+        Title = {Surface motion of a layered medium having an irregular interface, due to incident plane {{\it SH}} waves},
+        Volume = {75},
+        Year = {1970}}
 
 @book{AkRi80,
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-	Author = {K. Aki and P. G. Richards},
-	Publisher = {W. H. Freeman},
-	Title = {Quantitative seismology, theory and methods},
-	Year = {1980}}
+        Address = {San Francisco, USA},
+        Author = {K. Aki and P. G. Richards},
+        Publisher = {W. H. Freeman},
+        Title = {Quantitative seismology, theory and methods},
+        Year = {1980}}
 
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-	Volume = {175},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2008.03961.x}}
+        Author = {David Al-Attar and John H. Woodhouse},
+        Doi = {10.1111/j.1365-246X.2008.03961.x},
+        Journal = gji,
+        Number = {3},
+        Pages = {1176--1208},
+        Title = {Calculation of seismic displacement fields in self-gravitating earth models: applications of minors vectors and symplectic structure},
+        Volume = {175},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2008.03961.x}}
 
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-	Year = {1998}}
+        Author = {C. M. Alex and K. B. Olsen},
+        Journal = grl,
+        Pages = {3441-3444},
+        Title = {Lens effect in {S}anta {M}onica?},
+        Volume = {25},
+        Year = {1998}}
 
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+        Author = {F. Alexandre and D. Zerguine and P. Launay and J. L. Benchimol and M. Berz and B. Sermage and D. Komatitsch and M. Juhel},
+        Doi = {10.1016/0022-0248(94)90416-2},
+        Journal = {J. Crystal Growth},
+        Number = {1-4},
+        Pages = {235--240},
+        Title = {Quasi-planar {G}allium {A}rsenide heterojunction bipolar transistor device entirely grown by {C}hemical {B}eam {E}pitaxy},
+        Volume = {136},
+        Year = {1994},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/0022-0248(94)90416-2}}
 
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-	Volume = {39},
-	Year = {1974}}
+        Author = {R. Alford and K. Kelly and D. Boore},
+        Journal = geophysics,
+        Pages = {834--842},
+        Title = {Accuracy of finite difference modeling of the acoustic wave equation},
+        Volume = {39},
+        Year = {1974}}
 
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-	Year = {2004}}
+        Author = {V. I. Alshits and J. Lothe},
+        Journal = {Wave Motion},
+        Pages = {297--313},
+        Title = {Some basic properties of bulk elastic waves in anisotropic media},
+        Volume = {40},
+        Year = {2004}}
 
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-	Volume = {3},
-	Year = {1981}}
+        Author = {V. I. Alshits and J. Lothe},
+        Journal = {Wave Motion},
+        Pages = {297--310},
+        Title = {Comments on the relation between surface wave theory and the theory of reflection},
+        Volume = {3},
+        Year = {1981}}
 
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-	Volume = {24},
-	Year = {1979}}
+        Author = {V. I. Alshits and J. Lothe},
+        Journal = {Soviet Physics Crystallography},
+        Pages = {387--392},
+        Title = {Elastic waves in triclinic crystals: ({I}) {G}eneral theory and the degeneracy problem},
+        Volume = {24},
+        Year = {1979}}
 
 @article{AlsLot79b,
-	Author = {V. I. Alshits and J. Lothe},
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-	Pages = {393--398},
-	Title = {Elastic waves in triclinic crystals: ({II}) {T}opology of polarization fields and some general theorems},
-	Volume = {24},
-	Year = {1979}}
+        Author = {V. I. Alshits and J. Lothe},
+        Journal = {Soviet Physics Crystallography},
+        Pages = {393--398},
+        Title = {Elastic waves in triclinic crystals: ({II}) {T}opology of polarization fields and some general theorems},
+        Volume = {24},
+        Year = {1979}}
 
 @article{AlsLot79c,
-	Author = {V. I. Alshits and J. Lothe},
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-	Title = {Elastic waves in triclinic crystals: ({III}) {T}he problem of existence and some general properties of exceptional surface waves},
-	Volume = {24},
-	Year = {1979}}
+        Author = {V. I. Alshits and J. Lothe},
+        Journal = {Soviet Physics Crystallography},
+        Pages = {644--648},
+        Title = {Elastic waves in triclinic crystals: ({III}) {T}he problem of existence and some general properties of exceptional surface waves},
+        Volume = {24},
+        Year = {1979}}
 
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-	Volume = {23},
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+        Author = {V. I. Alshits and J. Lothe},
+        Journal = {Soviet Physics Crystallography},
+        Pages = {509--515},
+        Title = {Surface waves in hexagonal crystals},
+        Volume = {23},
+        Year = {1978}}
 
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-	Volume = {28},
-	Year = {1983}}
+        Author = {V. I. Alshits and V. N. Lyubimov},
+        Journal = {Soviet Physics of Crystallograpy},
+        Number = {2},
+        Pages = {130--135},
+        Title = {Leaky elastic waves in hexagonal crystals},
+        Volume = {28},
+        Year = {1983}}
 
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-	Year = {1985}}
+        Author = {V. I. Alshits and V. N. Lyubimov and N. F. Naumenko and N. V. Perelomova and A. L. Shuvalov},
+        Journal = {Soviet Physics Crystallography},
+        Pages = {123--126},
+        Title = {Exceptional elastic body waves in crystals of various symmetries},
+        Volume = {30},
+        Year = {1985}}
 
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+        Author = {Z. Alterman and F. C. Karal},
+        Journal = bssa,
+        Pages = {367--398},
+        Title = {Propagation of elastic waves in layered media by finite difference methods},
+        Volume = {58},
+        Year = {1968}}
 
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+        Author = {M. Amara and R. Djellouli and C. Farhat},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Note = {Submitted},
+        Title = {Convergence analysis of a discontinuous {G}alerkin method with plane waves and {L}agrange multipliers for the solution of {H}elmholtz problems},
+        Year = {2006}}
 
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+        Author = {K. Amaratunga and J. R. Williams},
+        Journal = ijnme,
+        Pages = {999998-999999},
+        Title = {Wavelet-{G}alerkin solutions for one-dimensional partial differential equations},
+        Volume = {37},
+        Year = {1994}}
 
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+        Author = {P. R. Amestoy and I. S. Duff and J. Koster and J.-Y. L'Excellent},
+        Journal = {SIAM Journal on Matrix Analysis and Applications},
+        Number = {1},
+        Pages = {15--41},
+        Title = {A Fully Asynchronous Multifrontal Solver Using Distributed Dynamic Scheduling},
+        Volume = {23},
+        Year = {2001}}
 
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+        Author = {C. J. Ammon and C. Ji and H. K. Thio and D. Robinson and S. D. Ni and V. Hjorleifsdottir and H. Kanamori and T. Lay and S. Das and D. Helmberger and G. Ichinose and J. Polet and D. Wald},
+        Journal = {Science},
+        Number = {5725},
+        Pages = {1133-1139},
+        Title = {Rupture process of the 2004 {S}umatra-{A}ndaman earthquake},
+        Volume = {3},
+        Year = {2005}}
 
 @phdthesis{Amp02,
-	Address = {Paris, France},
-	Author = {Jean-Paul Ampuero},
-	School = {Institut de Physique du Globe},
-	Title = {\'Etude physique et num\'erique de la nucl\'eation des s\'eismes ({A} physical and numerical study of earthquake nucleation)},
-	Year = {2002}}
+        Address = {Paris, France},
+        Author = {Jean-Paul Ampuero},
+        School = {Institut de Physique du Globe},
+        Title = {\'Etude physique et num\'erique de la nucl\'eation des s\'eismes ({A} physical and numerical study of earthquake nucleation)},
+        Year = {2002}}
 
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-	Volume = {45},
-	Year = {1987}}
+        Author = {D. L. Anderson},
+        Journal = pepi,
+        Pages = {307-323},
+        Title = {A seismic equation of state, {P}art~{II}: {S}hear properties and thermodynamics of the lower mantle},
+        Volume = {45},
+        Year = {1987}}
 
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-	Volume = {227},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2008.01.047}}
+        Author = {Joshua A. Anderson and Chris D. Lorenz and Alex Travesset},
+        Doi = {10.1016/j.jcp.2008.01.047},
+        Journal = jcp,
+        Month = may,
+        Number = {10},
+        Pages = {5342--5359},
+        Title = {General purpose molecular dynamics simulations fully implemented on graphics processing units},
+        Volume = {227},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2008.01.047}}
 
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+        Author = {J. G. Anderson and Y. Lee and Y. Zeng and S. M. Day},
+        Journal = bssa,
+        Pages = {1749-1759},
+        Title = {Control of strong motion by the upper 30~meters},
+        Volume = {86},
+        Year = {1996}}
 
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-	Volume = {39},
-	Year = {2005}}
+        Author = {X. Antoine and H. Barucq},
+        Journal = {Math. Model. Numer. Anal.},
+        Number = {5},
+        Pages = {1041-1059},
+        Title = {Approximation by generalized impedance boundary conditions of a transmission problem in acoustic scattering},
+        Volume = {39},
+        Year = {2005}}
 
 @inproceedings{AnBa104,
-	Author = {X. Antoine and H. Barucq},
-	Booktitle = {Methods in Science and Engineering},
-	Pages = {133-140},
-	Series = {Lecture Notes in computational science and engineering},
-	Title = {On the construction of approximate boundary conditions for solving the interior problem of the acoustic scattering transmission problem},
-	Volume = {40},
-	Year = {2004}}
+        Author = {X. Antoine and H. Barucq},
+        Booktitle = {Methods in Science and Engineering},
+        Pages = {133-140},
+        Series = {Lecture Notes in computational science and engineering},
+        Title = {On the construction of approximate boundary conditions for solving the interior problem of the acoustic scattering transmission problem},
+        Volume = {40},
+        Year = {2004}}
 
 @article{AnBa01,
-	Author = {X. Antoine and H. Barucq},
-	Journal = {SIAM J. Appl. Math.},
-	Pages = {1877-1905},
-	Title = {Microlocal diagonalization of strictly hyperbolic pseudodifferential systems and application to the design of radiation conditions in electromagnetism},
-	Volume = {6},
-	Year = {2001}}
+        Author = {X. Antoine and H. Barucq},
+        Journal = {SIAM J. Appl. Math.},
+        Pages = {1877-1905},
+        Title = {Microlocal diagonalization of strictly hyperbolic pseudodifferential systems and application to the design of radiation conditions in electromagnetism},
+        Volume = {6},
+        Year = {2001}}
 
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-	Pages = {184-211},
-	Title = {Bayliss-{T}urkel-like radiation conditions on surfaces of arbitrary shape},
-	Volume = {229},
-	Year = {1999}}
+        Author = {X. Antoine and H. Barucq and A. Bendali},
+        Journal = {J. Math. Anal. Appl.},
+        Pages = {184-211},
+        Title = {Bayliss-{T}urkel-like radiation conditions on surfaces of arbitrary shape},
+        Volume = {229},
+        Year = {1999}}
 
 @article{AnBaVe01,
-	Author = {X. Antoine and H. Barucq and L. Vernhet},
-	Journal = {Asymptotic Analysis},
-	Number = {4},
-	Pages = {257-284},
-	Title = {High-frequency asymptotic analysis of a dissipative transmission problem resulting in generalized impedance boundary conditions},
-	Volume = {3},
-	Year = {2001}}
+        Author = {X. Antoine and H. Barucq and L. Vernhet},
+        Journal = {Asymptotic Analysis},
+        Number = {4},
+        Pages = {257-284},
+        Title = {High-frequency asymptotic analysis of a dissipative transmission problem resulting in generalized impedance boundary conditions},
+        Volume = {3},
+        Year = {2001}}
 
 @article{AnBeDa04,
-	Author = {X. Antoine and A. Bendali and M. Darbas},
-	Journal = jca,
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-	Pages = {477-498},
-	Title = {Analytic Preconditioners for the boundary integral solution of the scattering of acoustic waves by open surfaces},
-	Volume = {13},
-	Year = {2005}}
+        Author = {X. Antoine and A. Bendali and M. Darbas},
+        Journal = jca,
+        Number = {3},
+        Pages = {477-498},
+        Title = {Analytic Preconditioners for the boundary integral solution of the scattering of acoustic waves by open surfaces},
+        Volume = {13},
+        Year = {2005}}
 
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+        Author = {M. Antolik and S. Larsen and D. Dreger and B. Romanowicz},
+        Journal = {Seis. Res. Lett.},
+        Pages = {30},
+        Title = {Modeling broadband waveforms in central {C}alifornia using finite differences},
+        Volume = {67},
+        Year = {1996}}
 
 @article{antonionietal2002,
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+        Author = {A. Antonioli and M. Cocco and S. Das and C. Henry},
+        Journal = bssa,
+        Pages = {896-903},
+        Title = {Dynamic stress triggering during the great 25~{M}arch 1998 {A}ntarctic {P}late earthquake},
+        Volume = {92},
+        Year = {2002}}
 
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+        Author = {H. Aochi and J. Douglas},
+        Doi = {10.1007/s10518-006-0001-3},
+        Journal = {Bull. Earthq. Eng.},
+        Number = {3},
+        Pages = {211-229},
+        Title = {Testing the validity of simulated strong ground motion from the dynamic rupture of a finite fault by using empirical equations},
+        Volume = {4},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/s10518-006-0001-3}}
 
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-	Volume = {215},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2005.11.006}}
+        Author = {Daniel Appel\"o and Gunilla Kreiss},
+        Doi = {10.1016/j.jcp.2005.11.006},
+        Journal = jcp,
+        Number = {2},
+        Pages = {642-660},
+        Title = {A new absorbing layer for elastic waves},
+        Volume = {215},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2005.11.006}}
 
 @phdthesis{da,
-	Address = {Pau, France},
-	Author = {D. Apprato},
-	Note = {Th\`ese d'Etat, 142 p.},
-	School = {Universit\'e de Pau et des Pays de l'Adour},
-	Title = {Approximation de surfaces param\'etr\'ees par \'el\'ements finis},
-	Year = {1987}}
+        Address = {Pau, France},
+        Author = {D. Apprato},
+        Note = {Th\`ese d'Etat, 142 p.},
+        School = {Universit\'e de Pau et des Pays de l'Adour},
+        Title = {Approximation de surfaces param\'etr\'ees par \'el\'ements finis},
+        Year = {1987}}
 
 @article{GoKo02,
-	Author = {D. Apprato and C. Gout and D. Komatitsch},
-	Doi = {10.1023/A:1020976611029},
-	Journal = {Math. Geol.},
-	Number = {7},
-	Pages = {831-843},
-	Title = {A new method for {{$C^k$-}}surface approximation from a set of curves, with application to ship track data in the {M}arianas trench},
-	Volume = {34},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1023/A:1020976611029}}
+        Author = {D. Apprato and C. Gout and D. Komatitsch},
+        Doi = {10.1023/A:1020976611029},
+        Journal = {Math. Geol.},
+        Number = {7},
+        Pages = {831-843},
+        Title = {A new method for {{$C^k$-}}surface approximation from a set of curves, with application to ship track data in the {M}arianas trench},
+        Volume = {34},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1023/A:1020976611029}}
 
 @article{ApLu83,
-	Author = {R. J. Apsel and J. E. Luco},
-	Journal = bssa,
-	Pages = {931-951},
-	Title = {On the {G}reen's functions for a layered half-space},
-	Volume = {73},
-	Year = {1983}}
+        Author = {R. J. Apsel and J. E. Luco},
+        Journal = bssa,
+        Pages = {931-951},
+        Title = {On the {G}reen's functions for a layered half-space},
+        Volume = {73},
+        Year = {1983}}
 
 @incollection{ra1,
-	Author = {R. Arcang\'eli},
-	Booktitle = {Mathematical Methods in Computer Aided Geometric Design},
-	Editor = {T. Lyche and L. L. Schumaker},
-	Pages = {35-44},
-	Publisher = {Academic Press, New York, USA},
-	Title = {Some Applications of Discrete {$D^m$}-splines},
-	Year = {1989}}
+        Author = {R. Arcang\'eli},
+        Booktitle = {Mathematical Methods in Computer Aided Geometric Design},
+        Editor = {T. Lyche and L. L. Schumaker},
+        Pages = {35-44},
+        Publisher = {Academic Press, New York, USA},
+        Title = {Some Applications of Discrete {$D^m$}-splines},
+        Year = {1989}}
 
 @techreport{ra,
-	Address = {Pau, France},
-	Author = {R. Arcang\'eli},
-	Institution = {UA 1204 CNRS, Universit\'e de Pau et des Pays de l'Adour},
-	Note = {47 p.},
-	Number = {1986/2},
-	Title = {{$D^m$}-splines sur un domaine born\'e de {$R$}},
-	Year = {1986}}
+        Address = {Pau, France},
+        Author = {R. Arcang\'eli},
+        Institution = {UA 1204 CNRS, Universit\'e de Pau et des Pays de l'Adour},
+        Note = {47 p.},
+        Number = {1986/2},
+        Title = {{$D^m$}-splines sur un domaine born\'e de {$R$}},
+        Year = {1986}}
 
 @article{Arn82,
-	Author = {Douglas N. Arnold},
-	Doi = {10.1137/0719052},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Number = {4},
-	Pages = {742-760},
-	Title = {An Interior Penalty Finite Element Method with Discontinuous Elements},
-	Volume = {19},
-	Year = {1982},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1137/0719052}}
+        Author = {Douglas N. Arnold},
+        Doi = {10.1137/0719052},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Number = {4},
+        Pages = {742-760},
+        Title = {An Interior Penalty Finite Element Method with Discontinuous Elements},
+        Volume = {19},
+        Year = {1982},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1137/0719052}}
 
 @book{AtPr90,
-	Address = {Toulouse},
-	Author = {Marc Atteia and Michel Pradel},
-	Publisher = {C\'epadues \'Editions},
-	Title = {\'El\'ements d'analyse num\'erique},
-	Year = {1990}}
+        Address = {Toulouse},
+        Author = {Marc Atteia and Michel Pradel},
+        Publisher = {C\'epadues \'Editions},
+        Title = {\'El\'ements d'analyse num\'erique},
+        Year = {1990}}
 
 @incollection{AuChMoMo85,
-	Author = {D. Aubry and D. Chouvet and H. Modaressi and P. Mouroux},
-	Booktitle = {Numerical methods in geomechanics},
-	Editor = {T. Kawamoto and Y. Ichikawa},
-	Pages = {421-428},
-	Publisher = {Balkema},
-	Title = {Local amplification of a seismic incident field through an elastoplastic sedimentary valley},
-	Year = {1985}}
+        Author = {D. Aubry and D. Chouvet and H. Modaressi and P. Mouroux},
+        Booktitle = {Numerical methods in geomechanics},
+        Editor = {T. Kawamoto and Y. Ichikawa},
+        Pages = {421-428},
+        Publisher = {Balkema},
+        Title = {Local amplification of a seismic incident field through an elastoplastic sedimentary valley},
+        Year = {1985}}
 
 @inproceedings{AuThNaWa09Europar,
-	Address = {Delft, The Netherlands},
-	Author = {C{\'e}dric Augonnet and Samuel Thibault and Raymond Namyst and Pierre-Andr{\'e} Wacrenier},
-	Booktitle = {Proceedings of the 15th EuroPar Conference},
-	Doi = {10.1007/978-3-642-03869-3\_80},
-	Month = aug,
-	Pages = {863-874},
-	Publisher = {Springer},
-	Series = {Lecture Notes in Computer Science},
-	Title = {{StarPU}: {A} Unified Platform for Task Scheduling on Heterogeneous Multicore Architectures},
-	Url = {http://hal.inria.fr/inria-00384363},
-	Volume = {5704},
-	Year = {2009},
-	Bdsk-Url-1 = {http://hal.inria.fr/inria-00384363},
-	Bdsk-Url-2 = {http://dx.doi.org/10.1007/978-3-642-03869-3%5C_80}}
+        Address = {Delft, The Netherlands},
+        Author = {C{\'e}dric Augonnet and Samuel Thibault and Raymond Namyst and Pierre-Andr{\'e} Wacrenier},
+        Booktitle = {Proceedings of the 15th EuroPar Conference},
+        Doi = {10.1007/978-3-642-03869-3\_80},
+        Month = aug,
+        Pages = {863-874},
+        Publisher = {Springer},
+        Series = {Lecture Notes in Computer Science},
+        Title = {{StarPU}: {A} Unified Platform for Task Scheduling on Heterogeneous Multicore Architectures},
+        Url = {http://hal.inria.fr/inria-00384363},
+        Volume = {5704},
+        Year = {2009},
+        Bdsk-Url-1 = {http://hal.inria.fr/inria-00384363},
+        Bdsk-Url-2 = {http://dx.doi.org/10.1007/978-3-642-03869-3%5C_80}}
 
 @book{Aul90,
-	Author = {B. A. Auld},
-	Edition = {2nd},
-	Publisher = {Krieger Publishing},
-	Title = {Acoustic fields and waves in solids},
-	Volume = {1},
-	Year = {1990}}
+        Author = {B. A. Auld},
+        Edition = {2nd},
+        Publisher = {Krieger Publishing},
+        Title = {Acoustic fields and waves in solids},
+        Volume = {1},
+        Year = {1990}}
 
 @article{Aus93,
-	Author = {P. Auscher},
-	Journal = {J. Funct. Anal.},
-	Pages = {9999998-9999999},
-	Title = {Ondelettes \`a support compact et conditions aux limites},
-	Volume = {111},
-	Year = {1993}}
+        Author = {P. Auscher},
+        Journal = {J. Funct. Anal.},
+        Pages = {9999998-9999999},
+        Title = {Ondelettes \`a support compact et conditions aux limites},
+        Volume = {111},
+        Year = {1993}}
 
 @article{AuzaZiol,
-	Author = {F. Auzanneau and R. W. Ziolkowski},
-	Journal = {J. Phys. III},
-	Pages = {2405-2418},
-	Title = {{{\'E}}tude th\'eorique de mat\'eriaux bianisotropes synth\'etiques contr\^olables},
-	Volume = {7},
-	Year = {1997}}
+        Author = {F. Auzanneau and R. W. Ziolkowski},
+        Journal = {J. Phys. III},
+        Pages = {2405-2418},
+        Title = {{{\'E}}tude th\'eorique de mat\'eriaux bianisotropes synth\'etiques contr\^olables},
+        Volume = {7},
+        Year = {1997}}
 
 @techreport{AzDaMa94,
-	Address = {Universit\'e de Rennes, France},
-	Author = {Mejdi Azaiez and Monique Dauge and Yvon Maday},
-	Institution = {Institut de Recherche Math\'ematique de Rennes},
-	Title = {M\'ethodes spectrales et des \'el\'ements spectraux},
-	Year = {1994}}
+        Address = {Universit\'e de Rennes, France},
+        Author = {Mejdi Azaiez and Monique Dauge and Yvon Maday},
+        Institution = {Institut de Recherche Math\'ematique de Rennes},
+        Title = {M\'ethodes spectrales et des \'el\'ements spectraux},
+        Year = {1994}}
 
 @article{BaBiPr98,
-	Author = {I. B\'ardi and O. B\'{\i}r\'o and K. Preis},
-	Journal = {IEEE transactions on Magnetics},
-	Number = {5},
-	Pages = {2433-2436},
-	Title = {{P}erfectly {M}atched {L}ayers in static fields},
-	Volume = {34},
-	Year = {1998}}
+        Author = {I. B\'ardi and O. B\'{\i}r\'o and K. Preis},
+        Journal = {IEEE transactions on Magnetics},
+        Number = {5},
+        Pages = {2433-2436},
+        Title = {{P}erfectly {M}atched {L}ayers in static fields},
+        Volume = {34},
+        Year = {1998}}
 
 @article{BeFaJo03,
-	Author = {E. B\'ecache and S. Fauqueux and P. Joly},
-	Journal = jcp,
-	Number = {2},
-	Pages = {399-433},
-	Title = {Stability of {P}erfectly {M}atched {L}ayers, group velocities and anisotropic waves},
-	Volume = {188},
-	Year = {2003}}
+        Author = {E. B\'ecache and S. Fauqueux and P. Joly},
+        Journal = jcp,
+        Number = {2},
+        Pages = {399-433},
+        Title = {Stability of {P}erfectly {M}atched {L}ayers, group velocities and anisotropic waves},
+        Volume = {188},
+        Year = {2003}}
 
 @article{BeJo02,
-	Author = {E. B\'ecache and P. Joly},
-	Journal = {Mathematical Modelling and Numerical Analysis},
-	Number = {1},
-	Pages = {87-120},
-	Title = {On the analysis of {B}\'erenger's perfectly matched layers for {M}axwell's equations},
-	Volume = {36},
-	Year = {2002}}
+        Author = {E. B\'ecache and P. Joly},
+        Journal = {Mathematical Modelling and Numerical Analysis},
+        Number = {1},
+        Pages = {87-120},
+        Title = {On the analysis of {B}\'erenger's perfectly matched layers for {M}axwell's equations},
+        Volume = {36},
+        Year = {2002}}
 
 @article{BeJoTs2001,
-	Author = {E. B\'ecache and P. Joly and C. Tsogka},
-	Journal = jca,
-	Number = {3},
-	Pages = {1175-1203},
-	Title = {Fictitious Domains, Mixed Finite Elements and {P}erfectly {M}atched {L}ayers for {2-D} Elastic Wave Propagation},
-	Volume = {9},
-	Year = {2001}}
+        Author = {E. B\'ecache and P. Joly and C. Tsogka},
+        Journal = jca,
+        Number = {3},
+        Pages = {1175-1203},
+        Title = {Fictitious Domains, Mixed Finite Elements and {P}erfectly {M}atched {L}ayers for {2-D} Elastic Wave Propagation},
+        Volume = {9},
+        Year = {2001}}
 
 @article{BePeGe04,
-	Author = {E. B\'ecache and P. G. Petropoulos and S. G. Gedney},
-	Doi = {10.1109/TAP.2004.827253},
-	Journal = {IEEE Transactions on Antennas and Propagation},
-	Number = {5},
-	Pages = {1335-1342},
-	Title = {On the Long-Time Behavior of Unsplit Perfectly Matched Layers},
-	Volume = {52},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/TAP.2004.827253}}
+        Author = {E. B\'ecache and P. G. Petropoulos and S. G. Gedney},
+        Doi = {10.1109/TAP.2004.827253},
+        Journal = {IEEE Transactions on Antennas and Propagation},
+        Number = {5},
+        Pages = {1335-1342},
+        Title = {On the Long-Time Behavior of Unsplit Perfectly Matched Layers},
+        Volume = {52},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/TAP.2004.827253}}
 
 @article{Ber02a,
-	Author = {J. P. B\'erenger},
-	Doi = {10.1109/LMWC.2002.1010000},
-	Journal = {IEEE Microwave and Wireless Components Letters},
-	Number = {6},
-	Pages = {218-220},
-	Title = {Application of the {CFS} {PML} to the absorption of evanescent waves in waveguides},
-	Volume = {12},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/LMWC.2002.1010000}}
+        Author = {J. P. B\'erenger},
+        Doi = {10.1109/LMWC.2002.1010000},
+        Journal = {IEEE Microwave and Wireless Components Letters},
+        Number = {6},
+        Pages = {218-220},
+        Title = {Application of the {CFS} {PML} to the absorption of evanescent waves in waveguides},
+        Volume = {12},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/LMWC.2002.1010000}}
 
 @article{Ber02b,
-	Author = {J. P. B\'erenger},
-	Doi = {10.1109/8.999615},
-	Journal = {IEEE Transactions on Antennas and Propagation},
-	Number = {3},
-	Pages = {258-265},
-	Title = {Numerical reflection from {FDTD-PML}s: A comparison of the split {PML} with the unsplit and {CFS PML}s},
-	Volume = {50},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/8.999615}}
+        Author = {J. P. B\'erenger},
+        Doi = {10.1109/8.999615},
+        Journal = {IEEE Transactions on Antennas and Propagation},
+        Number = {3},
+        Pages = {258-265},
+        Title = {Numerical reflection from {FDTD-PML}s: A comparison of the split {PML} with the unsplit and {CFS PML}s},
+        Volume = {50},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/8.999615}}
 
 @article{Ber96,
-	Author = {J. P. B\'erenger},
-	Journal = jcp,
-	Pages = {363-379},
-	Title = {Three-dimensional {P}erfectly {M}atched {L}ayer for the absorption of electromagnetic waves},
-	Volume = {127},
-	Year = {1996}}
+        Author = {J. P. B\'erenger},
+        Journal = jcp,
+        Pages = {363-379},
+        Title = {Three-dimensional {P}erfectly {M}atched {L}ayer for the absorption of electromagnetic waves},
+        Volume = {127},
+        Year = {1996}}
 
 @article{Ber94,
-	Author = {J. P. B\'erenger},
-	Journal = jcp,
-	Pages = {185-200},
-	Title = {A {P}erfectly {M}atched {L}ayer for the absorption of electromagnetic waves},
-	Volume = {114},
-	Year = {1994}}
+        Author = {J. P. B\'erenger},
+        Journal = jcp,
+        Pages = {185-200},
+        Title = {A {P}erfectly {M}atched {L}ayer for the absorption of electromagnetic waves},
+        Volume = {114},
+        Year = {1994}}
 
 @article{BaDo81,
-	Author = {I. Babu\u{s}ka and M. R. Dorr},
-	Journal = {Numer. Math.},
-	Pages = {257-277},
-	Title = {Error estimates for the combined $h$ and $p$ version of the finite element method},
-	Volume = {37},
-	Year = {1981}}
+        Author = {I. Babu\u{s}ka and M. R. Dorr},
+        Journal = {Numer. Math.},
+        Pages = {257-277},
+        Title = {Error estimates for the combined $h$ and $p$ version of the finite element method},
+        Volume = {37},
+        Year = {1981}}
 
 @article{BaSzKa81,
-	Author = {I. Babu\u{s}ka and B. A. Szab\'o and I. N. Katz},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Pages = {512-545},
-	Title = {The $p$ version of the finite element method},
-	Volume = {18},
-	Year = {1981}}
+        Author = {I. Babu\u{s}ka and B. A. Szab\'o and I. N. Katz},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Pages = {512-545},
+        Title = {The $p$ version of the finite element method},
+        Volume = {18},
+        Year = {1981}}
 
 @article{babuska1995,
-	Author = {I. Babuska and F. Ihlenburg and E. T. Paik and S. A. Sauter},
-	Journal = cmame,
-	Number = {3-4},
-	Pages = {325-359},
-	Title = {A generalized finite element method for solving the {H}elmholtz equation in two dimensions with minimal pollution},
-	Volume = {128},
-	Year = {1995}}
+        Author = {I. Babuska and F. Ihlenburg and E. T. Paik and S. A. Sauter},
+        Journal = cmame,
+        Number = {3-4},
+        Pages = {325-359},
+        Title = {A generalized finite element method for solving the {H}elmholtz equation in two dimensions with minimal pollution},
+        Volume = {128},
+        Year = {1995}}
 
 @article{Bac76,
-	Author = {G. A. Backer},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Pages = {564-575},
-	Title = {Error estimates for the finite element method for second order hyperbolic equations},
-	Volume = {13},
-	Year = {1976}}
+        Author = {G. A. Backer},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Pages = {564-575},
+        Title = {Error estimates for the finite element method for second order hyperbolic equations},
+        Volume = {13},
+        Year = {1976}}
 
 @article{Bac62,
-	Author = {G. E. Backus},
-	Journal = jgr,
-	Pages = {4427-4440},
-	Title = {Long-wave elastic anisotropy produced by horizontal layering},
-	Volume = {67},
-	Year = {1962}}
+        Author = {G. E. Backus},
+        Journal = jgr,
+        Pages = {4427-4440},
+        Title = {Long-wave elastic anisotropy produced by horizontal layering},
+        Volume = {67},
+        Year = {1962}}
 
 @inproceedings{BaRoLiHiSiTaPaGo08,
-	Address = {Sydney, Australia},
-	Author = {Balevic, A. and Rockstroh, L. and Li, W. and Hillebrand, J. and Simon, S. and Tausendfreund, A. and Patzelt, S. and Goch, G.},
-	Booktitle = {Proceedings of the 8th IEEE International Conference on Computer and Information Technology},
-	Doi = {10.1109/CIT.2008.4594689},
-	Pages = {291-294},
-	Publisher = {IEEE Computer Society, Washington, DC, USA},
-	Title = {Acceleration of a finite-difference method with general purpose {GPU}s: {L}esson learned},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/CIT.2008.4594689}}
+        Address = {Sydney, Australia},
+        Author = {Balevic, A. and Rockstroh, L. and Li, W. and Hillebrand, J. and Simon, S. and Tausendfreund, A. and Patzelt, S. and Goch, G.},
+        Booktitle = {Proceedings of the 8th IEEE International Conference on Computer and Information Technology},
+        Doi = {10.1109/CIT.2008.4594689},
+        Pages = {291-294},
+        Publisher = {IEEE Computer Society, Washington, DC, USA},
+        Title = {Acceleration of a finite-difference method with general purpose {GPU}s: {L}esson learned},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/CIT.2008.4594689}}
 
 @inproceedings{BaRoTaPaGoSi08,
-	Address = {Sao Paulo, Brazil},
-	Author = {A. Balevic and L. Rockstroh and A. Tausendfreund and S. Patzelt and G. Goch and S. Simon},
-	Booktitle = {Proceedings of the 11th IEEE International Conference on Computational Science and Engineering},
-	Pages = {327-334},
-	Publisher = {IEEE Computer Society, Washington, DC, USA},
-	Title = {Accelerating Simulations of Light Scattering Based on a Finite-Difference Time-Domain Method with General Purpose {GPU}s},
-	Year = {2008}}
+        Address = {Sao Paulo, Brazil},
+        Author = {A. Balevic and L. Rockstroh and A. Tausendfreund and S. Patzelt and G. Goch and S. Simon},
+        Booktitle = {Proceedings of the 11th IEEE International Conference on Computational Science and Engineering},
+        Pages = {327-334},
+        Publisher = {IEEE Computer Society, Washington, DC, USA},
+        Title = {Accelerating Simulations of Light Scattering Based on a Finite-Difference Time-Domain Method with General Purpose {GPU}s},
+        Year = {2008}}
 
 @article{BaEnHaJo88,
-	Author = {A. Bamberger and B. Engquist and L. Halpern and P. Joly},
-	Journal = {SIAM J. Appl. Math.},
-	Pages = {129-154},
-	Title = {Higher order paraxial wave equation approximations in heterogeneous media},
-	Volume = {48},
-	Year = {1988}}
+        Author = {A. Bamberger and B. Engquist and L. Halpern and P. Joly},
+        Journal = {SIAM J. Appl. Math.},
+        Pages = {129-154},
+        Title = {Higher order paraxial wave equation approximations in heterogeneous media},
+        Volume = {48},
+        Year = {1988}}
 
 @article{BaJoRo90,
-	Author = {A. Bamberger and P. Joly and J. E. Roberts},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Pages = {323-352},
-	Title = {Second order absorbing boundary conditions for the wave equation: a solution for the corner problem},
-	Volume = {27},
-	Year = {1990}}
+        Author = {A. Bamberger and P. Joly and J. E. Roberts},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Pages = {323-352},
+        Title = {Second order absorbing boundary conditions for the wave equation: a solution for the corner problem},
+        Volume = {27},
+        Year = {1990}}
 
 @article{BaBiGhKaOhShXu98,
-	Author = {H. Bao and J. Bielak and O. Ghattas and L. F. Kallivokas and D. R. O'Hallaron and J. R. Shewchuk and J. Xu},
-	Journal = cmame,
-	Pages = {85-102},
-	Title = {Large-scale simulation of elastic wave propagation in heterogeneous media on parallel computers},
-	Volume = {152},
-	Year = {1998}}
+        Author = {H. Bao and J. Bielak and O. Ghattas and L. F. Kallivokas and D. R. O'Hallaron and J. R. Shewchuk and J. Xu},
+        Journal = cmame,
+        Pages = {85-102},
+        Title = {Large-scale simulation of elastic wave propagation in heterogeneous media on parallel computers},
+        Volume = {152},
+        Year = {1998}}
 
 @article{Bar82,
-	Author = {P. Y. Bard},
-	Journal = gjras,
-	Pages = {731-760},
-	Title = {Diffracted waves and displacement field over two dimensional topographies},
-	Volume = {71},
-	Year = {1982}}
+        Author = {P. Y. Bard},
+        Journal = gjras,
+        Pages = {731-760},
+        Title = {Diffracted waves and displacement field over two dimensional topographies},
+        Volume = {71},
+        Year = {1982}}
 
 @article{BaBo85,
-	Author = {Pierre-Yves Bard and Michel Bouchon},
-	Journal = bssa,
-	Pages = {519-541},
-	Title = {The two-dimensional resonance of sediment-filled valleys},
-	Volume = {75},
-	Year = {1985}}
+        Author = {Pierre-Yves Bard and Michel Bouchon},
+        Journal = bssa,
+        Pages = {519-541},
+        Title = {The two-dimensional resonance of sediment-filled valleys},
+        Volume = {75},
+        Year = {1985}}
 
 @article{BaBo80a,
-	Author = {Pierre-Yves Bard and Michel Bouchon},
-	Journal = bssa,
-	Pages = {1263-1286},
-	Title = {The seismic response of sediment-filled valleys, {P}art 1: The case of incident {SH} waves},
-	Volume = {70},
-	Year = {1980}}
+        Author = {Pierre-Yves Bard and Michel Bouchon},
+        Journal = bssa,
+        Pages = {1263-1286},
+        Title = {The seismic response of sediment-filled valleys, {P}art 1: The case of incident {SH} waves},
+        Volume = {70},
+        Year = {1980}}
 
 @article{BaBo80b,
-	Author = {Pierre-Yves Bard and Michel Bouchon},
-	Journal = bssa,
-	Pages = {1921-1941},
-	Title = {The seismic response of sediment-filled valleys, {P}art 2: The case of incident {P} and {SV} waves},
-	Volume = {70},
-	Year = {1980}}
+        Author = {Pierre-Yves Bard and Michel Bouchon},
+        Journal = bssa,
+        Pages = {1921-1941},
+        Title = {The seismic response of sediment-filled valleys, {P}art 2: The case of incident {P} and {SV} waves},
+        Volume = {70},
+        Year = {1980}}
 
 @article{bardos,
-	Author = {C. Bardos and G. Lebeau and J. Rauch},
-	Journal = {Invent. Math.},
-	Pages = {77-114},
-	Title = {Gevrey regularity and distribution of the scattering frequencies},
-	Volume = {90},
-	Year = {1987}}
+        Author = {C. Bardos and G. Lebeau and J. Rauch},
+        Journal = {Invent. Math.},
+        Pages = {77-114},
+        Title = {Gevrey regularity and distribution of the scattering frequencies},
+        Volume = {90},
+        Year = {1987}}
 
 @article{Bar00,
-	Author = {D. M. Barnett},
-	Journal = {International Journal of Solids and Structures},
-	Pages = {45-54},
-	Title = {Bulk, surface, and interfacial waves in anisotropic linear elastic solids},
-	Volume = {37},
-	Year = {2000}}
+        Author = {D. M. Barnett},
+        Journal = {International Journal of Solids and Structures},
+        Pages = {45-54},
+        Title = {Bulk, surface, and interfacial waves in anisotropic linear elastic solids},
+        Volume = {37},
+        Year = {2000}}
 
 @article{Bar92,
-	Author = {D. M. Barnett},
-	Journal = {Physica Scripta},
-	Pages = {98-103},
-	Title = {On the non-existence of subsonic boundary-polarized two-component free surface waves},
-	Volume = {T44},
-	Year = {1992}}
+        Author = {D. M. Barnett},
+        Journal = {Physica Scripta},
+        Pages = {98-103},
+        Title = {On the non-existence of subsonic boundary-polarized two-component free surface waves},
+        Volume = {T44},
+        Year = {1992}}
 
 @incollection{BarCha91,
-	Address = {Philadelphia, USA},
-	Author = {D. M. Barnett and P. Chadwick},
-	Booktitle = {Modern Theory of Anisotropic Elasticity and Applications},
-	Editor = {J. J. Wu and T. C. T. Ting and D. M. Barnett},
-	Pages = {199-214},
-	Publisher = {SIAM},
-	Title = {The existence of one-component surface waves and exceptional transonic states of types 2, 4 and {E}1 in anisotropic elastic media},
-	Year = {1991}}
+        Address = {Philadelphia, USA},
+        Author = {D. M. Barnett and P. Chadwick},
+        Booktitle = {Modern Theory of Anisotropic Elasticity and Applications},
+        Editor = {J. J. Wu and T. C. T. Ting and D. M. Barnett},
+        Pages = {199-214},
+        Publisher = {SIAM},
+        Title = {The existence of one-component surface waves and exceptional transonic states of types 2, 4 and {E}1 in anisotropic elastic media},
+        Year = {1991}}
 
 @article{BarChaLot91,
-	Author = {D. M. Barnett and P. Chadwick and J. Lothe},
-	Journal = {Proceedings of the Royal Society of London, United Kingdom},
-	Pages = {699-710},
-	Title = {The behaviour of elastic surface waves polarized in a plane of material symmetry. {I}. {A}ddendum},
-	Volume = {A433},
-	Year = {1991}}
+        Author = {D. M. Barnett and P. Chadwick and J. Lothe},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {699-710},
+        Title = {The behaviour of elastic surface waves polarized in a plane of material symmetry. {I}. {A}ddendum},
+        Volume = {A433},
+        Year = {1991}}
 
 @article{BarGavLot88,
-	Author = {D. M. Barnett and S. D. Gavazza and J. Lothe},
-	Journal = {Proceedings of the Royal Society of London, United Kingdom},
-	Pages = {389-419},
-	Title = {Slip waves along the interface between two anisotropic elastic half-spaces in sliding contact},
-	Volume = {A415},
-	Year = {1988}}
+        Author = {D. M. Barnett and S. D. Gavazza and J. Lothe},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {389-419},
+        Title = {Slip waves along the interface between two anisotropic elastic half-spaces in sliding contact},
+        Volume = {A415},
+        Year = {1988}}
 
 @article{BarLot85,
-	Author = {D. M. Barnett and J. Lothe},
-	Journal = {Proceedings of the Royal Society of London, United Kingdom},
-	Pages = {135-152},
-	Title = {Free surface ({R}ayleigh) waves in anisotropic elastic halfspaces: the surface impedance method},
-	Volume = {A402},
-	Year = {1985}}
+        Author = {D. M. Barnett and J. Lothe},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {135-152},
+        Title = {Free surface ({R}ayleigh) waves in anisotropic elastic halfspaces: the surface impedance method},
+        Volume = {A402},
+        Year = {1985}}
 
 @article{BarLot74,
-	Author = {D. M. Barnett and J. Lothe},
-	Journal = {Journal of Physics F: Metal Physics},
-	Pages = {671-686},
-	Title = {Consideration of the existence of surface wave ({R}ayleigh wave) solutions in anisotropic elastic crystals},
-	Volume = {4},
-	Year = {1974}}
+        Author = {D. M. Barnett and J. Lothe},
+        Journal = {Journal of Physics F: Metal Physics},
+        Pages = {671-686},
+        Title = {Consideration of the existence of surface wave ({R}ayleigh wave) solutions in anisotropic elastic crystals},
+        Volume = {4},
+        Year = {1974}}
 
 @article{BarLot73,
-	Author = {D. M. Barnett and J. Lothe},
-	Journal = {Physica Norvegica},
-	Pages = {13-22},
-	Title = {Synthesis of the {S}extic and the {I}ntegral {F}ormalism for dislocations, {G}reens functions, and surface waves in anisotropic elastic solids},
-	Volume = {7},
-	Year = {1973}}
+        Author = {D. M. Barnett and J. Lothe},
+        Journal = {Physica Norvegica},
+        Pages = {13-22},
+        Title = {Synthesis of the {S}extic and the {I}ntegral {F}ormalism for dislocations, {G}reens functions, and surface waves in anisotropic elastic solids},
+        Volume = {7},
+        Year = {1973}}
 
 @article{BarLotNisAsa73,
-	Author = {D. M. Barnett and J. Lothe and K. Nishioka and R. J. Asaro},
-	Journal = {Journal of Physics F: Metal Physics},
-	Pages = {1083-1096},
-	Title = {Elastic surface waves in anisotropic crystals: a simplified method for calculating {R}ayleigh velocities using dislocation theory},
-	Volume = {3},
-	Year = {1973}}
+        Author = {D. M. Barnett and J. Lothe and K. Nishioka and R. J. Asaro},
+        Journal = {Journal of Physics F: Metal Physics},
+        Pages = {1083-1096},
+        Title = {Elastic surface waves in anisotropic crystals: a simplified method for calculating {R}ayleigh velocities using dislocation theory},
+        Volume = {3},
+        Year = {1973}}
 
 @inproceedings{BaSaFiRo05,
-	Address = {Seoul, Korea},
-	Author = {Baron, G. S. and Sarris, C. D. and Fiume, E. and Rogers Sr., Edward S.},
-	Booktitle = {Proceedings of the 2005 IEEE Antennas and Propagation Society International Symposium},
-	Doi = {10.1109/APS.2005.1552619},
-	Pages = {193-196},
-	Publisher = {IEEE Computer Society, Washington, DC, USA},
-	Title = {Fast and accurate time-domain simulations with commodity graphics hardware},
-	Volume = {4A},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/APS.2005.1552619}}
+        Address = {Seoul, Korea},
+        Author = {Baron, G. S. and Sarris, C. D. and Fiume, E. and Rogers Sr., Edward S.},
+        Booktitle = {Proceedings of the 2005 IEEE Antennas and Propagation Society International Symposium},
+        Doi = {10.1109/APS.2005.1552619},
+        Pages = {193-196},
+        Publisher = {IEEE Computer Society, Washington, DC, USA},
+        Title = {Fast and accurate time-domain simulations with commodity graphics hardware},
+        Volume = {4A},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/APS.2005.1552619}}
 
 @inproceedings{Ba03,
-	Address = {Jyv\"askyl\"a, Finland},
-	Author = {H. Barucq},
-	Booktitle = {Mathematical and Numerical Aspects of Wave Propagation: Waves 2003},
-	Editor = {Gary Cohen and Erkki Heikkola and Patrick Joly and Pekka Neittaanm\"aki},
-	Publisher = {Springer-Verlag},
-	Series = {Proceedings of the Sixth International Conference on Mathematical and Numerical Aspects of Wave Propagation},
-	Title = {A family of first-order conditions for the long-time stability of the {M}axwell system},
-	Year = {2003}}
+        Address = {Jyv\"askyl\"a, Finland},
+        Author = {H. Barucq},
+        Booktitle = {Mathematical and Numerical Aspects of Wave Propagation: Waves 2003},
+        Editor = {Gary Cohen and Erkki Heikkola and Patrick Joly and Pekka Neittaanm\"aki},
+        Publisher = {Springer-Verlag},
+        Series = {Proceedings of the Sixth International Conference on Mathematical and Numerical Aspects of Wave Propagation},
+        Title = {A family of first-order conditions for the long-time stability of the {M}axwell system},
+        Year = {2003}}
 
 @article{Bar02,
-	Author = {H. Barucq},
-	Journal = {J. Math. Pures Appl.},
-	Pages = {67-88},
-	Title = {A new family of first-order boundary conditions for the {M}axwell system: derivation, well-posedness and long-time behavior},
-	Volume = {82},
-	Year = {2002}}
+        Author = {H. Barucq},
+        Journal = {J. Math. Pures Appl.},
+        Pages = {67-88},
+        Title = {A new family of first-order boundary conditions for the {M}axwell system: derivation, well-posedness and long-time behavior},
+        Volume = {82},
+        Year = {2002}}
 
 @article{BaBeDj04,
-	Author = {H. Barucq and C. Bekkey and R. Djellouli},
-	Journal = {J. Comp. Phys.},
-	Note = {to appear},
-	Number = {2},
-	Pages = {666-696},
-	Title = {Construction of local boundary conditions for an eigenvalue problem using micro-local analysis. Application to optical waveguide problem},
-	Volume = {193},
-	Year = {2004}}
+        Author = {H. Barucq and C. Bekkey and R. Djellouli},
+        Journal = {J. Comp. Phys.},
+        Note = {to appear},
+        Number = {2},
+        Pages = {666-696},
+        Title = {Construction of local boundary conditions for an eigenvalue problem using micro-local analysis. Application to optical waveguide problem},
+        Volume = {193},
+        Year = {2004}}
 
 @article{BaDeHa98,
-	Author = {H. Barucq and F. Delaurens and B. Hanouzet},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Pages = {1113-1129},
-	Title = {Method of Absorbing Boundary conditions: Phenomena of error stabilization},
-	Volume = {35},
-	Year = {1998}}
+        Author = {H. Barucq and F. Delaurens and B. Hanouzet},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Pages = {1113-1129},
+        Title = {Method of Absorbing Boundary conditions: Phenomena of error stabilization},
+        Volume = {35},
+        Year = {1998}}
 
 @article{b0.4,
-	Author = {H. Barucq and M. Fontes},
-	Journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
-	Title = {Analysis of the three-dimensional {M}axwell system coupled with strongly absorbing layers},
-	Year = {2006}}
+        Author = {H. Barucq and M. Fontes},
+        Journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
+        Title = {Analysis of the three-dimensional {M}axwell system coupled with strongly absorbing layers},
+        Year = {2006}}
 
 @article{BaHa97,
-	Author = {H. Barucq and B. Hanouzet},
-	Journal = {Asympt. Anal.},
-	Pages = {465-473},
-	Title = {Asymptotic Behavior of solutions to {M}axwell's system with absorbing {S}ilver-{M}uller condition on the exterior boundary},
-	Volume = {15},
-	Year = {1997}}
+        Author = {H. Barucq and B. Hanouzet},
+        Journal = {Asympt. Anal.},
+        Pages = {465-473},
+        Title = {Asymptotic Behavior of solutions to {M}axwell's system with absorbing {S}ilver-{M}uller condition on the exterior boundary},
+        Volume = {15},
+        Year = {1997}}
 
 @article{BaMaSm204,
-	Author = {H. Barucq and M. Madaune-Tort and P. Saint-Macary},
-	Journal = {Advances in Differential Equations},
-	Number = {1},
-	Pages = {61-90},
-	Title = {Asymptotic models in porous media arising from a {B}iot system},
-	Volume = {11},
-	Year = {2006}}
+        Author = {H. Barucq and M. Madaune-Tort and P. Saint-Macary},
+        Journal = {Advances in Differential Equations},
+        Number = {1},
+        Pages = {61-90},
+        Title = {Asymptotic models in porous media arising from a {B}iot system},
+        Volume = {11},
+        Year = {2006}}
 
 @article{BarucqMadauneSaintMacary12005,
-	Author = {H. Barucq and M. Madaune-Tort and P. Saint-Macary},
-	Journal = {Nonlinear Analysis: Theory, Methods and Applications},
-	Number = {4},
-	Pages = {591-612},
-	Title = {Some existence-uniqueness results for a class of one-dimensional nonlinear {B}iot models},
-	Volume = {61},
-	Year = {2005}}
+        Author = {H. Barucq and M. Madaune-Tort and P. Saint-Macary},
+        Journal = {Nonlinear Analysis: Theory, Methods and Applications},
+        Number = {4},
+        Pages = {591-612},
+        Title = {Some existence-uniqueness results for a class of one-dimensional nonlinear {B}iot models},
+        Volume = {61},
+        Year = {2005}}
 
 @article{BarucqMadauneSaintMacary22005,
-	Author = {H. Barucq and M. Madaune-Tort and P. Saint-Macary},
-	Journal = {Nonlinear Analysis: Theory, Methods and Applications},
-	Number = {5-7},
-	Pages = {e985-e995},
-	Title = {On nonlinear {B}iot consolidation models},
-	Volume = {63},
-	Year = {2005}}
+        Author = {H. Barucq and M. Madaune-Tort and P. Saint-Macary},
+        Journal = {Nonlinear Analysis: Theory, Methods and Applications},
+        Number = {5-7},
+        Pages = {e985-e995},
+        Title = {On nonlinear {B}iot consolidation models},
+        Volume = {63},
+        Year = {2005}}
 
 @article{BaLaMa00,
-	Author = {C. Bassin and G. Laske and G. Masters},
-	Journal = {EOS},
-	Pages = {F897},
-	Title = {The Current Limits of Resolution for Surface Wave Tomography in {N}orth {A}merica},
-	Volume = {81},
-	Year = {2000}}
+        Author = {C. Bassin and G. Laske and G. Masters},
+        Journal = {EOS},
+        Pages = {F897},
+        Title = {The Current Limits of Resolution for Surface Wave Tomography in {N}orth {A}merica},
+        Volume = {81},
+        Year = {2000}}
 
 @article{Bas09,
-	Author = {Ushnish Basu},
-	Doi = {10.1002/nme.2397},
-	Journal = ijnme,
-	Pages = {151-176},
-	Title = {Explicit finite-element perfectly matched layer for transient three-dimensional elastic waves},
-	Volume = {77},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.2397}}
+        Author = {Ushnish Basu},
+        Doi = {10.1002/nme.2397},
+        Journal = ijnme,
+        Pages = {151-176},
+        Title = {Explicit finite-element perfectly matched layer for transient three-dimensional elastic waves},
+        Volume = {77},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.2397}}
 
 @article{BaCh04,
-	Author = {U. Basu and A. K. Chopra},
-	Journal = ijnme,
-	Pages = {1039-1074},
-	Title = {Perfectly matched layers for transient elastodynamics of unbounded domains},
-	Volume = {59},
-	Year = {2004}}
+        Author = {U. Basu and A. K. Chopra},
+        Journal = ijnme,
+        Pages = {1039-1074},
+        Title = {Perfectly matched layers for transient elastodynamics of unbounded domains},
+        Volume = {59},
+        Year = {2004}}
 
 @article{BaCh03,
-	Author = {U. Basu and A. K. Chopra},
-	Journal = cmame,
-	Pages = {1337-1375},
-	Title = {Perfectly matched layers for time-harmonic elastodynamics of unbounded domains: theory and finite-element implementation},
-	Volume = {192},
-	Year = {2003}}
+        Author = {U. Basu and A. K. Chopra},
+        Journal = cmame,
+        Pages = {1337-1375},
+        Title = {Perfectly matched layers for time-harmonic elastodynamics of unbounded domains: theory and finite-element implementation},
+        Volume = {192},
+        Year = {2003}}
 
 @article{Bat87,
-	Author = {G. Battle},
-	Journal = {Communications in Mathematical Physics},
-	Pages = {9999998-9999999},
-	Title = {A block spin construction of wavelets, Part 1: {L}emari\'e functions},
-	Volume = {110},
-	Year = {1987}}
+        Author = {G. Battle},
+        Journal = {Communications in Mathematical Physics},
+        Pages = {9999998-9999999},
+        Title = {A block spin construction of wavelets, Part 1: {L}emari\'e functions},
+        Volume = {110},
+        Year = {1987}}
 
 @article{BaJoLeTu86,
-	Author = {A. Bayliss and K. E. Jordan and B. J. Lemesurier and E. Turkel},
-	Journal = bssa,
-	Pages = {1115-1132},
-	Title = {A fourth-order accurate finite-difference scheme for the computation of elastic waves},
-	Volume = {76},
-	Year = {1986}}
+        Author = {A. Bayliss and K. E. Jordan and B. J. Lemesurier and E. Turkel},
+        Journal = bssa,
+        Pages = {1115-1132},
+        Title = {A fourth-order accurate finite-difference scheme for the computation of elastic waves},
+        Volume = {76},
+        Year = {1986}}
 
 @article{BaTu80,
-	Author = {A. Bayliss and E. Turkel},
-	Journal = {Comm. Pure Appl. Math.},
-	Pages = {707-725},
-	Title = {Radiation boundary conditions for wave-like equations},
-	Volume = {33},
-	Year = {1980}}
+        Author = {A. Bayliss and E. Turkel},
+        Journal = {Comm. Pure Appl. Math.},
+        Pages = {707-725},
+        Title = {Radiation boundary conditions for wave-like equations},
+        Volume = {33},
+        Year = {1980}}
 
 @article{baysal83,
-	Author = {E. Baysal and D. D. Kosloff and J. W. C. Sherwood},
-	Journal = {Geophysics},
-	Pages = {1514-1524},
-	Title = {Reverse-time migration},
-	Volume = {48},
-	Year = {1983}}
+        Author = {E. Baysal and D. D. Kosloff and J. W. C. Sherwood},
+        Journal = {Geophysics},
+        Pages = {1514-1524},
+        Title = {Reverse-time migration},
+        Volume = {48},
+        Year = {1983}}
 
 @article{beckerboschi2002,
-	Author = {T. W. Becker and L. Boschi},
-	Doi = {10.1029/2001GC000168},
-	Journal = {Geochem. Geophys. Geosyst.},
-	Number = {1},
-	Pages = {1003},
-	Title = {A comparison of tomographic and geodynamic mantle models},
-	Volume = {3},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2001GC000168}}
+        Author = {T. W. Becker and L. Boschi},
+        Doi = {10.1029/2001GC000168},
+        Journal = {Geochem. Geophys. Geosyst.},
+        Number = {1},
+        Pages = {1003},
+        Title = {A comparison of tomographic and geodynamic mantle models},
+        Volume = {3},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2001GC000168}}
 
 @inproceedings{Bell:2009:ISM,
-	Address = {New York, USA},
-	Author = {Nathan Bell and Michael Garland},
-	Booktitle = {SC'09: Proceedings of the 2009 ACM/IEEE conference on Supercomputing},
-	Doi = {10.1145/1654059.1654078},
-	Location = {Portland, Oregon, USA},
-	Month = nov,
-	Pages = {1--11},
-	Publisher = {ACM},
-	Title = {Implementing sparse matrix-vector multiplication on throughput-oriented processors},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1654059.1654078}}
+        Address = {New York, USA},
+        Author = {Nathan Bell and Michael Garland},
+        Booktitle = {SC'09: Proceedings of the 2009 ACM/IEEE conference on Supercomputing},
+        Doi = {10.1145/1654059.1654078},
+        Location = {Portland, Oregon, USA},
+        Month = nov,
+        Pages = {1--11},
+        Publisher = {ACM},
+        Title = {Implementing sparse matrix-vector multiplication on throughput-oriented processors},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1654059.1654078}}
 
 @incollection{BeMu78,
-	Address = {New York},
-	Author = {Ted Belytschko and R. Mullen},
-	Booktitle = {Modern problems in elastic wave propagation},
-	Editor = {J. Miklowitz and J. D. Achenbach},
-	Publisher = {John Wiley and Sons},
-	Title = {On dispersive properties of finite element solutions},
-	Volume = {67},
-	Year = {1978}}
+        Address = {New York},
+        Author = {Ted Belytschko and R. Mullen},
+        Booktitle = {Modern problems in elastic wave propagation},
+        Editor = {J. Miklowitz and J. D. Achenbach},
+        Publisher = {John Wiley and Sons},
+        Title = {On dispersive properties of finite element solutions},
+        Volume = {67},
+        Year = {1978}}
 
 @article{BePlKeGr90,
-	Author = {Ted Belytschko and E. J. Plaskacz and J. M. Kennedy and D. L. Greenwell},
-	Journal = cmame,
-	Pages = {229-254},
-	Title = {Finite element analysis on the {C}onnection {M}achine},
-	Volume = {81},
-	Year = {1990}}
+        Author = {Ted Belytschko and E. J. Plaskacz and J. M. Kennedy and D. L. Greenwell},
+        Journal = cmame,
+        Pages = {229-254},
+        Title = {Finite element analysis on the {C}onnection {M}achine},
+        Volume = {81},
+        Year = {1990}}
 
 @book{Ben81,
-	Address = {New York},
-	Author = {Ari Ben-Menahem and Sarva Jit. Singh},
-	Publisher = {Springer-Verlag},
-	Title = {Seismic waves and sources},
-	Year = {1981}}
+        Address = {New York},
+        Author = {Ari Ben-Menahem and Sarva Jit. Singh},
+        Publisher = {Springer-Verlag},
+        Title = {Seismic waves and sources},
+        Year = {1981}}
 
 @article{BeOl05,
-	Author = {Rafael Benites and Kim B. Olsen},
-	Doi = {10.1785/0120040223},
-	Journal = bssa,
-	Number = {6},
-	Pages = {2180-2196},
-	Title = {Modeling Strong Ground Motion in the {W}ellington Metropolitan Area, {N}ew {Z}ealand},
-	Volume = {95},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120040223}}
+        Author = {Rafael Benites and Kim B. Olsen},
+        Doi = {10.1785/0120040223},
+        Journal = bssa,
+        Number = {6},
+        Pages = {2180-2196},
+        Title = {Modeling Strong Ground Motion in the {W}ellington Metropolitan Area, {N}ew {Z}ealand},
+        Volume = {95},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120040223}}
 
 @incollection{BeIfNiSk94,
-	Author = {P. Berg and F. If and P. Nielsen and O. Skovegaard},
-	Booktitle = {Modeling the Earth for oil exploration, Final report of the CEC's GEOSCIENCE~I Program 1990-1993},
-	Editor = {K. Helbig},
-	Pages = {421-427},
-	Publisher = {Pergamon Press, Oxford, United Kingdom},
-	Title = {Analytic reference solutions},
-	Year = {1994}}
+        Author = {P. Berg and F. If and P. Nielsen and O. Skovegaard},
+        Booktitle = {Modeling the Earth for oil exploration, Final report of the CEC's GEOSCIENCE~I Program 1990-1993},
+        Editor = {K. Helbig},
+        Pages = {421-427},
+        Publisher = {Pergamon Press, Oxford, United Kingdom},
+        Title = {Analytic reference solutions},
+        Year = {1994}}
 
 @incollection{BeBrSy82,
-	Author = {Ph. Berger and P. Brouaye and J. C. Syre},
-	Booktitle = {Proceedings of the International Conference on Parallel Processing, ICPP'82, August 24-27, 1982, Bellaire, Michigan, USA},
-	Pages = {41-46},
-	Publisher = {IEEE Computer Society},
-	Title = {A mesh coloring method for efficient {MIMD} processing in finite element problems},
-	Year = {1982}}
+        Author = {Ph. Berger and P. Brouaye and J. C. Syre},
+        Booktitle = {Proceedings of the International Conference on Parallel Processing, ICPP'82, August 24-27, 1982, Bellaire, Michigan, USA},
+        Pages = {41-46},
+        Publisher = {IEEE Computer Society},
+        Title = {A mesh coloring method for efficient {MIMD} processing in finite element problems},
+        Year = {1982}}
 
 @inproceedings{BeHePrRo06b,
-	Address = {Barcelona, Spain},
-	Author = {Alfredo Berm\'udez and Luis Hervella-Nieto and Andr\'es Prieto and Rodolfo Rodr\'{\i}guez},
-	Booktitle = {Variational Formulations in Mechanics: Theory and Applications},
-	Editor = {E. Taroco and E. A. de Souza Neto and A. A. Novotny},
-	Publisher = {CIMNE},
-	Title = {An optimal finite-element/{PML} method for the simulation of acoustic wave propagation phenomena},
-	Year = {2006}}
+        Address = {Barcelona, Spain},
+        Author = {Alfredo Berm\'udez and Luis Hervella-Nieto and Andr\'es Prieto and Rodolfo Rodr\'{\i}guez},
+        Booktitle = {Variational Formulations in Mechanics: Theory and Applications},
+        Editor = {E. Taroco and E. A. de Souza Neto and A. A. Novotny},
+        Publisher = {CIMNE},
+        Title = {An optimal finite-element/{PML} method for the simulation of acoustic wave propagation phenomena},
+        Year = {2006}}
 
 @article{BeHePrRo06,
-	Author = {Alfredo Berm\'udez and Luis Hervella-Nieto and Andr\'es Prieto and Rodolfo Rodr\'{\i}guez},
-	Doi = {10.1016/j.jcp.2006.09.018},
-	Journal = jcp,
-	Number = {2},
-	Pages = {469-488},
-	Title = {An optimal perfectly matched layer with unbounded absorbing function for time-harmonic acoustic scattering problems},
-	Volume = {223},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2006.09.018}}
+        Author = {Alfredo Berm\'udez and Luis Hervella-Nieto and Andr\'es Prieto and Rodolfo Rodr\'{\i}guez},
+        Doi = {10.1016/j.jcp.2006.09.018},
+        Journal = jcp,
+        Number = {2},
+        Pages = {469-488},
+        Title = {An optimal perfectly matched layer with unbounded absorbing function for time-harmonic acoustic scattering problems},
+        Volume = {223},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2006.09.018}}
 
 @article{BeHeRo99,
-	Author = {A. Berm\'udez and L. Hervella-Nieto and R. Rodriguez},
-	Journal = {J. Sound Vibr.},
-	Pages = {279-306},
-	Title = {Finite-element computation of three-dimensional elastoacoustic vibrations},
-	Volume = {219},
-	Year = {1999}}
+        Author = {A. Berm\'udez and L. Hervella-Nieto and R. Rodriguez},
+        Journal = {J. Sound Vibr.},
+        Pages = {279-306},
+        Title = {Finite-element computation of three-dimensional elastoacoustic vibrations},
+        Volume = {219},
+        Year = {1999}}
 
 @article{BeRo94,
-	Author = {A. Berm\'udez and R. {Rodr\'\i guez}},
-	Journal = cmame,
-	Pages = {355-370},
-	Title = {Finite-element computation of the vibration modes of a fluid-solid system},
-	Volume = {119},
-	Year = {1994}}
+        Author = {A. Berm\'udez and R. {Rodr\'\i guez}},
+        Journal = cmame,
+        Pages = {355-370},
+        Title = {Finite-element computation of the vibration modes of a fluid-solid system},
+        Volume = {119},
+        Year = {1994}}
 
 @article{BeLaPi06,
-	Author = {Marc Bernacki and St\'ephane Lanteri and Serge Piperno},
-	Journal = jca,
-	Number = {1},
-	Pages = {57-81},
-	Title = {Time-Domain Parallel Simulation Of Heterogeneous Wave Propagation On Unstructured Grids Using Explicit, Nondiffusive, Discontinuous {G}alerkin Methods},
-	Volume = {14},
-	Year = {2006}}
+        Author = {Marc Bernacki and St\'ephane Lanteri and Serge Piperno},
+        Journal = jca,
+        Number = {1},
+        Pages = {57-81},
+        Title = {Time-Domain Parallel Simulation Of Heterogeneous Wave Propagation On Unstructured Grids Using Explicit, Nondiffusive, Discontinuous {G}alerkin Methods},
+        Volume = {14},
+        Year = {2006}}
 
 @article{BeDeMa90,
-	Author = {C. Bernardi and N. Debit and Y. Maday},
-	Journal = {Mathematics of Computation},
-	Pages = {21-39},
-	Title = {Coupling finite element and spectral methods: first results},
-	Volume = {54},
-	Year = {1990}}
+        Author = {C. Bernardi and N. Debit and Y. Maday},
+        Journal = {Mathematics of Computation},
+        Pages = {21-39},
+        Title = {Coupling finite element and spectral methods: first results},
+        Volume = {54},
+        Year = {1990}}
 
 @book{BeMa92,
-	Address = {Paris},
-	Author = {C. Bernardi and Y. Maday},
-	Publisher = {Springer-Verlag},
-	Title = {Approximations spectrales de probl\`emes aux limites elliptiques},
-	Year = {1992}}
+        Address = {Paris},
+        Author = {C. Bernardi and Y. Maday},
+        Publisher = {Springer-Verlag},
+        Title = {Approximations spectrales de probl\`emes aux limites elliptiques},
+        Year = {1992}}
 
 @inproceedings{BeMaPa94,
-	Address = {Paris},
-	Author = {C. Bernardi and Y. Maday and A. T. Patera},
-	Booktitle = {Nonlinear partial differential equations and their applications},
-	Editor = {H. Brezis and J. L. Lions},
-	Pages = {13-51},
-	Publisher = {Pitman},
-	Series = {S\'eminaires du Coll\`ege de France},
-	Title = {A new nonconforming approach to domain decomposition: the {M}ortar element method},
-	Year = {1994}}
+        Address = {Paris},
+        Author = {C. Bernardi and Y. Maday and A. T. Patera},
+        Booktitle = {Nonlinear partial differential equations and their applications},
+        Editor = {H. Brezis and J. L. Lions},
+        Pages = {13-51},
+        Publisher = {Pitman},
+        Series = {S\'eminaires du Coll\`ege de France},
+        Title = {A new nonconforming approach to domain decomposition: the {M}ortar element method},
+        Year = {1994}}
 
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-	Author = {C. Bescond and M. Deschamps},
-	Journal = jasa,
-	Number = {1},
-	Pages = {114-124},
-	Title = {Dynamical surface response of a semi-infinite anisotropic elastic medium to an impulsive force},
-	Volume = {103},
-	Year = {1998}}
+        Author = {C. Bescond and M. Deschamps},
+        Journal = jasa,
+        Number = {1},
+        Pages = {114-124},
+        Title = {Dynamical surface response of a semi-infinite anisotropic elastic medium to an impulsive force},
+        Volume = {103},
+        Year = {1998}}
 
 @article{BesDes98b,
-	Author = {C. Bescond and M. Deschamps},
-	Journal = jasa,
-	Number = {1},
-	Pages = {599},
-	Title = {Erratum to `{D}ynamical surface response of a semi-infinite anisotropic elastic medium to an impulsive force'},
-	Volume = {104},
-	Year = {1998}}
+        Author = {C. Bescond and M. Deschamps},
+        Journal = jasa,
+        Number = {1},
+        Pages = {599},
+        Title = {Erratum to `{D}ynamical surface response of a semi-infinite anisotropic elastic medium to an impulsive force'},
+        Volume = {104},
+        Year = {1998}}
 
 @article{BiCh84,
-	Author = {J. Bielak and P. Christiano},
-	Journal = {Earthquake Eng. Struct. Dyn.},
-	Pages = {107-119},
-	Title = {On the effective seismic input for non-linear soil-structure interaction systems},
-	Volume = {12},
-	Year = {1984}}
+        Author = {J. Bielak and P. Christiano},
+        Journal = {Earthquake Eng. Struct. Dyn.},
+        Pages = {107-119},
+        Title = {On the effective seismic input for non-linear soil-structure interaction systems},
+        Volume = {12},
+        Year = {1984}}
 
 @article{BiGhKi05,
-	Author = {J. Bielak and O. Ghattas and E. J. Kim},
-	Journal = cmes,
-	Number = {2},
-	Pages = {99-112},
-	Title = {Parallel Octree-Based Finite Element Method for Large-Scale Earthquake Ground Motion Simulation},
-	Volume = {10},
-	Year = {2005}}
+        Author = {J. Bielak and O. Ghattas and E. J. Kim},
+        Journal = cmes,
+        Number = {2},
+        Pages = {99-112},
+        Title = {Parallel Octree-Based Finite Element Method for Large-Scale Earthquake Ground Motion Simulation},
+        Volume = {10},
+        Year = {2005}}
 
 @article{BiXuGh99,
-	Author = {J. Bielak and J. Xu and O. Ghattas},
-	Journal = {J. Geotech. Geoenv. Eng.},
-	Pages = {413-423},
-	Title = {Earthquake ground motion and structural response in alluvial valleys},
-	Volume = {125},
-	Year = {1999}}
+        Author = {J. Bielak and J. Xu and O. Ghattas},
+        Journal = {J. Geotech. Geoenv. Eng.},
+        Pages = {413-423},
+        Title = {Earthquake ground motion and structural response in alluvial valleys},
+        Volume = {125},
+        Year = {1999}}
 
 @article{Biot56a,
-	Author = {M. A. Biot},
-	Journal = jasa,
-	Pages = {168-178},
-	Title = {Theory of propagation of elastic waves in a fluid-saturated porous solid. {I: L}ow-frequency range},
-	Volume = {28},
-	Year = {1956}}
+        Author = {M. A. Biot},
+        Journal = jasa,
+        Pages = {168-178},
+        Title = {Theory of propagation of elastic waves in a fluid-saturated porous solid. {I: L}ow-frequency range},
+        Volume = {28},
+        Year = {1956}}
 
 @article{Biot56b,
-	Author = {M. A. Biot},
-	Journal = jasa,
-	Pages = {179-191},
-	Title = {Theory of propagation of elastic waves in a fluid-saturated porous solid. {II: H}igher-frequency range},
-	Volume = {28},
-	Year = {1956}}
+        Author = {M. A. Biot},
+        Journal = jasa,
+        Pages = {179-191},
+        Title = {Theory of propagation of elastic waves in a fluid-saturated porous solid. {II: H}igher-frequency range},
+        Volume = {28},
+        Year = {1956}}
 
 @article{Bio52,
-	Author = {M. A. Biot},
-	Journal = bssa,
-	Pages = {81-93},
-	Title = {The interaction of {R}ayleigh and {S}toneley waves in the ocean bottom},
-	Volume = {42},
-	Year = {1952}}
+        Author = {M. A. Biot},
+        Journal = bssa,
+        Pages = {81-93},
+        Title = {The interaction of {R}ayleigh and {S}toneley waves in the ocean bottom},
+        Volume = {42},
+        Year = {1952}}
 
 @book{BirGulKryPle95,
-	Address = {Berlin, Germany},
-	Author = {S. V. Biryukov and Y. V. Gulyaev and V. V. Krylov and V. P. Plessky},
-	Publisher = {Springer-Verlag},
-	Series = {Springer Series on Wave Phenomena},
-	Title = {Surface acoustic waves in inhomogeneous media},
-	Volume = {20},
-	Year = {1995}}
+        Address = {Berlin, Germany},
+        Author = {S. V. Biryukov and Y. V. Gulyaev and V. V. Krylov and V. P. Plessky},
+        Publisher = {Springer-Verlag},
+        Series = {Springer Series on Wave Phenomena},
+        Title = {Surface acoustic waves in inhomogeneous media},
+        Volume = {20},
+        Year = {1995}}
 
 @article{Bit05,
-	Author = {M. L. Bittencourt},
-	Doi = {10.1002/nme.1325},
-	Journal = ijnme,
-	Number = {11},
-	Pages = {1530-1558},
-	Title = {Fully tensorial nodal and modal shape functions for triangles and tetrahedra},
-	Volume = {63},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.1325}}
+        Author = {M. L. Bittencourt},
+        Doi = {10.1002/nme.1325},
+        Journal = ijnme,
+        Number = {11},
+        Pages = {1530-1558},
+        Title = {Fully tensorial nodal and modal shape functions for triangles and tetrahedra},
+        Volume = {63},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.1325}}
 
 @manual{Bl94,
-	Address = {Albuquerque, NM},
-	Author = {T.D. Blacker and P. Knupp and R. R. Lober and D. Melander and G. D. Sjaardema and W. A. Sample and M. K. Smith and T. J. Tautges and D. R. White and S. Benzley and R. Kerr and S. R. Jankovich and D. B. McRae and M. Panthaki},
-	Organization = {Sandia National Laboratories},
-	Title = {{CUBIT} Mesh Generation Environment Users Manual Vol. 1},
-	Year = {1994}}
+        Address = {Albuquerque, NM},
+        Author = {T.D. Blacker and P. Knupp and R. R. Lober and D. Melander and G. D. Sjaardema and W. A. Sample and M. K. Smith and T. J. Tautges and D. R. White and S. Benzley and R. Kerr and S. R. Jankovich and D. B. McRae and M. Panthaki},
+        Organization = {Sandia National Laboratories},
+        Title = {{CUBIT} Mesh Generation Environment Users Manual Vol. 1},
+        Year = {1994}}
 
 @article{BlLoKoBa09,
-	Author = {C\'eline Blitz and Philippe Lognonn\'e and Dimitri Komatitsch and David Baratoux},
-	Doi = {10.1029/2008JE003229},
-	Journal = jgr,
-	Pages = {E06006},
-	Title = {Effects of ejecta accumulation on the crater population of asteroid 433 {E}ros},
-	Volume = {114},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2008JE003229}}
+        Author = {C\'eline Blitz and Philippe Lognonn\'e and Dimitri Komatitsch and David Baratoux},
+        Doi = {10.1029/2008JE003229},
+        Journal = jgr,
+        Pages = {E06006},
+        Title = {Effects of ejecta accumulation on the crater population of asteroid 433 {E}ros},
+        Volume = {114},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2008JE003229}}
 
 @article{BoSaenger06,
-	Author = {Thomas Bohlen and Erik H. Saenger},
-	Doi = {10.1190/1.2213051},
-	Journal = geophysics,
-	Number = {4},
-	Pages = {T109-T115},
-	Title = {Accuracy of heterogeneous staggered-grid finite-difference modeling of {R}ayleigh waves},
-	Volume = {71},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2213051}}
+        Author = {Thomas Bohlen and Erik H. Saenger},
+        Doi = {10.1190/1.2213051},
+        Journal = geophysics,
+        Number = {4},
+        Pages = {T109-T115},
+        Title = {Accuracy of heterogeneous staggered-grid finite-difference modeling of {R}ayleigh waves},
+        Volume = {71},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2213051}}
 
 @article{BoHa77,
-	Author = {B. A. Bolt and R. A. Hansen},
-	Journal = bssa,
-	Pages = {1415-1427},
-	Title = {The upthrow of objects in earthquakes},
-	Volume = {67},
-	Year = {1977}}
+        Author = {B. A. Bolt and R. A. Hansen},
+        Journal = bssa,
+        Pages = {1415-1427},
+        Title = {The upthrow of objects in earthquakes},
+        Volume = {67},
+        Year = {1977}}
 
 @article{Bolz:2003:SMS,
-	Author = {Jeff Bolz and Ian Farmer and Eitan Grinspun and Peter Schr{\"o}der},
-	Doi = {10.1145/882262.882364},
-	Journal = {ACM Transactions on Graphics},
-	Month = jul,
-	Number = {3},
-	Pages = {917--924},
-	Title = {Sparse matrix solvers on the {GPU}: {C}onjugate Gradients and Multigrid},
-	Volume = {22},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/882262.882364}}
+        Author = {Jeff Bolz and Ian Farmer and Eitan Grinspun and Peter Schr{\"o}der},
+        Doi = {10.1145/882262.882364},
+        Journal = {ACM Transactions on Graphics},
+        Month = jul,
+        Number = {3},
+        Pages = {917--924},
+        Title = {Sparse matrix solvers on the {GPU}: {C}onjugate Gradients and Multigrid},
+        Volume = {22},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/882262.882364}}
 
 @article{BoVi91,
-	Author = {O. Bonamassa and J. E. Vidale},
-	Journal = bssa,
-	Pages = {1945-1957},
-	Title = {Directional site resonances observed from aftershocks of the 18 october 1989 {L}oma {P}rieta earthquake},
-	Volume = {81},
-	Year = {1991}}
+        Author = {O. Bonamassa and J. E. Vidale},
+        Journal = bssa,
+        Pages = {1945-1957},
+        Title = {Directional site resonances observed from aftershocks of the 18 october 1989 {L}oma {P}rieta earthquake},
+        Volume = {81},
+        Year = {1991}}
 
 @book{Bon95,
-	Address = {Paris},
-	Author = {M. Bonnet},
-	Publisher = {CNRS \'Editions, Eyrolles},
-	Title = {\'Equations int\'egrales et \'el\'ements de fronti\`ere},
-	Year = {1995}}
+        Address = {Paris},
+        Author = {M. Bonnet},
+        Publisher = {CNRS \'Editions, Eyrolles},
+        Title = {\'Equations int\'egrales et \'el\'ements de fronti\`ere},
+        Year = {1995}}
 
 @incollection{Boo72a,
-	Address = {New York},
-	Author = {D. M. Boore},
-	Booktitle = {Methods in Computational Physics},
-	Publisher = {Academic Press},
-	Title = {Finite difference methods for seismic wave propagation in heterogeneous materials},
-	Volume = {11},
-	Year = {1972}}
+        Address = {New York},
+        Author = {D. M. Boore},
+        Booktitle = {Methods in Computational Physics},
+        Publisher = {Academic Press},
+        Title = {Finite difference methods for seismic wave propagation in heterogeneous materials},
+        Volume = {11},
+        Year = {1972}}
 
 @article{Boo72b,
-	Author = {D. M. Boore},
-	Journal = bssa,
-	Pages = {275-284},
-	Title = {A note on the effect of simple topography on seismic {{\it SH}} waves},
-	Volume = {62},
-	Year = {1972}}
+        Author = {D. M. Boore},
+        Journal = bssa,
+        Pages = {275-284},
+        Title = {A note on the effect of simple topography on seismic {{\it SH}} waves},
+        Volume = {62},
+        Year = {1972}}
 
 @article{BoHaHa81,
-	Author = {D. M. Boore and S. C. Harmsen and S. T. Harding},
-	Journal = bssa,
-	Pages = {117-125},
-	Title = {Wave scattering from a steep change in surface topography},
-	Volume = {71},
-	Year = {1981}}
+        Author = {D. M. Boore and S. C. Harmsen and S. T. Harding},
+        Journal = bssa,
+        Pages = {117-125},
+        Title = {Wave scattering from a steep change in surface topography},
+        Volume = {71},
+        Year = {1981}}
 
 @article{BoCr83,
-	Author = {D. C. Booth and S. Crampin},
-	Journal = {Geophys. J. R. Astr. Soc.},
-	Pages = {755-766},
-	Title = {The anisotropic reflectivity technique: theory},
-	Volume = {72},
-	Year = {1983}}
+        Author = {D. C. Booth and S. Crampin},
+        Journal = {Geophys. J. R. Astr. Soc.},
+        Pages = {755-766},
+        Title = {The anisotropic reflectivity technique: theory},
+        Volume = {72},
+        Year = {1983}}
 
 @article{Bos91,
-	Author = {L. Bos},
-	Journal = {J. Approx. Theory},
-	Pages = {271-280},
-	Title = {On certain configurations of points in {{\rm I\kern -0.18 em R}$^n$} which are unisolvent for polynomial interpolation},
-	Volume = {64},
-	Year = {1991}}
+        Author = {L. Bos},
+        Journal = {J. Approx. Theory},
+        Pages = {271-280},
+        Title = {On certain configurations of points in {{\rm I\kern -0.18 em R}$^n$} which are unisolvent for polynomial interpolation},
+        Volume = {64},
+        Year = {1991}}
 
 @article{BoTaWi01,
-	Author = {L. P. Bos and M. A. Taylor and B. A. Wingate},
-	Journal = {Math. Comp.},
-	Pages = {1543-1547},
-	Title = {Tensor Product {G}auss-{L}obatto Points are {F}ekete Points for the Cube},
-	Volume = {70},
-	Year = {2001}}
+        Author = {L. P. Bos and M. A. Taylor and B. A. Wingate},
+        Journal = {Math. Comp.},
+        Pages = {1543-1547},
+        Title = {Tensor Product {G}auss-{L}obatto Points are {F}ekete Points for the Cube},
+        Volume = {70},
+        Year = {2001}}
 
 @article{BoGriMia,
-	Author = {A. Bossavit and G. Griso and B. Miara},
-	Journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
-	Number = {7},
-	Pages = {819-850},
-	Title = {Modelling of periodic electromagnetic structures bianosotropic materials with memory effects},
-	Volume = {84},
-	Year = {2005}}
+        Author = {A. Bossavit and G. Griso and B. Miara},
+        Journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
+        Number = {7},
+        Pages = {819-850},
+        Title = {Modelling of periodic electromagnetic structures bianosotropic materials with memory effects},
+        Volume = {84},
+        Year = {2005}}
 
 @article{Bos02,
-	Author = {M. G. Bostock},
-	Journal = gji,
-	Pages = {787-795},
-	Title = {Kirchhoff-approximate inversion of teleseismic wavefields},
-	Volume = {149},
-	Year = {2002}}
+        Author = {M. G. Bostock},
+        Journal = gji,
+        Pages = {787-795},
+        Title = {Kirchhoff-approximate inversion of teleseismic wavefields},
+        Volume = {149},
+        Year = {2002}}
 
 @article{BoRo99,
-	Author = {M. G. Bostock and S. Rondenay},
-	Journal = gji,
-	Pages = {732-746},
-	Title = {Migration of scattered teleseismic body waves},
-	Volume = {137},
-	Year = {1999}}
+        Author = {M. G. Bostock and S. Rondenay},
+        Journal = gji,
+        Pages = {732-746},
+        Title = {Migration of scattered teleseismic body waves},
+        Volume = {137},
+        Year = {1999}}
 
 @article{BoRoSh01,
-	Author = {M. G. Bostock and S. Rondenay and J. Shragge},
-	Journal = jgr,
-	Pages = {30771-30782},
-	Title = {Multiparameter two-dimensional inversion of scattered teleseismic body waves - 1. {T}heory for oblique incidence},
-	Volume = {106},
-	Year = {2001}}
+        Author = {M. G. Bostock and S. Rondenay and J. Shragge},
+        Journal = jgr,
+        Pages = {30771-30782},
+        Title = {Multiparameter two-dimensional inversion of scattered teleseismic body waves - 1. {T}heory for oblique incidence},
+        Volume = {106},
+        Year = {2001}}
 
 @article{Bou96,
-	Author = {M. Bouchon},
-	Journal = pageoph,
-	Number = {1},
-	Pages = {3-20},
-	Title = {The discrete wave number formulation of boundary integral equations and boundary element methods: a review with applications to the simulation of seismic wave propagation in complex geological structures},
-	Volume = {148},
-	Year = {1996}}
+        Author = {M. Bouchon},
+        Journal = pageoph,
+        Number = {1},
+        Pages = {3-20},
+        Title = {The discrete wave number formulation of boundary integral equations and boundary element methods: a review with applications to the simulation of seismic wave propagation in complex geological structures},
+        Volume = {148},
+        Year = {1996}}
 
 @article{Bou85,
-	Author = {M. Bouchon},
-	Journal = jasa,
-	Pages = {1-5},
-	Title = {A simple complete numerical solution of the problem of diffraction of {{\it SH}} waves by an irregular surface},
-	Volume = {77},
-	Year = {1985}}
+        Author = {M. Bouchon},
+        Journal = jasa,
+        Pages = {1-5},
+        Title = {A simple complete numerical solution of the problem of diffraction of {{\it SH}} waves by an irregular surface},
+        Volume = {77},
+        Year = {1985}}
 
 @article{Bou81,
-	Author = {M. Bouchon},
-	Journal = bssa,
-	Pages = {959-971},
-	Title = {A simple method to calculate {G}reen's functions for elastic layered media},
-	Volume = {71},
-	Year = {1981}}
+        Author = {M. Bouchon},
+        Journal = bssa,
+        Pages = {959-971},
+        Title = {A simple method to calculate {G}reen's functions for elastic layered media},
+        Volume = {71},
+        Year = {1981}}
 
 @article{Bou79,
-	Author = {M. Bouchon},
-	Journal = jgr,
-	Pages = {3609-3614},
-	Title = {Discrete wavenumber representation of elastic wave fields in three space dimensions},
-	Volume = {84},
-	Year = {1979}}
+        Author = {M. Bouchon},
+        Journal = jgr,
+        Pages = {3609-3614},
+        Title = {Discrete wavenumber representation of elastic wave fields in three space dimensions},
+        Volume = {84},
+        Year = {1979}}
 
 @article{Bou78,
-	Author = {M. Bouchon},
-	Journal = bssa,
-	Pages = {1293-1311},
-	Title = {The importance of the surface interface {{\it P}} wave in near-earthquake studies},
-	Volume = {68},
-	Year = {1978}}
+        Author = {M. Bouchon},
+        Journal = bssa,
+        Pages = {1293-1311},
+        Title = {The importance of the surface interface {{\it P}} wave in near-earthquake studies},
+        Volume = {68},
+        Year = {1978}}
 
 @article{Bou73,
-	Author = {M. Bouchon},
-	Journal = bssa,
-	Pages = {615-632},
-	Title = {Effect of topography on surface motion},
-	Volume = {63},
-	Year = {1973}}
+        Author = {M. Bouchon},
+        Journal = bssa,
+        Pages = {615-632},
+        Title = {Effect of topography on surface motion},
+        Volume = {63},
+        Year = {1973}}
 
 @article{BoAk77,
-	Author = {M. Bouchon and K. Aki},
-	Journal = bssa,
-	Pages = {259-277},
-	Title = {Discrete wavenumber representation of seismic-source wave fields},
-	Volume = {67},
-	Year = {1977}}
+        Author = {M. Bouchon and K. Aki},
+        Journal = bssa,
+        Pages = {259-277},
+        Title = {Discrete wavenumber representation of seismic-source wave fields},
+        Volume = {67},
+        Year = {1977}}
 
 @article{BoBa96,
-	Author = {M. Bouchon and J. S. Barker},
-	Journal = bssa,
-	Number = {1A},
-	Pages = {66-72},
-	Title = {Seismic response of a hill: the example of {T}arzana, {C}alifornia},
-	Volume = {86},
-	Year = {1996}}
+        Author = {M. Bouchon and J. S. Barker},
+        Journal = bssa,
+        Number = {1A},
+        Pages = {66-72},
+        Title = {Seismic response of a hill: the example of {T}arzana, {C}alifornia},
+        Volume = {86},
+        Year = {1996}}
 
 @article{BoCaGa89,
-	Author = {M. Bouchon and M. Campillo and S. Gaffet},
-	Journal = geophysics,
-	Pages = {1134-1140},
-	Title = {A boundary integral equation-discrete wavenumber representation method to study wave propagation in multilayered media having irregular interfaces},
-	Volume = {54},
-	Year = {1989}}
+        Author = {M. Bouchon and M. Campillo and S. Gaffet},
+        Journal = geophysics,
+        Pages = {1134-1140},
+        Title = {A boundary integral equation-discrete wavenumber representation method to study wave propagation in multilayered media having irregular interfaces},
+        Volume = {54},
+        Year = {1989}}
 
 @incollection{BoSanchez06,
-	Author = {M. Bouchon and F. J. S\'anchez-Sesma},
-	Booktitle = {Advances in wave propagation in heterogeneous media},
-	Editor = {Ru-Shan Wu and Val\'erie Maupin},
-	Publisher = {Elsevier},
-	Series = {Advances in Geophysics},
-	Title = {Boundary-integral equations and boundary-element methods in elastodynamics},
-	Year = {2006}}
+        Author = {M. Bouchon and F. J. S\'anchez-Sesma},
+        Booktitle = {Advances in wave propagation in heterogeneous media},
+        Editor = {Ru-Shan Wu and Val\'erie Maupin},
+        Publisher = {Elsevier},
+        Series = {Advances in Geophysics},
+        Title = {Boundary-integral equations and boundary-element methods in elastodynamics},
+        Year = {2006}}
 
 @article{BoScTo96,
-	Author = {M. Bouchon and C. A. Schultz and M. Nafi T\"oksoz},
-	Journal = jgr,
-	Pages = {5835-5846},
-	Title = {Effect of three-dimensional topography on seismic motion},
-	Volume = {101},
-	Year = {1996}}
+        Author = {M. Bouchon and C. A. Schultz and M. Nafi T\"oksoz},
+        Journal = jgr,
+        Pages = {5835-5846},
+        Title = {Effect of three-dimensional topography on seismic motion},
+        Volume = {101},
+        Year = {1996}}
 
 @article{BoScTo95,
-	Author = {M. Bouchon and C. A. Schultz and M. Nafi T\"oksoz},
-	Journal = bssa,
-	Pages = {1679-1687},
-	Title = {A fast implementation of boundary integral equation methods to calculate the propagation of seismic waves in laterally varying layered media},
-	Volume = {85},
-	Year = {1995}}
+        Author = {M. Bouchon and C. A. Schultz and M. Nafi T\"oksoz},
+        Journal = bssa,
+        Pages = {1679-1687},
+        Title = {A fast implementation of boundary integral equation methods to calculate the propagation of seismic waves in laterally varying layered media},
+        Volume = {85},
+        Year = {1995}}
 
 @phdthesis{ab,
-	Address = {Nantes, France},
-	Author = {A. Bouhamidi},
-	Note = {190 p.},
-	School = {Universit\'e de Nantes},
-	Title = {Interpolation et approximation par des fonctions splines radiales \`a plusieurs variables},
-	Year = {1992}}
+        Address = {Nantes, France},
+        Author = {A. Bouhamidi},
+        Note = {190 p.},
+        School = {Universit\'e de Nantes},
+        Title = {Interpolation et approximation par des fonctions splines radiales \`a plusieurs variables},
+        Year = {1992}}
 
 @book{BouHay93,
-	Address = {London, United Kingdom},
-	Author = {Ph. Boulanger and M. Hayes},
-	Publisher = {Chapman and Hall},
-	Title = {Bivectors and waves in {M}echanics and {O}ptics},
-	Year = {1993}}
+        Address = {London, United Kingdom},
+        Author = {Ph. Boulanger and M. Hayes},
+        Publisher = {Chapman and Hall},
+        Title = {Bivectors and waves in {M}echanics and {O}ptics},
+        Year = {1993}}
 
 @article{brandvik_pullan_euler_2d,
-	Author = {Tobias Brandvik and Graham Pullan},
-	Doi = {10.1243/09544062JMES813FT},
-	Journal = {Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science},
-	Number = {12},
-	Pages = {1745--1748},
-	Title = {Acceleration of a two-dimensional {E}uler flow solver using commodity Graphics Hardware},
-	Volume = {221},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1243/09544062JMES813FT}}
+        Author = {Tobias Brandvik and Graham Pullan},
+        Doi = {10.1243/09544062JMES813FT},
+        Journal = {Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science},
+        Number = {12},
+        Pages = {1745--1748},
+        Title = {Acceleration of a two-dimensional {E}uler flow solver using commodity Graphics Hardware},
+        Volume = {221},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1243/09544062JMES813FT}}
 
 @book{BreGod90,
-	Address = {Berlin, Germany},
-	Author = {L. M. Brekhovskikh and O. A. Godin},
-	Publisher = {Springer-Verlag},
-	Series = {Springer Series on Wave phenomena},
-	Title = {Acoustics of layered media {I}},
-	Volume = {5},
-	Year = {1990}}
+        Address = {Berlin, Germany},
+        Author = {L. M. Brekhovskikh and O. A. Godin},
+        Publisher = {Springer-Verlag},
+        Series = {Springer Series on Wave phenomena},
+        Title = {Acoustics of layered media {I}},
+        Volume = {5},
+        Year = {1990}}
 
 @article{Bremmer,
-	Author = {H. Bremmer},
-	Journal = {Comm. Pure Appl. Math.},
-	Pages = {105-115},
-	Title = {The {WKB} approximation as the first term of a geometric-optical series},
-	Volume = {9999999},
-	Year = {1951}}
+        Author = {H. Bremmer},
+        Journal = {Comm. Pure Appl. Math.},
+        Pages = {105-115},
+        Title = {The {WKB} approximation as the first term of a geometric-optical series},
+        Volume = {9999999},
+        Year = {1951}}
 
 @incollection{brezzifortin,
-	Address = {New York, USA},
-	Author = {F. Brezzi and M. Fortin},
-	Booktitle = {Springer Series in Computational Mathematics},
-	Publisher = {Springer},
-	Title = {Mixed and Hybrid Finite Element Methods},
-	Volume = {15},
-	Year = {1991}}
+        Address = {New York, USA},
+        Author = {F. Brezzi and M. Fortin},
+        Booktitle = {Springer Series in Computational Mathematics},
+        Publisher = {Springer},
+        Title = {Mixed and Hybrid Finite Element Methods},
+        Volume = {15},
+        Year = {1991}}
 
 @book{Bri64,
-	Address = {New York, USA},
-	Author = {L. Brillouin},
-	Edition = {3rd},
-	Publisher = {Academic Press},
-	Title = {Tensors in Mechanics and Elasticity},
-	Year = {1964}}
+        Address = {New York, USA},
+        Author = {L. Brillouin},
+        Edition = {3rd},
+        Publisher = {Academic Press},
+        Title = {Tensors in Mechanics and Elasticity},
+        Year = {1964}}
 
 @article{Buc61,
-	Author = {V. T. Buchwald},
-	Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
-	Number = {4},
-	Pages = {461-468},
-	Title = {Rayleigh waves in anisotropic media},
-	Volume = {14},
-	Year = {1961}}
+        Author = {V. T. Buchwald},
+        Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
+        Number = {4},
+        Pages = {461-468},
+        Title = {Rayleigh waves in anisotropic media},
+        Volume = {14},
+        Year = {1961}}
 
 @article{Buc59,
-	Author = {V. T. Buchwald},
-	Journal = {Proceedings of the Royal Society of London, United Kingdom},
-	Pages = {563-580},
-	Title = {Elastic waves in anisotropic media},
-	Volume = {A253},
-	Year = {1959}}
+        Author = {V. T. Buchwald},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {563-580},
+        Title = {Elastic waves in anisotropic media},
+        Volume = {A253},
+        Year = {1959}}
 
 @article{BucDav63,
-	Author = {V. T. Buchwald and A. Davis},
-	Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
-	Pages = {283-293},
-	Title = {Surface waves in elastic media with cubic symmetry},
-	Volume = {16},
-	Year = {1963}}
+        Author = {V. T. Buchwald and A. Davis},
+        Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
+        Pages = {283-293},
+        Title = {Surface waves in elastic media with cubic symmetry},
+        Volume = {16},
+        Year = {1963}}
 
 @inproceedings{Buc06,
-	Author = {Ian Buck},
-	Booktitle = {Proceedings of the Supercomputing'06 Workshop on "General-Purpose GPU Computing: Practice And Experience"},
-	Pages = {1-29},
-	Title = {Ge{F}orce 8800 and {NVIDIA CUDA}: A New Architecture for Computing on the {GPU}},
-	Url = {www.gpgpu.org/sc2006/workshop/presentations/Buck\_NVIDIA\_Cuda.pdf},
-	Year = {2006},
-	Bdsk-Url-1 = {www.gpgpu.org/sc2006/workshop/presentations/Buck%5C_NVIDIA%5C_Cuda.pdf}}
+        Author = {Ian Buck},
+        Booktitle = {Proceedings of the Supercomputing'06 Workshop on "General-Purpose GPU Computing: Practice And Experience"},
+        Pages = {1-29},
+        Title = {Ge{F}orce 8800 and {NVIDIA CUDA}: A New Architecture for Computing on the {GPU}},
+        Url = {www.gpgpu.org/sc2006/workshop/presentations/Buck\_NVIDIA\_Cuda.pdf},
+        Year = {2006},
+        Bdsk-Url-1 = {www.gpgpu.org/sc2006/workshop/presentations/Buck%5C_NVIDIA%5C_Cuda.pdf}}
 
 @article{Buck:2004:BFG,
-	Author = {Ian Buck and Tim Foley and Daniel R. Horn and Jeremy Sugerman and Kayvon Fatahalian and Mike Houston and Pat Hanrahan},
-	Doi = {10.1145/1015706.1015800},
-	Journal = {ACM Transactions on Graphics},
-	Month = aug,
-	Number = {3},
-	Pages = {777--786},
-	Title = {Brook for {GPUs}: {S}tream computing on graphics hardware},
-	Volume = {23},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1015706.1015800}}
+        Author = {Ian Buck and Tim Foley and Daniel R. Horn and Jeremy Sugerman and Kayvon Fatahalian and Mike Houston and Pat Hanrahan},
+        Doi = {10.1145/1015706.1015800},
+        Journal = {ACM Transactions on Graphics},
+        Month = aug,
+        Number = {3},
+        Pages = {777--786},
+        Title = {Brook for {GPUs}: {S}tream computing on graphics hardware},
+        Volume = {23},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1015706.1015800}}
 
 @article{Bur71,
-	Author = {R. Burridge},
-	Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
-	Number = {1},
-	Pages = {81-98},
-	Title = {Lamb's problem for an anisotropic half-space},
-	Volume = {24},
-	Year = {1971}}
+        Author = {R. Burridge},
+        Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
+        Number = {1},
+        Pages = {81-98},
+        Title = {Lamb's problem for an anisotropic half-space},
+        Volume = {24},
+        Year = {1971}}
 
 @article{Bur70,
-	Author = {R. Burridge},
-	Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
-	Number = {2},
-	Pages = {217-224},
-	Title = {The directions in which {R}ayleigh waves may be propagated on crystals},
-	Volume = {23},
-	Year = {1970}}
+        Author = {R. Burridge},
+        Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
+        Number = {2},
+        Pages = {217-224},
+        Title = {The directions in which {R}ayleigh waves may be propagated on crystals},
+        Volume = {23},
+        Year = {1970}}
 
 @book{Cag39,
-	Address = {Paris},
-	Author = {L. Cagniard},
-	Publisher = {Gauthiers-Villars},
-	Title = {R\'eflexion et R\'efraction des Ondes Sismiques Progressives},
-	Year = {1939}}
+        Address = {Paris},
+        Author = {L. Cagniard},
+        Publisher = {Gauthiers-Villars},
+        Title = {R\'eflexion et R\'efraction des Ondes Sismiques Progressives},
+        Year = {1939}}
 
 @phdthesis{Calvet_thesis,
-	Author = {M. Calvet},
-	School = {Universit\'e Paul Sabatier, Toulouse, France},
-	Title = {Apport des noyaux de sensibilit\'e des ondes {PKP} et {P} diffract\'ees pour l'\'etude de la graine anisotrope et de la couche {D}''},
-	Year = {2006}}
+        Author = {M. Calvet},
+        School = {Universit\'e Paul Sabatier, Toulouse, France},
+        Title = {Apport des noyaux de sensibilit\'e des ondes {PKP} et {P} diffract\'ees pour l'\'etude de la graine anisotrope et de la couche {D}''},
+        Year = {2006}}
 
 @article{Calvet05,
-	Author = {M. Calvet and S. Chevrot},
-	Journal = pepi,
-	Pages = {21-31},
-	Title = {Traveltime sensitivity kernels for {PKP} phases in the mantle},
-	Volume = {153},
-	Year = {2005}}
+        Author = {M. Calvet and S. Chevrot},
+        Journal = pepi,
+        Pages = {21-31},
+        Title = {Traveltime sensitivity kernels for {PKP} phases in the mantle},
+        Volume = {153},
+        Year = {2005}}
 
 @article{Calvet06a,
-	Author = {M. Calvet and S. Chevrot and A. Souriau},
-	Journal = pepi,
-	Pages = {12-20},
-	Title = {P wave propagation in transversely isotropic media: {I}. {F}inite-frequency theory},
-	Volume = {156},
-	Year = {2006}}
+        Author = {M. Calvet and S. Chevrot and A. Souriau},
+        Journal = pepi,
+        Pages = {12-20},
+        Title = {P wave propagation in transversely isotropic media: {I}. {F}inite-frequency theory},
+        Volume = {156},
+        Year = {2006}}
 
 @article{Calvet06b,
-	Author = {M. Calvet and S. Chevrot and A. Souriau},
-	Journal = pepi,
-	Pages = {21-40},
-	Title = {P wave propagation in transversely isotropic media: {II}. {A}pplication to inner core anisotropy: {E}ffects of data averaging, parameterization and a priori information},
-	Volume = {156},
-	Year = {2006}}
+        Author = {M. Calvet and S. Chevrot and A. Souriau},
+        Journal = pepi,
+        Pages = {21-40},
+        Title = {P wave propagation in transversely isotropic media: {II}. {A}pplication to inner core anisotropy: {E}ffects of data averaging, parameterization and a priori information},
+        Volume = {156},
+        Year = {2006}}
 
 @article{CamMar83,
-	Author = {R. E. Camley and A. A. Maradudin},
-	Journal = {Physical Review B},
-	Number = {4},
-	Pages = {1959-1964},
-	Title = {Phonon focusing at surfaces},
-	Volume = {27},
-	Year = {1983}}
+        Author = {R. E. Camley and A. A. Maradudin},
+        Journal = {Physical Review B},
+        Number = {4},
+        Pages = {1959-1964},
+        Title = {Phonon focusing at surfaces},
+        Volume = {27},
+        Year = {1983}}
 
 @article{Cam87,
-	Author = {M. Campillo},
-	Journal = jgr,
-	Pages = {12604-12614},
-	Title = {{$L_g$} wave propagation in a laterally varying crust and the distribution of the apparent quality factor in {C}entre {F}rance},
-	Volume = {92},
-	Year = {1987}}
+        Author = {M. Campillo},
+        Journal = jgr,
+        Pages = {12604-12614},
+        Title = {{$L_g$} wave propagation in a laterally varying crust and the distribution of the apparent quality factor in {C}entre {F}rance},
+        Volume = {92},
+        Year = {1987}}
 
 @article{CaBo85,
-	Author = {M. Campillo and M. Bouchon},
-	Journal = gjras,
-	Pages = {307-317},
-	Title = {Synthetic {{\it SH}} seismograms in laterally varying medium by discrete wavenumber method},
-	Volume = {83},
-	Year = {1985}}
+        Author = {M. Campillo and M. Bouchon},
+        Journal = gjras,
+        Pages = {307-317},
+        Title = {Synthetic {{\it SH}} seismograms in laterally varying medium by discrete wavenumber method},
+        Volume = {83},
+        Year = {1985}}
 
 @incollection{CaDo99,
-	Address = {Nashville, Tennessee, USA},
-	Author = {E. J. Cand\`es and D. L. Donoho},
-	Booktitle = {Curve and Surface Fitting},
-	Editor = {A. Cohen and C. Rabut and L. L. Schumaker},
-	Publisher = {Vanderbilt University Press},
-	Title = {Curvelets: A Surprisingly Effective Nonadaptive Representation for Objects with Edges, Curves and Surfaces},
-	Year = {1999}}
+        Address = {Nashville, Tennessee, USA},
+        Author = {E. J. Cand\`es and D. L. Donoho},
+        Booktitle = {Curve and Surface Fitting},
+        Editor = {A. Cohen and C. Rabut and L. L. Schumaker},
+        Publisher = {Vanderbilt University Press},
+        Title = {Curvelets: A Surprisingly Effective Nonadaptive Representation for Objects with Edges, Curves and Surfaces},
+        Year = {1999}}
 
 @article{CaFu88,
-	Author = {C. Canuto and D. Funaro},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Pages = {24-40},
-	Title = {The {S}chwarz algorithm for spectral methods},
-	Volume = {25},
-	Year = {1988}}
+        Author = {C. Canuto and D. Funaro},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Pages = {24-40},
+        Title = {The {S}chwarz algorithm for spectral methods},
+        Volume = {25},
+        Year = {1988}}
 
 @book{CaHuQuZa88,
-	Address = {New York, USA},
-	Author = {C. Canuto and M. Y. Hussaini and A. Quarteroni and T. A. Zang},
-	Publisher = {Springer-Verlag},
-	Title = {Spectral methods in fluid dynamics},
-	Year = {1988}}
+        Address = {New York, USA},
+        Author = {C. Canuto and M. Y. Hussaini and A. Quarteroni and T. A. Zang},
+        Publisher = {Springer-Verlag},
+        Title = {Spectral methods in fluid dynamics},
+        Year = {1988}}
 
 @article{CaQu82,
-	Author = {C. Canuto and A. Quarteroni},
-	Journal = {Math. Comp.},
-	Pages = {67-86},
-	Title = {Approximation results for orthogonal polynomials in {S}obolev spaces},
-	Volume = {38},
-	Year = {1982}}
+        Author = {C. Canuto and A. Quarteroni},
+        Journal = {Math. Comp.},
+        Pages = {67-86},
+        Title = {Approximation results for orthogonal polynomials in {S}obolev spaces},
+        Volume = {38},
+        Year = {1982}}
 
 @phdthesis{Ca00,
-	Address = {Paris, France},
-	Author = {Y. Capdeville},
-	School = {Universit\'e Paris {\sc VII} Denis Diderot},
-	Title = {M\'ethode coupl\'ee \'el\'ements spectraux - solution modale pour la propagation d'ondes dans la {T}erre \`a l'\'echelle globale ({A} coupled method using spectral elements and normal modes for global wave propagation in the {E}arth)},
-	Year = {2000}}
+        Address = {Paris, France},
+        Author = {Y. Capdeville},
+        School = {Universit\'e Paris {\sc VII} Denis Diderot},
+        Title = {M\'ethode coupl\'ee \'el\'ements spectraux - solution modale pour la propagation d'ondes dans la {T}erre \`a l'\'echelle globale ({A} coupled method using spectral elements and normal modes for global wave propagation in the {E}arth)},
+        Year = {2000}}
 
 @article{CaChViMo03,
-	Author = {Y. Capdeville and E. Chaljub and J. P. Vilotte and J. P. Montagner},
-	Journal = gji,
-	Pages = {34-67},
-	Title = {Coupling the spectral element method with a modal solution for elastic wave propagation in global {E}arth models},
-	Volume = {152},
-	Year = {2003}}
+        Author = {Y. Capdeville and E. Chaljub and J. P. Vilotte and J. P. Montagner},
+        Journal = gji,
+        Pages = {34-67},
+        Title = {Coupling the spectral element method with a modal solution for elastic wave propagation in global {E}arth models},
+        Volume = {152},
+        Year = {2003}}
 
 @article{CaGuRo05,
-	Author = {Y. Capdeville and Y. Gung and B. Romanowicz},
-	Journal = gji,
-	Pages = {541-554},
-	Title = {Towards global {E}arth tomography using the spectral element method: a technique based on source stacking},
-	Volume = {162},
-	Year = {2005}}
+        Author = {Y. Capdeville and Y. Gung and B. Romanowicz},
+        Journal = gji,
+        Pages = {541-554},
+        Title = {Towards global {E}arth tomography using the spectral element method: a technique based on source stacking},
+        Volume = {162},
+        Year = {2005}}
 
 @article{Caetal00,
-	Author = {Y. Capdeville and E. Stutzmann and J.P. Montagner},
-	Journal = pepi,
-	Pages = {54-71},
-	Title = {Effect of a plume on long-period surface waves computed with normal-mode coupling},
-	Volume = {119},
-	Year = {2000}}
+        Author = {Y. Capdeville and E. Stutzmann and J.P. Montagner},
+        Journal = pepi,
+        Pages = {54-71},
+        Title = {Effect of a plume on long-period surface waves computed with normal-mode coupling},
+        Volume = {119},
+        Year = {2000}}
 
 @article{CaToRo03,
-	Author = {Yann Capdeville and A. To and Barbara Romanowicz},
-	Journal = gji,
-	Pages = {44-57},
-	Title = {Coupling spectral elements and modes in a spherical {E}arth: an extension to the `sandwich' case},
-	Volume = {154},
-	Year = {2003}}
+        Author = {Yann Capdeville and A. To and Barbara Romanowicz},
+        Journal = gji,
+        Pages = {44-57},
+        Title = {Coupling spectral elements and modes in a spherical {E}arth: an extension to the `sandwich' case},
+        Volume = {154},
+        Year = {2003}}
 
 @book{Car07,
-	Address = {Amsterdam, The Netherlands},
-	Author = {Jos\'e M. Carcione},
-	Edition = {Second},
-	Publisher = {Elsevier Science},
-	Title = {Wave fields in real media: {T}heory and numerical simulation of wave propagation in anisotropic, anelastic, porous and electromagnetic media},
-	Year = {2007}}
+        Address = {Amsterdam, The Netherlands},
+        Author = {Jos\'e M. Carcione},
+        Edition = {Second},
+        Publisher = {Elsevier Science},
+        Title = {Wave fields in real media: {T}heory and numerical simulation of wave propagation in anisotropic, anelastic, porous and electromagnetic media},
+        Year = {2007}}
 
 @article{Car99,
-	Author = {J. M. Carcione},
-	Journal = geophysics,
-	Pages = {1863-1866},
-	Title = {Staggered mesh for the anisotropic and viscoelastic wave equation},
-	Volume = {64},
-	Year = {1999}}
+        Author = {J. M. Carcione},
+        Journal = geophysics,
+        Pages = {1863-1866},
+        Title = {Staggered mesh for the anisotropic and viscoelastic wave equation},
+        Volume = {64},
+        Year = {1999}}
 
 @article{Car96,
-	Author = {J. M. Carcione},
-	Journal = cmame,
-	Pages = {33-45},
-	Title = {A 2{D} {C}hebyshev differential operator for the elastic wave equation},
-	Volume = {130},
-	Year = {1996}}
+        Author = {J. M. Carcione},
+        Journal = cmame,
+        Pages = {33-45},
+        Title = {A 2{D} {C}hebyshev differential operator for the elastic wave equation},
+        Volume = {130},
+        Year = {1996}}
 
 @article{Carcio96,
-	Author = {J. M. Carcione},
-	Journal = jgr,
-	Number = {B12},
-	Pages = {28177-28188},
-	Title = {Elastodynamic of a non-ideal interface: application to crack and fracture scattering},
-	Volume = {101},
-	Year = {1996}}
+        Author = {J. M. Carcione},
+        Journal = jgr,
+        Number = {B12},
+        Pages = {28177-28188},
+        Title = {Elastodynamic of a non-ideal interface: application to crack and fracture scattering},
+        Volume = {101},
+        Year = {1996}}
 
 @article{Car94,
-	Author = {J. M. Carcione},
-	Journal = geophysics,
-	Pages = {1911-1919},
-	Title = {The wave equation in generalized coordinates},
-	Volume = {59},
-	Year = {1994}}
+        Author = {J. M. Carcione},
+        Journal = geophysics,
+        Pages = {1911-1919},
+        Title = {The wave equation in generalized coordinates},
+        Volume = {59},
+        Year = {1994}}
 
 @article{Car93,
-	Author = {Jos\'e M. Carcione},
-	Doi = {10.1190/1.1443340},
-	Journal = geophysics,
-	Number = {1},
-	Pages = {110-120},
-	Title = {Seismic modeling in viscoelastic media},
-	Volume = {58},
-	Year = {1993},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1443340}}
+        Author = {Jos\'e M. Carcione},
+        Doi = {10.1190/1.1443340},
+        Journal = geophysics,
+        Number = {1},
+        Pages = {110-120},
+        Title = {Seismic modeling in viscoelastic media},
+        Volume = {58},
+        Year = {1993},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1443340}}
 
 @article{Car92,
-	Author = {J. M. Carcione},
-	Journal = {Geophysics},
-	Number = {6},
-	Pages = {781-792},
-	Title = {Modeling anelastic singular surface waves in the {E}arth},
-	Volume = {57},
-	Year = {1992}}
+        Author = {J. M. Carcione},
+        Journal = {Geophysics},
+        Number = {6},
+        Pages = {781-792},
+        Title = {Modeling anelastic singular surface waves in the {E}arth},
+        Volume = {57},
+        Year = {1992}}
 
 @article{Car91,
-	Author = {J. M. Carcione},
-	Journal = {J. Sci. Comp.},
-	Number = {4},
-	Pages = {453-472},
-	Title = {Domain decomposition for wave propagation problems},
-	Volume = {6},
-	Year = {1991}}
+        Author = {J. M. Carcione},
+        Journal = {J. Sci. Comp.},
+        Number = {4},
+        Pages = {453-472},
+        Title = {Domain decomposition for wave propagation problems},
+        Volume = {6},
+        Year = {1991}}
 
 @article{Car90,
-	Author = {J. M. Carcione},
-	Journal = gji,
-	Pages = {739-750},
-	Title = {Wave propagation in anisotropic linear viscoelastic media: theory and simulated wavefields},
-	Volume = {101},
-	Year = {1990}}
+        Author = {J. M. Carcione},
+        Journal = gji,
+        Pages = {739-750},
+        Title = {Wave propagation in anisotropic linear viscoelastic media: theory and simulated wavefields},
+        Volume = {101},
+        Year = {1990}}
 
 @article{CarHel04,
-	Author = {J. M. Carcione and H. B. Helle},
-	Journal = {Geophysics},
-	Pages = {825-839},
-	Title = {On the physics and simulation of wave propagation at the ocean bottom},
-	Volume = {69},
-	Year = {2004}}
+        Author = {J. M. Carcione and H. B. Helle},
+        Journal = {Geophysics},
+        Pages = {825-839},
+        Title = {On the physics and simulation of wave propagation at the ocean bottom},
+        Volume = {69},
+        Year = {2004}}
 
 @article{CaHeKr02,
-	Author = {J. M. Carcione and G. Herman and F. P. E. {ten Kroode}},
-	Journal = geophysics,
-	Pages = {1304-1325},
-	Title = {Seismic modeling},
-	Volume = {67},
-	Year = {2002}}
+        Author = {J. M. Carcione and G. Herman and F. P. E. {ten Kroode}},
+        Journal = geophysics,
+        Pages = {1304-1325},
+        Title = {Seismic modeling},
+        Volume = {67},
+        Year = {2002}}
 
 @article{CaKoBeSe92,
-	Author = {J. M. Carcione and D. Kosloff and A. Behle and G. Seriani},
-	Journal = geophysics,
-	Number = {12},
-	Pages = {1593-1607},
-	Title = {A spectral scheme for wave propagation simulation in 3-{D} elastic-anisotropic media},
-	Volume = {57},
-	Year = {1992}}
+        Author = {J. M. Carcione and D. Kosloff and A. Behle and G. Seriani},
+        Journal = geophysics,
+        Number = {12},
+        Pages = {1593-1607},
+        Title = {A spectral scheme for wave propagation simulation in 3-{D} elastic-anisotropic media},
+        Volume = {57},
+        Year = {1992}}
 
 @article{CaKoKo88,
-	Author = {J. M. Carcione and D. Kosloff and R. Kosloff},
-	Journal = {Q. J. Mech. Appl. Math.},
-	Number = {3},
-	Pages = {319-345},
-	Title = {Wave propagation simulation in an elastic anisotropic (transversely isotropic) solid},
-	Volume = {41},
-	Year = {1988}}
+        Author = {J. M. Carcione and D. Kosloff and R. Kosloff},
+        Journal = {Q. J. Mech. Appl. Math.},
+        Number = {3},
+        Pages = {319-345},
+        Title = {Wave propagation simulation in an elastic anisotropic (transversely isotropic) solid},
+        Volume = {41},
+        Year = {1988}}
 
 @article{CaKoKo88b,
-	Author = {J. M. Carcione and D. Kosloff and R. Kosloff},
-	Journal = gji,
-	Pages = {597-611},
-	Title = {Wave propagation simulation in a linear viscoelastic medium},
-	Volume = {95},
-	Year = {1988}}
+        Author = {J. M. Carcione and D. Kosloff and R. Kosloff},
+        Journal = gji,
+        Pages = {597-611},
+        Title = {Wave propagation simulation in a linear viscoelastic medium},
+        Volume = {95},
+        Year = {1988}}
 
 @article{CaPoGe04,
-	Author = {J. M. Carcione and F. Poletto and D. Gei},
-	Journal = jcp,
-	Pages = {282-297},
-	Title = {3-{D} wave simulation in anelastic media using the {K}elvin-{V}oigt constitutive equation},
-	Volume = {196},
-	Year = {2004}}
+        Author = {J. M. Carcione and F. Poletto and D. Gei},
+        Journal = jcp,
+        Pages = {282-297},
+        Title = {3-{D} wave simulation in anelastic media using the {K}elvin-{V}oigt constitutive equation},
+        Volume = {196},
+        Year = {2004}}
 
 @article{CaWa93,
-	Author = {J. M. Carcione and P. J. Wang},
-	Journal = {Comp. Fluid Dyn. J.},
-	Pages = {269-290},
-	Title = {A {C}hebyshev Collocation Method for the Wave Equation in Generalized Coordinates},
-	Volume = {2},
-	Year = {1993}}
+        Author = {J. M. Carcione and P. J. Wang},
+        Journal = {Comp. Fluid Dyn. J.},
+        Pages = {269-290},
+        Title = {A {C}hebyshev Collocation Method for the Wave Equation in Generalized Coordinates},
+        Volume = {2},
+        Year = {1993}}
 
 @article{CaKoLaTiMiLeSnTr08,
-	Author = {Laura Carrington and Dimitri Komatitsch and Michael Laurenzano and Mustafa Tikir and David Mich\'ea and Nicolas {Le Goff} and Allan Snavely and Jeroen Tromp},
-	Doi = {10.1145/1413370.1413432},
-	Journal = {Proceedings of the ACM/IEEE Supercomputing SC'2008 conference},
-	Note = {Article \#60, {G}ordon {B}ell {P}rize finalist article},
-	Pages = {1-11},
-	Title = {High-frequency simulations of global seismic wave propagation using {SPECFEM3D\_GLOBE} on 62 thousand processor cores},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1413370.1413432}}
+        Author = {Laura Carrington and Dimitri Komatitsch and Michael Laurenzano and Mustafa Tikir and David Mich\'ea and Nicolas {Le Goff} and Allan Snavely and Jeroen Tromp},
+        Doi = {10.1145/1413370.1413432},
+        Journal = {Proceedings of the ACM/IEEE Supercomputing SC'2008 conference},
+        Note = {Article \#60, {G}ordon {B}ell {P}rize finalist article},
+        Pages = {1-11},
+        Title = {High-frequency simulations of global seismic wave propagation using {SPECFEM3D\_GLOBE} on 62 thousand processor cores},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1413370.1413432}}
 
 @article{CaKiCrWoSpMu90,
-	Author = {D. L. Carver and K. W. King and E. Cranswick and D. W. Worley and P. Spudich and C. Mueller},
-	Journal = {U.S. Geol. Surv. Open File Rep.},
-	Pages = {90-683},
-	Title = {Digital recordings of aftershocks of the {O}ctober 17, 1989, {L}oma {P}rieta, {C}alifornia, earthquake: {S}anta {C}ruz, {L}os {G}atos, and surrounding areas},
-	Volume = {90},
-	Year = {1990}}
+        Author = {D. L. Carver and K. W. King and E. Cranswick and D. W. Worley and P. Spudich and C. Mueller},
+        Journal = {U.S. Geol. Surv. Open File Rep.},
+        Pages = {90-683},
+        Title = {Digital recordings of aftershocks of the {O}ctober 17, 1989, {L}oma {P}rieta, {C}alifornia, earthquake: {S}anta {C}ruz, {L}os {G}atos, and surrounding areas},
+        Volume = {90},
+        Year = {1990}}
 
 @techreport{CaGa97,
-	Address = {Ispra, Italy},
-	Author = {F. Casadei and E. Gabellini},
-	Institution = {European Commission Joint Research Center Report EUR17730EN},
-	Title = {Implementation of a 3{D} coupled {S}pectral {E}lement solver for wave propagation and soil-structure interaction simulations},
-	Year = {1997}}
+        Address = {Ispra, Italy},
+        Author = {F. Casadei and E. Gabellini},
+        Institution = {European Commission Joint Research Center Report EUR17730EN},
+        Title = {Implementation of a 3{D} coupled {S}pectral {E}lement solver for wave propagation and soil-structure interaction simulations},
+        Year = {1997}}
 
 @article{CaHa09,
-	Author = {Folco Casadei and Jean-Pierre Halleux},
-	Doi = {10.1002/nme.2533},
-	Journal = ijnme,
-	Number = {12},
-	Pages = {1436-1473},
-	Title = {Binary spatial partitioning of the central-difference time integration scheme for explicit fast transient dynamics},
-	Volume = {78},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.2533}}
+        Author = {Folco Casadei and Jean-Pierre Halleux},
+        Doi = {10.1002/nme.2533},
+        Journal = ijnme,
+        Number = {12},
+        Pages = {1436-1473},
+        Title = {Binary spatial partitioning of the central-difference time integration scheme for explicit fast transient dynamics},
+        Volume = {78},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.2533}}
 
 @inproceedings{CaStLeKoPiTr08,
-	Author = {E. Casarotti and M. Stupazzini and S. Lee and D. Komatitsch and A. Piersanti and J. Tromp},
-	Booktitle = {Proceedings of the 16th International Meshing Roundtable},
-	Pages = {579-597},
-	Title = {CUBIT and Seismic Wave Propagation Based Upon the Spectral-Element Method: An Advanced Unstructured Mesher for Complex 3{D} Geological Media},
-	Volume = {5B.4},
-	Year = {2008}}
+        Author = {E. Casarotti and M. Stupazzini and S. Lee and D. Komatitsch and A. Piersanti and J. Tromp},
+        Booktitle = {Proceedings of the 16th International Meshing Roundtable},
+        Pages = {579-597},
+        Title = {CUBIT and Seismic Wave Propagation Based Upon the Spectral-Element Method: An Advanced Unstructured Mesher for Complex 3{D} Geological Media},
+        Volume = {5B.4},
+        Year = {2008}}
 
 @article{CaKiSa97,
-	Author = {V. Caselles and R. Kimmel and G. Sapiro},
-	Journal = {Int. J. Comput. Vis.},
-	Number = {1},
-	Pages = {61-79},
-	Title = {Geodesic {A}ctive {C}ontours},
-	Volume = {22},
-	Year = {1997}}
+        Author = {V. Caselles and R. Kimmel and G. Sapiro},
+        Journal = {Int. J. Comput. Vis.},
+        Number = {1},
+        Pages = {61-79},
+        Title = {Geodesic {A}ctive {C}ontours},
+        Volume = {22},
+        Year = {1997}}
 
 @article{CasBer92,
-	Author = {B. Castagn\`ede and Y. Berthelot},
-	Journal = {Journal d'Acoustique},
-	Pages = {417-453},
-	Title = {Photoacoustic interactions by modulation and laser impact: applications in mechanics and physics of anisotropic solids},
-	Volume = {5},
-	Year = {1992}}
+        Author = {B. Castagn\`ede and Y. Berthelot},
+        Journal = {Journal d'Acoustique},
+        Pages = {417-453},
+        Title = {Photoacoustic interactions by modulation and laser impact: applications in mechanics and physics of anisotropic solids},
+        Volume = {5},
+        Year = {1992}}
 
 @article{CaLe96,
-	Author = {R. D. Catchings and W. H. K. Lee},
-	Journal = bssa,
-	Pages = {1704-1713},
-	Title = {Shallow velocity structure and {P}oisson's ratio at the {T}arzana, {C}alifornia, strong-motion accelerometer site},
-	Volume = {86},
-	Year = {1996}}
+        Author = {R. D. Catchings and W. H. K. Lee},
+        Journal = bssa,
+        Pages = {1704-1713},
+        Title = {Shallow velocity structure and {P}oisson's ratio at the {T}arzana, {C}alifornia, strong-motion accelerometer site},
+        Volume = {86},
+        Year = {1996}}
 
 @article{CeMcMcOwQuWr09,
-	Author = {Elena Celledoni and Robert I. McLachlan and David I. McLaren and Brynjulf Owren and G. Reinout W. Quispel and William M. Wright},
-	Doi = {10.1051/m2an/2009020},
-	Journal = {M2AN},
-	Pages = {645-649},
-	Title = {Energy-preserving {R}unge-{K}utta methods},
-	Volume = {43},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1051/m2an/2009020}}
+        Author = {Elena Celledoni and Robert I. McLachlan and David I. McLaren and Brynjulf Owren and G. Reinout W. Quispel and William M. Wright},
+        Doi = {10.1051/m2an/2009020},
+        Journal = {M2AN},
+        Pages = {645-649},
+        Title = {Energy-preserving {R}unge-{K}utta methods},
+        Volume = {43},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1051/m2an/2009020}}
 
 @article{CeKoKoRe85,
-	Author = {C. Cerjan and D. Kosloff and R. Kosloff and M. Reshef},
-	Journal = geophysics,
-	Pages = {705-708},
-	Title = {A nonreflecting boundary condition for discrete acoustic and elastic wave equation},
-	Volume = {50},
-	Year = {1985}}
+        Author = {C. Cerjan and D. Kosloff and R. Kosloff and M. Reshef},
+        Journal = geophysics,
+        Pages = {705-708},
+        Title = {A nonreflecting boundary condition for discrete acoustic and elastic wave equation},
+        Volume = {50},
+        Year = {1985}}
 
 @book{cerveny01,
-	Address = {Cambridge, UK},
-	Author = {V. Cerven\'{y}},
-	Publisher = {Cambridge University Press},
-	Title = {Seismic Ray Theory},
-	Year = {2001}}
+        Address = {Cambridge, UK},
+        Author = {V. Cerven\'{y}},
+        Publisher = {Cambridge University Press},
+        Title = {Seismic Ray Theory},
+        Year = {2001}}
 
 @article{CeNuMa10,
-	Author = {Ali Cevahir and Akira Nukada and Satoshi Matsuoka},
-	Doi = {10.1007/s00450-010-0112-6},
-	Journal = {Computer Science Research and Development},
-	Number = {1-2},
-	Pages = {83-91},
-	Title = {High performance conjugate gradient solver on multi-{GPU} clusters using hypergraph partitioning},
-	Volume = {25},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1007/s00450-010-0112-6}}
+        Author = {Ali Cevahir and Akira Nukada and Satoshi Matsuoka},
+        Doi = {10.1007/s00450-010-0112-6},
+        Journal = {Computer Science Research and Development},
+        Number = {1-2},
+        Pages = {83-91},
+        Title = {High performance conjugate gradient solver on multi-{GPU} clusters using hypergraph partitioning},
+        Volume = {25},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/s00450-010-0112-6}}
 
 @article{ChSaHa96,
-	Author = {F. J. Ch\'avez-Garc\'{\i}a and L. S\'anchez and D. Hatzfeld},
-	Journal = bssa,
-	Pages = {1559-1573},
-	Title = {Topographic site effects and HVSR. A comparison between observation and theory},
-	Volume = {86},
-	Year = {1996}}
+        Author = {F. J. Ch\'avez-Garc\'{\i}a and L. S\'anchez and D. Hatzfeld},
+        Journal = bssa,
+        Pages = {1559-1573},
+        Title = {Topographic site effects and HVSR. A comparison between observation and theory},
+        Volume = {86},
+        Year = {1996}}
 
 @article{Cha92,
-	Author = {P. Chadwick},
-	Journal = {Physica Scripta},
-	Pages = {94-97},
-	Title = {Some remarks on the existence of one-component surface waves in elastic materials with symmetry},
-	Volume = {T44},
-	Year = {1992}}
+        Author = {P. Chadwick},
+        Journal = {Physica Scripta},
+        Pages = {94-97},
+        Title = {Some remarks on the existence of one-component surface waves in elastic materials with symmetry},
+        Volume = {T44},
+        Year = {1992}}
 
 @article{Cha90,
-	Author = {P. Chadwick},
-	Journal = {Proceedings of the Royal Society of London, United Kingdom},
-	Pages = {213-240},
-	Title = {The behaviour of elastic surface waves polarized in a plane of material symmetry. {I}. {G}eneral analysis},
-	Volume = {A430},
-	Year = {1990}}
+        Author = {P. Chadwick},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {213-240},
+        Title = {The behaviour of elastic surface waves polarized in a plane of material symmetry. {I}. {G}eneral analysis},
+        Volume = {A430},
+        Year = {1990}}
 
 @article{Cha89,
-	Author = {P. Chadwick},
-	Journal = {Proceedings of the Royal Society of London, United Kingdom},
-	Pages = {67-101},
-	Title = {Wave propagation in transversely isotropic elastic media. {II}. {S}urface waves},
-	Volume = {A422},
-	Year = {1989}}
+        Author = {P. Chadwick},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {67-101},
+        Title = {Wave propagation in transversely isotropic elastic media. {II}. {S}urface waves},
+        Volume = {A422},
+        Year = {1989}}
 
 @incollection{ChaSmi82,
-	Address = {Oxford, United Kingdom},
-	Author = {P. Chadwick and G. D. Smith},
-	Booktitle = {Mechanics of solids},
-	Editor = {H. G. Hopkins and M. J. Sewell},
-	Pages = {47-100},
-	Publisher = {Pergamon Press},
-	Title = {Surface waves in cubic elastic materials},
-	Year = {1982}}
+        Address = {Oxford, United Kingdom},
+        Author = {P. Chadwick and G. D. Smith},
+        Booktitle = {Mechanics of solids},
+        Editor = {H. G. Hopkins and M. J. Sewell},
+        Pages = {47-100},
+        Publisher = {Pergamon Press},
+        Title = {Surface waves in cubic elastic materials},
+        Year = {1982}}
 
 @incollection{ChaSmi77,
-	Author = {P. Chadwick and G. D. Smith},
-	Booktitle = {Advances in Applied Mechanics},
-	Editor = {C. S. Yih},
-	Pages = {303-376},
-	Publisher = {Academic Press, New York, USA},
-	Title = {Foundations of the theory of surface waves in anisotropic elastic materials},
-	Volume = {17},
-	Year = {1977}}
+        Author = {P. Chadwick and G. D. Smith},
+        Booktitle = {Advances in Applied Mechanics},
+        Editor = {C. S. Yih},
+        Pages = {303-376},
+        Publisher = {Academic Press, New York, USA},
+        Title = {Foundations of the theory of surface waves in anisotropic elastic materials},
+        Volume = {17},
+        Year = {1977}}
 
 @article{ChaWil92a,
-	Author = {P. Chadwick and N. J. Wilson},
-	Journal = {Proceedings of the Royal Society of London, United Kingdom},
-	Pages = {207-223},
-	Title = {The behaviour of elastic surface waves polarized in a plane of material symmetry. {II}. {M}onoclinic media},
-	Volume = {A438},
-	Year = {1992}}
+        Author = {P. Chadwick and N. J. Wilson},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {207-223},
+        Title = {The behaviour of elastic surface waves polarized in a plane of material symmetry. {II}. {M}onoclinic media},
+        Volume = {A438},
+        Year = {1992}}
 
 @article{ChaWil92b,
-	Author = {P. Chadwick and N. J. Wilson},
-	Journal = {Proceedings of the Royal Society of London, United Kingdom},
-	Pages = {225-247},
-	Title = {The behaviour of elastic surface waves polarized in a plane of material symmetry. {III}. {O}rthorhombic and cubic media},
-	Volume = {A438},
-	Year = {1992}}
+        Author = {P. Chadwick and N. J. Wilson},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {225-247},
+        Title = {The behaviour of elastic surface waves polarized in a plane of material symmetry. {III}. {O}rthorhombic and cubic media},
+        Volume = {A438},
+        Year = {1992}}
 
 @article{ChaWu94,
-	Author = {J. F. Chai and T. T. Wu},
-	Journal = jasa,
-	Pages = {3232-3241},
-	Title = {Determination of anisotropic elastic constants using laser-generated surface waves},
-	Volume = {95},
-	Year = {1994}}
+        Author = {J. F. Chai and T. T. Wu},
+        Journal = jasa,
+        Pages = {3232-3241},
+        Title = {Determination of anisotropic elastic constants using laser-generated surface waves},
+        Volume = {95},
+        Year = {1994}}
 
 @article{ChBoSe08,
-	Author = {St\'{e}phanie Chaillat and Marc Bonnet and Jean-Fran\c{c}ois Semblat},
-	Doi = {10.1016/j.cma.2008.04.024},
-	Journal = cmame,
-	Number = {49-50},
-	Pages = {4233-4249},
-	Title = {A multi-level fast multipole {BEM} for {3-D} elastodynamics in the frequency domain},
-	Volume = {197},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cma.2008.04.024}}
+        Author = {St\'{e}phanie Chaillat and Marc Bonnet and Jean-Fran\c{c}ois Semblat},
+        Doi = {10.1016/j.cma.2008.04.024},
+        Journal = cmame,
+        Number = {49-50},
+        Pages = {4233-4249},
+        Title = {A multi-level fast multipole {BEM} for {3-D} elastodynamics in the frequency domain},
+        Volume = {197},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cma.2008.04.024}}
 
 @phdthesis{Ch00,
-	Address = {Paris, France},
-	Author = {E. Chaljub},
-	School = {Universit\'e Paris {\sc VII} Denis Diderot},
-	Title = {Mod\'elisation num\'erique de la propagation d'ondes sismiques en g\'eom\'etrie sph\'erique : application \`a la sismologie globale ({N}umerical modeling of the propagation of seismic waves in spherical geometry: {a}pplication to global seismology)},
-	Year = {2000}}
+        Address = {Paris, France},
+        Author = {E. Chaljub},
+        School = {Universit\'e Paris {\sc VII} Denis Diderot},
+        Title = {Mod\'elisation num\'erique de la propagation d'ondes sismiques en g\'eom\'etrie sph\'erique : application \`a la sismologie globale ({N}umerical modeling of the propagation of seismic waves in spherical geometry: {a}pplication to global seismology)},
+        Year = {2000}}
 
 @article{ChCaVi03,
-	Author = {E. Chaljub and Y. Capdeville and J. P. Vilotte},
-	Journal = jcp,
-	Number = {2},
-	Pages = {457-491},
-	Title = {Solving Elastodynamics in a Fluid-Solid Heterogeneous Sphere: a Parallel Spectral-Element Approximation on Non-Conforming Grids},
-	Volume = {187},
-	Year = {2003}}
+        Author = {E. Chaljub and Y. Capdeville and J. P. Vilotte},
+        Journal = jcp,
+        Number = {2},
+        Pages = {457-491},
+        Title = {Solving Elastodynamics in a Fluid-Solid Heterogeneous Sphere: a Parallel Spectral-Element Approximation on Non-Conforming Grids},
+        Volume = {187},
+        Year = {2003}}
 
 @inproceedings{CCGCK05,
-	Author = {Emmanuel Chaljub and C\'ecile Cornou and Philippe Gu\'eguen and Mathieu Causse and Dimitri Komatitsch},
-	Booktitle = {Geophysical Research Abstracts},
-	Publisher = {EGU 2nd general assembly, Wien, Austria},
-	Title = {Spectral-element modeling of 3{D} wave propagation in the alpine valley of {G}renoble, {F}rance},
-	Volume = {7, 05225},
-	Year = {2005}}
+        Author = {Emmanuel Chaljub and C\'ecile Cornou and Philippe Gu\'eguen and Mathieu Causse and Dimitri Komatitsch},
+        Booktitle = {Geophysical Research Abstracts},
+        Publisher = {EGU 2nd general assembly, Wien, Austria},
+        Title = {Spectral-element modeling of 3{D} wave propagation in the alpine valley of {G}renoble, {F}rance},
+        Volume = {7, 05225},
+        Year = {2005}}
 
 @incollection{ChKoViCaVaFe07,
-	Author = {Emmanuel Chaljub and Dimitri Komatitsch and Jean Pierre Vilotte and Yann Capdeville and Bernard Valette and Gaetano Festa},
-	Booktitle = {Advances in wave propagation in heterogeneous media},
-	Editor = {Ru-Shan Wu and Val\'erie Maupin},
-	Pages = {365-419},
-	Publisher = {Elsevier - Academic Press, London, UK},
-	Series = {Advances in Geophysics},
-	Title = {Spectral Element Analysis in Seismology},
-	Volume = {48},
-	Year = {2007}}
+        Author = {Emmanuel Chaljub and Dimitri Komatitsch and Jean Pierre Vilotte and Yann Capdeville and Bernard Valette and Gaetano Festa},
+        Booktitle = {Advances in wave propagation in heterogeneous media},
+        Editor = {Ru-Shan Wu and Val\'erie Maupin},
+        Pages = {365-419},
+        Publisher = {Elsevier - Academic Press, London, UK},
+        Series = {Advances in Geophysics},
+        Title = {Spectral Element Analysis in Seismology},
+        Volume = {48},
+        Year = {2007}}
 
 @article{ChMoTsBaKrKaStKr10,
-	Author = {E. Chaljub and P. Moczo and S. Tsuno and P.-Y. Bard and J. Kristek and M. K\"aser and M. Stupazzini and M. Kristekova},
-	Journal = {Bull. Seismol. Soc. Am.},
-	Number = {4},
-	Pages = {1427-1455},
-	Title = {Quantitative Comparison of Four Numerical Predictions of 3{D} Ground Motion in the {G}renoble Valley, {F}rance},
-	Volume = {100},
-	Year = {2010}}
+        Author = {E. Chaljub and P. Moczo and S. Tsuno and P.-Y. Bard and J. Kristek and M. K\"aser and M. Stupazzini and M. Kristekova},
+        Journal = {Bull. Seismol. Soc. Am.},
+        Number = {4},
+        Pages = {1427-1455},
+        Title = {Quantitative Comparison of Four Numerical Predictions of 3{D} Ground Motion in the {G}renoble Valley, {F}rance},
+        Volume = {100},
+        Year = {2010}}
 
 @article{ChTa97,
-	Author = {E. Chaljub and A. Tarantola},
-	Journal = grl,
-	Number = {21},
-	Pages = {2613-2616},
-	Title = {Sensitivity of {SS} precursors to topography on the upper-mantle 660-km discontinuity},
-	Volume = {24},
-	Year = {1997}}
+        Author = {E. Chaljub and A. Tarantola},
+        Journal = grl,
+        Number = {21},
+        Pages = {2613-2616},
+        Title = {Sensitivity of {SS} precursors to topography on the upper-mantle 660-km discontinuity},
+        Volume = {24},
+        Year = {1997}}
 
 @article{ChVa04,
-	Author = {E. Chaljub and B. Valette},
-	Journal = gji,
-	Pages = {131-141},
-	Title = {Spectral element modelling of three-dimensional wave propagation in a self-gravitating {E}arth with an arbitrarily stratified outer core},
-	Volume = {158},
-	Year = {2004}}
+        Author = {E. Chaljub and B. Valette},
+        Journal = gji,
+        Pages = {131-141},
+        Title = {Spectral element modelling of three-dimensional wave propagation in a self-gravitating {E}arth with an arbitrarily stratified outer core},
+        Volume = {158},
+        Year = {2004}}
 
 @book{openmp,
-	Address = {San Francisco, USA},
-	Author = {Rohit Chandra and Ramesh Menon and Leo Dagum and David Kohr and Dror Maydan and Jeff McDonald},
-	Publisher = {Morgan Kaufmann, Elsevier},
-	Title = {Parallel Programming in {O}pen{MP}},
-	Year = {2000}}
+        Address = {San Francisco, USA},
+        Author = {Rohit Chandra and Ramesh Menon and Leo Dagum and David Kohr and Dror Maydan and Jeff McDonald},
+        Publisher = {Morgan Kaufmann, Elsevier},
+        Title = {Parallel Programming in {O}pen{MP}},
+        Year = {2000}}
 
 @article{ChPr92,
-	Author = {C. Chapman and R. G. Pratt},
-	Journal = gji,
-	Pages = {1-19},
-	Title = {Traveltime tomography in anisotropic media -{I}: Theory},
-	Volume = {109},
-	Year = {1992}}
+        Author = {C. Chapman and R. G. Pratt},
+        Journal = gji,
+        Pages = {1-19},
+        Title = {Traveltime tomography in anisotropic media -{I}: Theory},
+        Volume = {109},
+        Year = {1992}}
 
 @article{ChPh72,
-	Author = {C. H. Chapman and R. A. Phinney},
-	Journal = {Methods Comput. Phys.},
-	Pages = {165-230},
-	Title = {Diffracted seismic signals and their numerical solution},
-	Volume = {12},
-	Year = {1972}}
+        Author = {C. H. Chapman and R. A. Phinney},
+        Journal = {Methods Comput. Phys.},
+        Pages = {165-230},
+        Title = {Diffracted seismic signals and their numerical solution},
+        Volume = {12},
+        Year = {1972}}
 
 @article{Che:2008:APS,
-	Author = {Shuai Che and Michael Boyer and Jiayuan Meng and David Tarjan and Jeremy W. Sheaffer and Kevin Skadron},
-	Doi = {10.1016/j.jpdc.2008.05.014},
-	Journal = {Journal of Parallel and Distributed Computing},
-	Month = jun,
-	Number = {10},
-	Pages = {1370--1380},
-	Title = {A performance study of general-purpose applications on graphics processors using {CUDA}},
-	Volume = {68},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jpdc.2008.05.014}}
+        Author = {Shuai Che and Michael Boyer and Jiayuan Meng and David Tarjan and Jeremy W. Sheaffer and Kevin Skadron},
+        Doi = {10.1016/j.jpdc.2008.05.014},
+        Journal = {Journal of Parallel and Distributed Computing},
+        Month = jun,
+        Number = {10},
+        Pages = {1370--1380},
+        Title = {A performance study of general-purpose applications on graphics processors using {CUDA}},
+        Volume = {68},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jpdc.2008.05.014}}
 
 @article{ChTr07,
-	Author = {Min Chen and Jeroen Tromp},
-	Doi = {10.1111/j.1365-246X.2006.03218.x},
-	Journal = gji,
-	Number = {3},
-	Pages = {1130-1152},
-	Title = {Theoretical and numerical investigations of global and regional seismic wave propagation in weakly anisotropic earth models},
-	Volume = {168},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03218.x}}
+        Author = {Min Chen and Jeroen Tromp},
+        Doi = {10.1111/j.1365-246X.2006.03218.x},
+        Journal = gji,
+        Number = {3},
+        Pages = {1130-1152},
+        Title = {Theoretical and numerical investigations of global and regional seismic wave propagation in weakly anisotropic earth models},
+        Volume = {168},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03218.x}}
 
 @article{ChTrHeKa07,
-	Author = {M. Chen and J. Tromp and D. Helmberger and H. Kanamori},
-	Doi = {10.1029/2006JB004394},
-	Journal = jgr,
-	Pages = {B02305},
-	Title = {Waveform modeling of the slab beneath {J}apan},
-	Volume = {112},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2006JB004394}}
+        Author = {M. Chen and J. Tromp and D. Helmberger and H. Kanamori},
+        Doi = {10.1029/2006JB004394},
+        Journal = jgr,
+        Pages = {B02305},
+        Title = {Waveform modeling of the slab beneath {J}apan},
+        Volume = {112},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2006JB004394}}
 
 @article{ChenBabu96,
-	Author = {Q. Chen and I. Babu{\v s}ka},
-	Journal = cmame,
-	Pages = {89-94},
-	Title = {The optimal symmetrical points for polynomial interpolation of real functions in the tetrahedron},
-	Volume = {137},
-	Year = {1996}}
+        Author = {Q. Chen and I. Babu{\v s}ka},
+        Journal = cmame,
+        Pages = {89-94},
+        Title = {The optimal symmetrical points for polynomial interpolation of real functions in the tetrahedron},
+        Volume = {137},
+        Year = {1996}}
 
 @article{ChenBabu95,
-	Author = {Q. Chen and I. Babu{\v s}ka},
-	Journal = cmame,
-	Pages = {405-417},
-	Title = {Approximate optimal points for polynomial interpolation of real functions in an interval and in a triangle},
-	Volume = {128},
-	Year = {1995}}
+        Author = {Q. Chen and I. Babu{\v s}ka},
+        Journal = cmame,
+        Pages = {405-417},
+        Title = {Approximate optimal points for polynomial interpolation of real functions in an interval and in a triangle},
+        Volume = {128},
+        Year = {1995}}
 
 @incollection{Che06,
-	Author = {X. Chen},
-	Booktitle = {Advances in wave propagation in heterogeneous media},
-	Editor = {Ru-Shan Wu and Val\'erie Maupin},
-	Publisher = {Elsevier},
-	Series = {Advances in Geophysics},
-	Title = {Generation and propagation of seismic {SH} waves in multilayered media with irregular interfaces},
-	Year = {2006}}
+        Author = {X. Chen},
+        Booktitle = {Advances in wave propagation in heterogeneous media},
+        Editor = {Ru-Shan Wu and Val\'erie Maupin},
+        Publisher = {Elsevier},
+        Series = {Advances in Geophysics},
+        Title = {Generation and propagation of seismic {SH} waves in multilayered media with irregular interfaces},
+        Year = {2006}}
 
 @article{ChPe08,
-	Author = {C. Chevalier and F. Pellegrini},
-	Journal = {Parallel Computing},
-	Number = {6-8},
-	Pages = {318-331},
-	Title = {{PT-SCOTCH}: {A} tool for efficient parallel graph ordering},
-	Volume = {34},
-	Year = {2008}}
+        Author = {C. Chevalier and F. Pellegrini},
+        Journal = {Parallel Computing},
+        Number = {6-8},
+        Pages = {318-331},
+        Title = {{PT-SCOTCH}: {A} tool for efficient parallel graph ordering},
+        Volume = {34},
+        Year = {2008}}
 
 @article{Che06b,
-	Author = {S. Chevrot},
-	Doi = {10.1111/j.1365-246X.2006.02982.x},
-	Journal = gji,
-	Number = {2},
-	Pages = {641-657},
-	Title = {Finite-frequency vectorial tomography: a new method for high-resolution imaging of upper mantle anisotropy},
-	Volume = {165},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.02982.x}}
+        Author = {S. Chevrot},
+        Doi = {10.1111/j.1365-246X.2006.02982.x},
+        Journal = gji,
+        Number = {2},
+        Pages = {641-657},
+        Title = {Finite-frequency vectorial tomography: a new method for high-resolution imaging of upper mantle anisotropy},
+        Volume = {165},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.02982.x}}
 
 @article{ChFaKo04,
-	Author = {S. Chevrot and N. Favier and D. Komatitsch},
-	Doi = {10.1111/j.1365-246X.2004.02432.x},
-	Journal = gji,
-	Number = {2},
-	Pages = {711-720},
-	Title = {Shear wave splitting in three-dimensional anisotropic media},
-	Volume = {159},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2004.02432.x}}
+        Author = {S. Chevrot and N. Favier and D. Komatitsch},
+        Doi = {10.1111/j.1365-246X.2004.02432.x},
+        Journal = gji,
+        Number = {2},
+        Pages = {711-720},
+        Title = {Shear wave splitting in three-dimensional anisotropic media},
+        Volume = {159},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2004.02432.x}}
 
 @article{ChLi96,
-	Author = {W. C. Chew and Q. Liu},
-	Journal = jca,
-	Number = {4},
-	Pages = {341-359},
-	Title = {{P}erfectly {M}atched {L}ayers for elastodynamics: a new absorbing boundary condition},
-	Volume = {4},
-	Year = {1996}}
+        Author = {W. C. Chew and Q. Liu},
+        Journal = jca,
+        Number = {4},
+        Pages = {341-359},
+        Title = {{P}erfectly {M}atched {L}ayers for elastodynamics: a new absorbing boundary condition},
+        Volume = {4},
+        Year = {1996}}
 
 @article{ChWe94,
-	Author = {W. C. Chew and W. H. Weedon},
-	Journal = {Microwave Opt. Technol. Lett.},
-	Number = {13},
-	Pages = {599-604},
-	Title = {A {3-D} perfectly matched medium from modified {M}axwell's equations with stretched coordinates},
-	Volume = {7},
-	Year = {1994}}
+        Author = {W. C. Chew and W. H. Weedon},
+        Journal = {Microwave Opt. Technol. Lett.},
+        Number = {13},
+        Pages = {599-604},
+        Title = {A {3-D} perfectly matched medium from modified {M}axwell's equations with stretched coordinates},
+        Volume = {7},
+        Year = {1994}}
 
 @article{Cho68,
-	Author = {Alexandre Joel Chorin},
-	Journal = {Math. Comput.},
-	Pages = {745-762},
-	Title = {Numerical solution of the {N}avier-{S}tokes equations},
-	Volume = {22},
-	Year = {1968}}
+        Author = {Alexandre Joel Chorin},
+        Journal = {Math. Comput.},
+        Pages = {745-762},
+        Title = {Numerical solution of the {N}avier-{S}tokes equations},
+        Volume = {22},
+        Year = {1968}}
 
 @book{Cia89,
-	Address = {Cambridge},
-	Author = {P. G. Ciarlet},
-	Publisher = {Cambridge University Press},
-	Series = {Cambridge Texts in Applied Mathematics},
-	Title = {Introduction to Numerical Linear Algebra and Optimisation},
-	Year = {1989}}
+        Address = {Cambridge},
+        Author = {P. G. Ciarlet},
+        Publisher = {Cambridge University Press},
+        Series = {Cambridge Texts in Applied Mathematics},
+        Title = {Introduction to Numerical Linear Algebra and Optimisation},
+        Year = {1989}}
 
 @book{pgc,
-	Address = {Amsterdam},
-	Author = {P. G. Ciarlet},
-	Note = {530 p.},
-	Publisher = {North Holland},
-	Title = {The Finite Element Method for Elliptic Problems},
-	Year = {1978}}
+        Address = {Amsterdam},
+        Author = {P. G. Ciarlet},
+        Note = {530 p.},
+        Publisher = {North Holland},
+        Title = {The Finite Element Method for Elliptic Problems},
+        Year = {1978}}
 
 @article{ClMeRoLo00,
-	Author = {Eric Cl\'ev\'ed\'e and Charles M\'egnin and Barabara Romanowicz and Philippe Lognonn\'e},
-	Journal = pepi,
-	Pages = {37-56},
-	Title = {Seismic waveform modeling and surface wave tomography in a three-dimensional {E}arth: asymptotic and non-asymptotic approaches},
-	Volume = {119(1)},
-	Year = {2000}}
+        Author = {Eric Cl\'ev\'ed\'e and Charles M\'egnin and Barabara Romanowicz and Philippe Lognonn\'e},
+        Journal = pepi,
+        Pages = {37-56},
+        Title = {Seismic waveform modeling and surface wave tomography in a three-dimensional {E}arth: asymptotic and non-asymptotic approaches},
+        Volume = {119(1)},
+        Year = {2000}}
 
 @article{Cla72,
-	Author = {M. N. Clark},
-	Journal = {U.S. Geol. Surv. Prof. Pap.},
-	Pages = {175-182},
-	Title = {Intensity of shaking estimated from displaced stones},
-	Volume = {787},
-	Year = {1972}}
+        Author = {M. N. Clark},
+        Journal = {U.S. Geol. Surv. Prof. Pap.},
+        Pages = {175-182},
+        Title = {Intensity of shaking estimated from displaced stones},
+        Volume = {787},
+        Year = {1972}}
 
 @article{ClSiYeJaWaBe95,
-	Author = {T. J. Clarke and P. G. Silver and Y. L. Yeh and D. E. James and T. C. Wallace and S. L. Beck},
-	Journal = grl,
-	Number = {16},
-	Pages = {2313-2316},
-	Title = {Close in {ScS} and {sScS} reverberations from the 9 {J}une 1994 {B}olivian earthquake},
-	Volume = {22},
-	Year = {1995}}
+        Author = {T. J. Clarke and P. G. Silver and Y. L. Yeh and D. E. James and T. C. Wallace and S. L. Beck},
+        Journal = grl,
+        Number = {16},
+        Pages = {2313-2316},
+        Title = {Close in {ScS} and {sScS} reverberations from the 9 {J}une 1994 {B}olivian earthquake},
+        Volume = {22},
+        Year = {1995}}
 
 @article{ClEn77,
-	Author = {R. Clayton and B. Engquist},
-	Journal = bssa,
-	Pages = {1529-1540},
-	Title = {Absorbing boundary conditions for acoustic and elastic wave equations},
-	Volume = {67},
-	Year = {1977}}
+        Author = {R. Clayton and B. Engquist},
+        Journal = bssa,
+        Pages = {1529-1540},
+        Title = {Absorbing boundary conditions for acoustic and elastic wave equations},
+        Volume = {67},
+        Year = {1977}}
 
 @article{ClLa95,
-	Author = {R. H. Clouser and C. A. Langston},
-	Journal = bssa,
-	Pages = {859-873},
-	Title = {Modeling observed {$P$-$R_g$} conversions from isolated topographic features near the {NORESS} array},
-	Volume = {85},
-	Year = {1995}}
+        Author = {R. H. Clouser and C. A. Langston},
+        Journal = bssa,
+        Pages = {859-873},
+        Title = {Modeling observed {$P$-$R_g$} conversions from isolated topographic features near the {NORESS} array},
+        Volume = {85},
+        Year = {1995}}
 
 @article{CoSc95,
-	Author = {R. T. Coates and M. Schoenberg},
-	Journal = geophysics,
-	Pages = {1514-1526},
-	Title = {Finite-difference modelling of faults and fractures},
-	Volume = {60},
-	Year = {1995}}
+        Author = {R. T. Coates and M. Schoenberg},
+        Journal = geophysics,
+        Pages = {1514-1526},
+        Title = {Finite-difference modelling of faults and fractures},
+        Volume = {60},
+        Year = {1995}}
 
 @article{CoRi2002,
-	Author = {M. Cocco and J. R. Rice},
-	Journal = jgr,
-	Pages = {2-1 - 2-17},
-	Title = {Pore pressure and poroelasticity effects in {C}oulomb stress analysis of earthquake interaction},
-	Volume = {107},
-	Year = {2002}}
+        Author = {M. Cocco and J. R. Rice},
+        Journal = jgr,
+        Pages = {2-1 - 2-17},
+        Title = {Pore pressure and poroelasticity effects in {C}oulomb stress analysis of earthquake interaction},
+        Volume = {107},
+        Year = {2002}}
 
 @book{CoKaSh00,
-	Address = {Heidelberg, Germany},
-	Author = {Bernardo Cockburn and George E. Karniadakis and Chi-Wang Shu},
-	Publisher = {Springer},
-	Title = {Discontinuous {G}alerkin Methods: Theory, Computation and Applications},
-	Year = {2000}}
+        Address = {Heidelberg, Germany},
+        Author = {Bernardo Cockburn and George E. Karniadakis and Chi-Wang Shu},
+        Publisher = {Springer},
+        Title = {Discontinuous {G}alerkin Methods: Theory, Computation and Applications},
+        Year = {2000}}
 
 @book{Aco92,
-	Address = {Paris},
-	Author = {A. Cohen},
-	Publisher = {Masson},
-	Title = {Ondelettes et traitement num\'erique du signal},
-	Year = {1992}}
+        Address = {Paris},
+        Author = {A. Cohen},
+        Publisher = {Masson},
+        Title = {Ondelettes et traitement num\'erique du signal},
+        Year = {1992}}
 
 @book{Coh02,
-	Address = {Berlin, Germany},
-	Author = {Gary Cohen},
-	Publisher = {Springer-Verlag},
-	Title = {Higher-order numerical methods for transient wave equations},
-	Year = {2002}}
+        Address = {Berlin, Germany},
+        Author = {Gary Cohen},
+        Publisher = {Springer-Verlag},
+        Title = {Higher-order numerical methods for transient wave equations},
+        Year = {2002}}
 
 @inproceedings{Coh88,
-	Author = {G. Cohen},
-	Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
-	Note = {58th international meeting of the SEG},
-	Pages = {1288-1291},
-	Title = {Schemes fourth-order in time and space for 2{D} elastodynamics equations},
-	Year = {1988}}
+        Author = {G. Cohen},
+        Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
+        Note = {58th international meeting of the SEG},
+        Pages = {1288-1291},
+        Title = {Schemes fourth-order in time and space for 2{D} elastodynamics equations},
+        Year = {1988}}
 
 @article{CoFa05,
-	Author = {G. Cohen and S. Fauqueux},
-	Doi = {10.1137/S1064827502407457},
-	Journal = {SIAM Journal on Scientific Computing},
-	Number = {3},
-	Pages = {864-884},
-	Title = {Mixed Spectral Finite Elements for the Linear Elasticity System in Unbounded Domains},
-	Volume = {26},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1137/S1064827502407457}}
+        Author = {G. Cohen and S. Fauqueux},
+        Doi = {10.1137/S1064827502407457},
+        Journal = {SIAM Journal on Scientific Computing},
+        Number = {3},
+        Pages = {864-884},
+        Title = {Mixed Spectral Finite Elements for the Linear Elasticity System in Unbounded Domains},
+        Volume = {26},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1137/S1064827502407457}}
 
 @article{CoFa00,
-	Author = {G. Cohen and S. Fauqueux},
-	Doi = {10.1142/S0218396X0000011X},
-	Journal = jca,
-	Number = {1},
-	Pages = {171-188},
-	Title = {Mixed finite elements with mass lumping for the transient wave equation},
-	Volume = {8},
-	Year = {2000},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1142/S0218396X0000011X}}
+        Author = {G. Cohen and S. Fauqueux},
+        Doi = {10.1142/S0218396X0000011X},
+        Journal = jca,
+        Number = {1},
+        Pages = {171-188},
+        Title = {Mixed finite elements with mass lumping for the transient wave equation},
+        Volume = {8},
+        Year = {2000},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1142/S0218396X0000011X}}
 
 @article{CoJo90,
-	Author = {G. Cohen and P. Joly},
-	Journal = cmame,
-	Pages = {397-407},
-	Title = {Fourth-order schemes for the heterogeneous acoustics equation},
-	Volume = {80},
-	Year = {1990}}
+        Author = {G. Cohen and P. Joly},
+        Journal = cmame,
+        Pages = {397-407},
+        Title = {Fourth-order schemes for the heterogeneous acoustics equation},
+        Volume = {80},
+        Year = {1990}}
 
 @article{CoJoRoTo01,
-	Author = {G. Cohen and P. Joly and J. E. Roberts and N. Tordjman},
-	Doi = {10.1137/S0036142997329554},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Number = {6},
-	Pages = {2047-2078},
-	Title = {Higher-Order Triangular Finite Elements with Mass Lumping for the Wave Equation},
-	Volume = {38},
-	Year = {2001},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1137/S0036142997329554}}
+        Author = {G. Cohen and P. Joly and J. E. Roberts and N. Tordjman},
+        Doi = {10.1137/S0036142997329554},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Number = {6},
+        Pages = {2047-2078},
+        Title = {Higher-Order Triangular Finite Elements with Mass Lumping for the Wave Equation},
+        Volume = {38},
+        Year = {2001},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1137/S0036142997329554}}
 
 @inproceedings{CoJoTo93,
-	Author = {G. Cohen and P. Joly and N. Tordjman},
-	Booktitle = {Proceedings of the second international conference on mathematical and numerical aspects of wave propagation},
-	Editor = {R. Kleinman},
-	Pages = {152-160},
-	Publisher = {SIAM, Philadelphia, Pennsylvania, USA},
-	Title = {Construction and analysis of higher-order finite elements with mass lumping for the wave equation},
-	Year = {1993}}
+        Author = {G. Cohen and P. Joly and N. Tordjman},
+        Booktitle = {Proceedings of the second international conference on mathematical and numerical aspects of wave propagation},
+        Editor = {R. Kleinman},
+        Pages = {152-160},
+        Publisher = {SIAM, Philadelphia, Pennsylvania, USA},
+        Title = {Construction and analysis of higher-order finite elements with mass lumping for the wave equation},
+        Year = {1993}}
 
 @article{Col97,
-	Author = {F. Collino},
-	Journal = jcp,
-	Pages = {164-180},
-	Title = {{P}erfectly matched absorbing layers for the paraxial equations},
-	Volume = {131},
-	Year = {1997}}
+        Author = {F. Collino},
+        Journal = jcp,
+        Pages = {164-180},
+        Title = {{P}erfectly matched absorbing layers for the paraxial equations},
+        Volume = {131},
+        Year = {1997}}
 
 @article{CoFoJo03a,
-	Author = {Collino, F. and Fouquet, T. and Joly, P.},
-	Journal = {Numerische Mathematik},
-	Number = {2},
-	Pages = {197-221},
-	Title = {A conservative space-time mesh refinement method for the 1-{D} wave equation. {I}. {C}onstruction},
-	Volume = {95},
-	Year = {2003}}
+        Author = {Collino, F. and Fouquet, T. and Joly, P.},
+        Journal = {Numerische Mathematik},
+        Number = {2},
+        Pages = {197-221},
+        Title = {A conservative space-time mesh refinement method for the 1-{D} wave equation. {I}. {C}onstruction},
+        Volume = {95},
+        Year = {2003}}
 
 @article{CoFoJo03b,
-	Author = {Collino, F. and Fouquet, T. and Joly, P.},
-	Journal = {Numerische Mathematik},
-	Number = {2},
-	Pages = {223-251},
-	Title = {A conservative space-time mesh refinement method for the 1-{D} wave equation. {II}. {A}nalysis},
-	Volume = {95},
-	Year = {2003}}
+        Author = {Collino, F. and Fouquet, T. and Joly, P.},
+        Journal = {Numerische Mathematik},
+        Number = {2},
+        Pages = {223-251},
+        Title = {A conservative space-time mesh refinement method for the 1-{D} wave equation. {II}. {A}nalysis},
+        Volume = {95},
+        Year = {2003}}
 
 @techreport{CoFoJo98,
-	Author = {F. Collino and T. Fouquet and P. Joly},
-	Institution = {INRIA},
-	Note = {Research report RR-3474},
-	Title = {Analyse num\'erique d'une m\'ethode de raffinement de maillage espace-temps pour l'\'equation des ondes},
-	Year = {1998}}
+        Author = {F. Collino and T. Fouquet and P. Joly},
+        Institution = {INRIA},
+        Note = {Research report RR-3474},
+        Title = {Analyse num\'erique d'une m\'ethode de raffinement de maillage espace-temps pour l'\'equation des ondes},
+        Year = {1998}}
 
 @article{CoMo98a,
-	Author = {F. Collino and P. Monk},
-	Journal = cmame,
-	Pages = {157-171},
-	Title = {Optimizing the {P}erfectly {M}atched {L}ayer},
-	Volume = {164},
-	Year = {1998}}
+        Author = {F. Collino and P. Monk},
+        Journal = cmame,
+        Pages = {157-171},
+        Title = {Optimizing the {P}erfectly {M}atched {L}ayer},
+        Volume = {164},
+        Year = {1998}}
 
 @article{CoMo98b,
-	Author = {F. Collino and P. Monk},
-	Journal = {SIAM J. Sci. Comput.},
-	Number = {6},
-	Pages = {2061-2090},
-	Title = {The {P}erfectly {M}atched {L}ayer in curvilinear coordinates},
-	Volume = {19},
-	Year = {1998}}
+        Author = {F. Collino and P. Monk},
+        Journal = {SIAM J. Sci. Comput.},
+        Number = {6},
+        Pages = {2061-2090},
+        Title = {The {P}erfectly {M}atched {L}ayer in curvilinear coordinates},
+        Volume = {19},
+        Year = {1998}}
 
 @article{CoTs01,
-	Author = {F. Collino and C. Tsogka},
-	Journal = geophysics,
-	Number = {1},
-	Pages = {294-307},
-	Title = {Application of the {PML} absorbing layer model to the linear elastodynamic problem in anisotropic heterogeneous media},
-	Volume = {66},
-	Year = {2001}}
+        Author = {F. Collino and C. Tsogka},
+        Journal = geophysics,
+        Number = {1},
+        Pages = {294-307},
+        Title = {Application of the {PML} absorbing layer model to the linear elastodynamic problem in anisotropic heterogeneous media},
+        Volume = {66},
+        Year = {2001}}
 
 @article{cormier1999,
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-	Journal = gji,
-	Pages = {373-384},
-	Title = {Anisotropy of heterogeneity scale lengths in the lower mantle from PKIKP precursors},
-	Volume = {136},
-	Year = {1999}}
+        Author = {V. F. Cormier},
+        Journal = gji,
+        Pages = {373-384},
+        Title = {Anisotropy of heterogeneity scale lengths in the lower mantle from PKIKP precursors},
+        Volume = {136},
+        Year = {1999}}
 
 @article{Cor86,
-	Author = {V. F. Cormier},
-	Journal = bssa,
-	Pages = {231-240},
-	Title = {Synthesis of body waves in transversely isotropic {E}arth models},
-	Volume = {76},
-	Year = {1986}}
+        Author = {V. F. Cormier},
+        Journal = bssa,
+        Pages = {231-240},
+        Title = {Synthesis of body waves in transversely isotropic {E}arth models},
+        Volume = {76},
+        Year = {1986}}
 
 @article{cornou03b,
-	Author = {C\'ecile Cornou and Pierre-Yves Bard and Michel Dietrich},
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-	Number = {6},
-	Pages = {2624-2648},
-	Title = {Contribution of Dense Array Analysis to the identification and quantification of basin-edge-induced waves, {P}art {II}: {A}pplication to the {G}renoble basin ({F}rench {A}lps)},
-	Volume = {93},
-	Year = {2003}}
+        Author = {C\'ecile Cornou and Pierre-Yves Bard and Michel Dietrich},
+        Journal = bssa,
+        Number = {6},
+        Pages = {2624-2648},
+        Title = {Contribution of Dense Array Analysis to the identification and quantification of basin-edge-induced waves, {P}art {II}: {A}pplication to the {G}renoble basin ({F}rench {A}lps)},
+        Volume = {93},
+        Year = {2003}}
 
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-	Author = {J. Corones},
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-	Volume = {50},
-	Year = {1975}}
+        Author = {J. Corones},
+        Journal = {J. Math. Anal. Appl.},
+        Pages = {361-372},
+        Title = {Bremmer Series That Correct Parabolic Approximations},
+        Volume = {50},
+        Year = {1975}}
 
 @inproceedings{Corrigan:2009:RUG,
-	Author = {Andrew Corrigan and Fernando Camelli and Rainald L{\"o}hner and John Wallin},
-	Booktitle = {19th AIAA Computational Fluid Dynamics Conference},
-	Month = jun,
-	Note = {AIAA 2009-4001},
-	Pages = {1-11},
-	Title = {Running unstructured grid based {CFD} solvers on modern graphics hardware},
-	Year = {2009}}
+        Author = {Andrew Corrigan and Fernando Camelli and Rainald L{\"o}hner and John Wallin},
+        Booktitle = {19th AIAA Computational Fluid Dynamics Conference},
+        Month = jun,
+        Note = {AIAA 2009-4001},
+        Pages = {1-11},
+        Title = {Running unstructured grid based {CFD} solvers on modern graphics hardware},
+        Year = {2009}}
 
 @article{CoFrLe28,
-	Author = {R. Courant and K. O. Friedrichs and H. Lewy},
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-	Pages = {32-74},
-	Title = {\"{U}ber die partiellen {D}ifferenzengleichungen der mathematischen {P}hysik},
-	Volume = {100},
-	Year = {1928}}
+        Author = {R. Courant and K. O. Friedrichs and H. Lewy},
+        Journal = {Mathematische Annalen},
+        Pages = {32-74},
+        Title = {\"{U}ber die partiellen {D}ifferenzengleichungen der mathematischen {P}hysik},
+        Volume = {100},
+        Year = {1928}}
 
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-	Journal = {Communications on Pure and Applied Mathematics},
-	Pages = {243-255},
-	Title = {On the solution of nonlinear hyperbolic differential equations by finite differences},
-	Volume = {5},
-	Year = {1952}}
+        Author = {R. Courant and E. Isaacson and M. Rees},
+        Journal = {Communications on Pure and Applied Mathematics},
+        Pages = {243-255},
+        Title = {On the solution of nonlinear hyperbolic differential equations by finite differences},
+        Volume = {5},
+        Year = {1952}}
 
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-	Volume = {101},
-	Year = {1941}}
+        Author = {T. G. Cowling},
+        Journal = {Mon. Not. Roy. Astron. Soc.},
+        Pages = {369-373},
+        Title = {The non-radial oscillations of polytropic stars},
+        Volume = {101},
+        Year = {1941}}
 
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-	Pages = {509-528},
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-	Volume = {15},
-	Year = {1971}}
+        Author = {A. Craggs},
+        Journal = {J. Sound Vib.},
+        Pages = {509-528},
+        Title = {The transient response of a coupled plate-acoustic system using plate and acoustic finite elements},
+        Volume = {15},
+        Year = {1971}}
 
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-	Author = {S. Crampin},
-	Journal = gjras,
-	Pages = {17-28},
-	Title = {An introduction to wave propagation in anisotropic media},
-	Volume = {76},
-	Year = {1984}}
+        Author = {S. Crampin},
+        Journal = gjras,
+        Pages = {17-28},
+        Title = {An introduction to wave propagation in anisotropic media},
+        Volume = {76},
+        Year = {1984}}
 
 @article{CrChHi84,
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-	Journal = gjras,
-	Pages = {1-16},
-	Title = {Seismic anisotropy - the state of the art {II}},
-	Volume = {76},
-	Year = {1984}}
+        Author = {S. Crampin and E. M. Chesnokov and R. G. Hipkin},
+        Journal = gjras,
+        Pages = {1-16},
+        Title = {Seismic anisotropy - the state of the art {II}},
+        Volume = {76},
+        Year = {1984}}
 
 @article{CraTay77,
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-	Number = {1-3},
-	Pages = {71-87},
-	Title = {The propagation of surface waves in anisotropic media},
-	Volume = {25},
-	Year = {1977}}
+        Author = {S. Crampin and D. B. Taylor},
+        Journal = gji,
+        Number = {1-3},
+        Pages = {71-87},
+        Title = {The propagation of surface waves in anisotropic media},
+        Volume = {25},
+        Year = {1977}}
 
 @article{CrPiNoMcTa90,
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-	Volume = {55},
-	Year = {1990}}
+        Author = {E. Crase and A. Pica and M. Noble and J. McDonald and A. Tarantola},
+        Journal = geophysics,
+        Pages = {527-538},
+        Title = {Robust elastic non-linear waveform inversion: application to real data},
+        Volume = {55},
+        Year = {1990}}
 
 @article{Creager92,
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-	Pages = {309-314},
-	Title = {Anisotropy of the inner core from differential travel times of the phase {PKP} and {PKIKP}},
-	Volume = {356},
-	Year = {1992}}
+        Author = {K. C. Creager},
+        Journal = {Nature},
+        Pages = {309-314},
+        Title = {Anisotropy of the inner core from differential travel times of the phase {PKP} and {PKIKP}},
+        Volume = {356},
+        Year = {1992}}
 
 @incollection{CrJeMoPiSe99,
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+        Author = {P. Cristini and F. Jensen and D. Morisset and J. Piraux and J. P. Sessarego},
+        Booktitle = {Theoretical and Computational Acoustics' 97},
+        Editor = {Y H Pao and E C Shang and Y C Teng},
+        Pages = {999998-999999},
+        Publisher = {World Scientific Publisher},
+        Title = {Experimental benchmarks for numerical propagation models: comparison between numerical results and tank experiments for deep and shallow water environments},
+        Year = {1999}}
 
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-	Volume = {93},
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+        Author = {P. Cummins and L. R. Johnson},
+        Journal = jgr,
+        Pages = {9058-9074},
+        Title = {Short-period body wave constraints on properties of the {E}arth's Inner Core Boundary},
+        Volume = {93},
+        Year = {1988}}
 
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+        Author = {P. K. Currie},
+        Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
+        Pages = {163-173},
+        Title = {The secular equation for {R}ayleigh waves on elastic crystals},
+        Volume = {32},
+        Year = {1979}}
 
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+        Address = {New York, USA},
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+        Booktitle = {Proceedings of the 24th National ACM Conference},
+        Pages = {157-172},
+        Publisher = {ACM Press},
+        Title = {Reducing the bandwidth of sparse symmetric matrices},
+        Year = {1969}}
 
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-	Volume = {51},
-	Year = {1986}}
+        Author = {M. A. Dablain},
+        Journal = geophysics,
+        Number = {1},
+        Pages = {54-66},
+        Title = {The application of high-order differencing to the scalar wave equation},
+        Volume = {51},
+        Year = {1986}}
 
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+        Author = {F. A. Dahlen and A. M. Baig},
+        Journal = gji,
+        Pages = {440-466},
+        Title = {Fr\'echet kernels for body-wave amplitudes},
+        Volume = {150},
+        Year = {2002}}
 
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-	Year = {1998}}
+        Address = {Princeton, New-Jersey, USA},
+        Author = {F. A. Dahlen and J. Tromp},
+        Publisher = {Princeton University Press},
+        Title = {Theoretical Global Seismology},
+        Year = {1998}}
 
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+        Author = {N. Dai and A. Vafidis and E. R. Kanasevich},
+        Journal = geophysics,
+        Pages = {327-340},
+        Title = {Wave propagation in heterogeneous, porous media: {A} velocity-stress, finite-difference method},
+        Volume = {60},
+        Year = {1995}}
 
 @article{DaEkDz08,
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-	Year = {2008},
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+        Author = {C. A. Dalton and G. Ekstr\"{o}m and A. M. Dziewo\'nski},
+        Doi = {10.1029/2006JB004394},
+        Journal = jgr,
+        Pages = {B05317},
+        Title = {The global attenuation structure of the upper mantle},
+        Volume = {113},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2006JB004394}}
 
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+        Author = {E. Danicki},
+        Journal = jasa,
+        Number = {1},
+        Pages = {84-92},
+        Title = {Resonant phenomena in bulk-wave scattering by in-plane periodic cracks},
+        Volume = {105},
+        Year = {1999}}
 
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-	Volume = {100},
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+        Author = {E. Danicki},
+        Journal = jasa,
+        Number = {5},
+        Pages = {2942-2948},
+        Title = {Interfacial waves in an elastic body fractured by periodic cracks},
+        Volume = {100},
+        Year = {1996}}
 
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-	Author = {K. T. Danielson and R. R. Namburu},
-	Journal = {Advances in Engineering Software},
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-	Pages = {179-186},
-	Title = {Nonlinear dynamic finite element analysis on parallel computers using {F}ortran90 and {MPI}},
-	Volume = {29},
-	Year = {1998}}
+        Author = {K. T. Danielson and R. R. Namburu},
+        Journal = {Advances in Engineering Software},
+        Number = {3-6},
+        Pages = {179-186},
+        Title = {Nonlinear dynamic finite element analysis on parallel computers using {F}ortran90 and {MPI}},
+        Volume = {29},
+        Year = {1998}}
 
 @article{Dar98a,
-	Author = {A. N. Darinskii},
-	Journal = {Wave Motion},
-	Pages = {79-93},
-	Title = {Quasi-bulk {R}ayleigh waves in semi-infinite media of arbitrary anisotropy},
-	Volume = {27},
-	Year = {1998}}
+        Author = {A. N. Darinskii},
+        Journal = {Wave Motion},
+        Pages = {79-93},
+        Title = {Quasi-bulk {R}ayleigh waves in semi-infinite media of arbitrary anisotropy},
+        Volume = {27},
+        Year = {1998}}
 
 @article{Dar98b,
-	Author = {A. N. Darinskii},
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-	Pages = {1845-1854},
-	Title = {Leaky waves and the elastic wave resonance reflection on a crystal-thin solid layer interface. {II} {L}eaky waves given rise to by exceptional bulk waves},
-	Volume = {103},
-	Year = {1998}}
+        Author = {A. N. Darinskii},
+        Journal = jasa,
+        Pages = {1845-1854},
+        Title = {Leaky waves and the elastic wave resonance reflection on a crystal-thin solid layer interface. {II} {L}eaky waves given rise to by exceptional bulk waves},
+        Volume = {103},
+        Year = {1998}}
 
 @article{Dar97,
-	Author = {A. N. Darinskii},
-	Journal = {Wave Motion},
-	Pages = {35-49},
-	Title = {On the theory of leaky waves in crystals},
-	Volume = {25},
-	Year = {1997}}
+        Author = {A. N. Darinskii},
+        Journal = {Wave Motion},
+        Pages = {35-49},
+        Title = {On the theory of leaky waves in crystals},
+        Volume = {25},
+        Year = {1997}}
 
 @article{DarAlsLot99,
-	Author = {A. N. Darinskii and V. I. Alshits and J. Lothe},
-	Journal = {Wave Motion},
-	Pages = {253-274},
-	Title = {Simple reflection and leaky waves in the vicinity of a line of exceptional bulk waves},
-	Volume = {30},
-	Year = {1999}}
+        Author = {A. N. Darinskii and V. I. Alshits and J. Lothe},
+        Journal = {Wave Motion},
+        Pages = {253-274},
+        Title = {Simple reflection and leaky waves in the vicinity of a line of exceptional bulk waves},
+        Volume = {30},
+        Year = {1999}}
 
 @article{DarAlsLotLyuShu98,
-	Author = {A. N. Darinskii and V. I. Alshits and J. Lothe and V. N. Lyubimov and A. L. Shuvalov},
-	Journal = {Wave Motion},
-	Pages = {241-257},
-	Title = {An existence criterion for the branch of two-component surface waves in anisotropic elastic media},
-	Volume = {28},
-	Year = {1998}}
+        Author = {A. N. Darinskii and V. I. Alshits and J. Lothe and V. N. Lyubimov and A. L. Shuvalov},
+        Journal = {Wave Motion},
+        Pages = {241-257},
+        Title = {An existence criterion for the branch of two-component surface waves in anisotropic elastic media},
+        Volume = {28},
+        Year = {1998}}
 
 @article{DarWei05,
-	Author = {A. N. Darinskii and M. Weihnacht},
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-	Number = {5},
-	Pages = {792-801},
-	Title = {Acoustic waves in bounded anisotropic media: theorems, estimations, and computations},
-	Volume = {52},
-	Year = {2005}}
+        Author = {A. N. Darinskii and M. Weihnacht},
+        Journal = {IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control},
+        Number = {5},
+        Pages = {792-801},
+        Title = {Acoustic waves in bounded anisotropic media: theorems, estimations, and computations},
+        Volume = {52},
+        Year = {2005}}
 
 @article{Dar03,
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-	Journal = jcp,
-	Pages = {9999998-9999999},
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-	Volume = {9999999},
-	Year = {2003}}
+        Author = {E. Darrigrand},
+        Journal = jcp,
+        Pages = {9999998-9999999},
+        Title = {Coupling of {F}ast {M}ultipole {M}ethod and {M}icrolocal {D}iscretization for the 3{D} {H}elmholtz {E}quation},
+        Volume = {9999999},
+        Year = {2003}}
 
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-	Year = {1988}}
+        Author = {I. Daubechies},
+        Journal = {Communications in Pure and Applied Mathematics},
+        Number = {7},
+        Pages = {9999998-9999999},
+        Title = {Orthonormal bases of supported wavelets},
+        Volume = {41},
+        Year = {1988}}
 
 @article{DaWe73,
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-	Volume = {63},
-	Year = {1973}}
+        Author = {L. L. Davis and L. R. West},
+        Journal = bssa,
+        Pages = {283-298},
+        Title = {Observed effects of topography on ground motion},
+        Volume = {63},
+        Year = {1973}}
 
 @article{DaRuLiGaKn00,
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-	Title = {Northridge earthquake damage caused by geologic focusing of seismic waves},
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-	Year = {2000}}
+        Author = {P. M. Davis and J. L. Rubinstein and K. H. Liu and S. S. Gao and L. Knopoff},
+        Journal = {Science},
+        Pages = {1746-1750},
+        Title = {Northridge earthquake damage caused by geologic focusing of seismic waves},
+        Volume = {289},
+        Year = {2000}}
 
 @article{DaNaYe89,
-	Author = {T. L. Davis and J. Namson and R. F. Yerkes},
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-	Pages = {9644-9664},
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-	Volume = {94},
-	Year = {1989}}
+        Author = {T. L. Davis and J. Namson and R. F. Yerkes},
+        Journal = jgr,
+        Pages = {9644-9664},
+        Title = {A cross-section of the {L}os {A}ngeles area: seismically active fold-and-thrust belt, the 1987 {W}hittier {N}arrows Earthquake and earthquake hazard},
+        Volume = {94},
+        Year = {1989}}
 
 @article{Day98,
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-	Pages = {1051-1062},
-	Title = {Efficient simulation of constant {{\it Q}} using coarse-grained memory variables},
-	Volume = {88},
-	Year = {1998}}
+        Author = {S. M. Day},
+        Journal = bssa,
+        Pages = {1051-1062},
+        Title = {Efficient simulation of constant {{\it Q}} using coarse-grained memory variables},
+        Volume = {88},
+        Year = {1998}}
 
 @article{DaBr01,
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-	Journal = bssa,
-	Pages = {520-531},
-	Title = {Memory-efficient simulation of anelastic wave propagation},
-	Volume = {91},
-	Year = {2001}}
+        Author = {S. M. Day and C. Bradley},
+        Journal = bssa,
+        Pages = {520-531},
+        Title = {Memory-efficient simulation of anelastic wave propagation},
+        Volume = {91},
+        Year = {2001}}
 
 @article{DeSeWh08,
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-	Doi = {10.1111/j.1365-246X.2008.03915.x},
-	Journal = gji,
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-	Title = {The interior penalty discontinuous {G}alerkin method for elastic wave propagation: grid dispersion},
-	Volume = {175},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2008.03915.x}}
+        Author = {De Basabe, J. D. and Sen, M. K. and Wheeler, M. F.},
+        Doi = {10.1111/j.1365-246X.2008.03915.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {83-93},
+        Title = {The interior penalty discontinuous {G}alerkin method for elastic wave propagation: grid dispersion},
+        Volume = {175},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2008.03915.x}}
 
 @article{DeSe10,
-	Author = {Jon{\'a}s D. {De Basabe} and Mrinal K. Sen},
-	Doi = {10.1111/j.1365-246X.2010.04536.x},
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-	Volume = {181},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04536.x}}
+        Author = {Jon{\'a}s D. {De Basabe} and Mrinal K. Sen},
+        Doi = {10.1111/j.1365-246X.2010.04536.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {577-590},
+        Title = {Stability of the high-order finite elements for acoustic or elastic wave propagation with high-order time stepping},
+        Volume = {181},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04536.x}}
 
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-	Author = {Jon{\'a}s D. {De Basabe} and Mrinal K. Sen},
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-	Volume = {72},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2785046}}
+        Author = {Jon{\'a}s D. {De Basabe} and Mrinal K. Sen},
+        Doi = {10.1190/1.2785046},
+        Journal = geophysics,
+        Number = {6},
+        Pages = {T81-T95},
+        Title = {Grid dispersion and stability criteria of some common finite-element methods for acoustic and elastic wave equations},
+        Volume = {72},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2785046}}
 
 @book{Boo78,
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-	Year = {1978}}
+        Address = {New York},
+        Author = {C. {De Boor}},
+        Publisher = {Springer-Verlag},
+        Series = {Applied Mathematical Sciences},
+        Title = {A practical guide to splines},
+        Volume = {27},
+        Year = {1978}}
 
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-	Journal = geophysics,
-	Pages = {253-266},
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-	Year = {1958}}
+        Author = {J. C. {De Bremaecker}},
+        Journal = geophysics,
+        Pages = {253-266},
+        Title = {Transmission and reflection of {R}ayleigh waves at corners},
+        Volume = {23},
+        Year = {1958}}
 
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-	Pages = {512-522},
-	Title = {3{D} Spectral Element Method simulations of the seismic response in the {C}aracas basin},
-	Volume = {1},
-	Year = {2006}}
+        Address = {Grenoble, France},
+        Author = {E. Delavaud and P. Cupillard and G. Festa and J.-P. Vilotte},
+        Booktitle = {Proc. of the Third International Symposium on the Effects of Surface Geology on Seismic Motion},
+        Pages = {512-522},
+        Title = {3{D} Spectral Element Method simulations of the seismic response in the {C}aracas basin},
+        Volume = {1},
+        Year = {2006}}
 
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-	Title = {Analyse num\'erique et \'equations diff\'erentielles},
-	Year = {1991}}
+        Address = {Grenoble},
+        Author = {Jean-Pierre Demailly},
+        Publisher = {Presses Universitaires de Grenoble},
+        Title = {Analyse num\'erique et \'equations diff\'erentielles},
+        Year = {1991}}
 
 @article{DerMin57,
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-	Number = {6},
-	Pages = {669-671},
-	Title = {Waves on the surface of a crystal},
-	Volume = {28},
-	Year = {1957}}
+        Author = {H. Deresiewicz and R. D. Mindlin},
+        Journal = {Journal of Applied Physics},
+        Number = {6},
+        Pages = {669-671},
+        Title = {Waves on the surface of a crystal},
+        Volume = {28},
+        Year = {1957}}
 
 @article{DeHu09,
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-	Pages = {469-477},
-	Title = {Complex surface rays associated with inhomogeneous skimming and {R}ayleigh waves},
-	Volume = {44},
-	Year = {2009}}
+        Author = {M. Deschamps and G. Huet},
+        Journal = {Int. J. Nonlinear Mech.},
+        Pages = {469-477},
+        Title = {Complex surface rays associated with inhomogeneous skimming and {R}ayleigh waves},
+        Volume = {44},
+        Year = {2009}}
 
 @article{DesPon02,
-	Author = {M. Deschamps and O. Poncelet},
-	Journal = {Ultrasonics},
-	Pages = {293-296},
-	Title = {Inhomogeneous plane wave and the most energetic complex ray},
-	Volume = {40},
-	Year = {2002}}
+        Author = {M. Deschamps and O. Poncelet},
+        Journal = {Ultrasonics},
+        Pages = {293-296},
+        Title = {Inhomogeneous plane wave and the most energetic complex ray},
+        Volume = {40},
+        Year = {2002}}
 
 @article{DePa03,
-	Author = {J. X. Dessa and G. Pascal},
-	Doi = {10.1046/j.1365-246X.2003.01956.x},
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-	Title = {Combined traveltime and frequency-domain seismic waveform inversion: a case study on multi-offset ultrasonic data},
-	Volume = {154},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.2003.01956.x}}
+        Author = {J. X. Dessa and G. Pascal},
+        Doi = {10.1046/j.1365-246X.2003.01956.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {117-133},
+        Title = {Combined traveltime and frequency-domain seismic waveform inversion: a case study on multi-offset ultrasonic data},
+        Volume = {154},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.2003.01956.x}}
 
 @article{Des03,
-	Author = {M. Destrade},
-	Journal = {Mechanics of Materials},
-	Pages = {931-939},
-	Title = {Rayleigh waves in symmetry planes of crystals: explicit secular equations and some explicit wave speeds},
-	Volume = {35},
-	Year = {2003}}
+        Author = {M. Destrade},
+        Journal = {Mechanics of Materials},
+        Pages = {931-939},
+        Title = {Rayleigh waves in symmetry planes of crystals: explicit secular equations and some explicit wave speeds},
+        Volume = {35},
+        Year = {2003}}
 
 @article{Des01a,
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-	Journal = jasa,
-	Number = {4},
-	Pages = {1398-1402},
-	Title = {The explicit secular equation for surface acoustic waves in monoclinic elastic crystals},
-	Volume = {109},
-	Year = {2001}}
+        Author = {M. Destrade},
+        Journal = jasa,
+        Number = {4},
+        Pages = {1398-1402},
+        Title = {The explicit secular equation for surface acoustic waves in monoclinic elastic crystals},
+        Volume = {109},
+        Year = {2001}}
 
 @article{Des01b,
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-	Number = {2},
-	Pages = {837-840},
-	Title = {Surface waves in orthotropic incompressible materials},
-	Volume = {110},
-	Year = {2001}}
+        Author = {M. Destrade},
+        Journal = jasa,
+        Number = {2},
+        Pages = {837-840},
+        Title = {Surface waves in orthotropic incompressible materials},
+        Volume = {110},
+        Year = {2001}}
 
 @book{DeFiMu02,
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-	Year = {2002}}
+        Address = {Cambridge, United Kingdom},
+        Author = {M. O. Deville and P. F. Fischer and E. H. Mund},
+        Publisher = {Cambridge University Press},
+        Title = {High-Order Methods for Incompressible Fluid Flow},
+        Year = {2002}}
 
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-	Volume = {37},
-	Year = {1974}}
+        Author = {C. DeWitt-Morette},
+        Journal = {Comm. Math. Phys},
+        Pages = {63-81},
+        Title = {Feynman {P}ath {I}ntegrals : {I}) {L}inear {A}nd {A}ffine {T}echniques, {II}) {T}he {F}eynman-{G}reen function},
+        Volume = {37},
+        Year = {1974}}
 
 @book{DhTo84,
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-	Publisher = {John Wiley and sons},
-	Title = {The finite element method displayed},
-	Year = {1984}}
+        Address = {New York},
+        Author = {Gouri Dhatt and Gilbert Touzot},
+        Publisher = {John Wiley and sons},
+        Title = {The finite element method displayed},
+        Year = {1984}}
 
 @article{DiEz08,
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-	Note = {In preparation.},
-	Title = {A semi-analytical solution for a two-layer non dissipative poroelastic medium},
-	Year = {2008}}
+        Author = {Julien Diaz and Abdela\^aziz Ezziani},
+        Journal = jcp,
+        Note = {In preparation.},
+        Title = {A semi-analytical solution for a two-layer non dissipative poroelastic medium},
+        Year = {2008}}
 
 @article{DiGr09,
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-	Pages = {1985-2014},
-	Title = {Energy Conserving Explicit Local Time Stepping for Second-Order Wave Equations},
-	Volume = {31},
-	Year = {2009}}
+        Author = {Julien Diaz and Marcus J. Grote},
+        Journal = {SIAM J. Sci. Comput.},
+        Number = {3},
+        Pages = {1985-2014},
+        Title = {Energy Conserving Explicit Local Time Stepping for Second-Order Wave Equations},
+        Volume = {31},
+        Year = {2009}}
 
 @article{DiJo06,
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-	Volume = {195},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cma.2005.02.031}}
+        Author = {J. Diaz and P. Joly},
+        Doi = {10.1016/j.cma.2005.02.031},
+        Journal = cmame,
+        Number = {29-32},
+        Pages = {3820-3853},
+        Title = {A time-domain analysis of {PML} models in acoustics},
+        Volume = {195},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cma.2005.02.031}}
 
 @article{DiJo05,
-	Author = {J. Diaz and P. Joly},
-	Journal = jca,
-	Number = {3},
-	Pages = {403-431},
-	Title = {A robust high-order non-conforming finite-element formulation for time domain fluid-structure interaction},
-	Volume = {13},
-	Year = {2005}}
+        Author = {J. Diaz and P. Joly},
+        Journal = jca,
+        Number = {3},
+        Pages = {403-431},
+        Title = {A robust high-order non-conforming finite-element formulation for time domain fluid-structure interaction},
+        Volume = {13},
+        Year = {2005}}
 
 @misc{dobbswebsite,
-	Author = {Dr. Dobb's},
-	Month = {March},
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-	Year = {2008},
-	Bdsk-Url-1 = {www.ddj.com/hpc-high-performance-computing/207200659}}
+        Author = {Dr. Dobb's},
+        Month = {March},
+        Note = {{D}r. Dobb's Portal web site},
+        Url = {www.ddj.com/hpc-high-performance-computing/207200659},
+        Year = {2008},
+        Bdsk-Url-1 = {www.ddj.com/hpc-high-performance-computing/207200659}}
 
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-	Month = {October},
-	Pages = {1-5},
-	Title = {{HMPP: A} Hybrid Multi-core Parallel Programming Environment},
-	Url = {www.irisa.fr/caps/projects/Astex},
-	Year = {2007},
-	Bdsk-Url-1 = {www.irisa.fr/caps/projects/Astex}}
+        Address = {Boston, Massachusetts, USA},
+        Author = {R. Dolbeau and S. Bihan and F. Bodin},
+        Booktitle = {Proceedings of the Workshop on General Purpose Processing on Graphics Processing Units (GPGPU'2007)},
+        Month = {October},
+        Pages = {1-5},
+        Title = {{HMPP: A} Hybrid Multi-core Parallel Programming Environment},
+        Url = {www.irisa.fr/caps/projects/Astex},
+        Year = {2007},
+        Bdsk-Url-1 = {www.irisa.fr/caps/projects/Astex}}
 
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-	Volume = {2},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1088/1742-2132/2/3/003}}
+        Author = {Liangguo Dong and Deping She and Luping Guan and Zaitian Ma},
+        Doi = {10.1088/1742-2132/2/3/003},
+        Journal = {J. Geophys. Eng.},
+        Pages = {192-198},
+        Title = {An eigenvalue decomposition method to construct absorbing boundary conditions for acoustic and elastic wave equations},
+        Volume = {2},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1088/1742-2132/2/3/003}}
 
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-	Pages = {693-711},
-	Title = {Observable effects of the seismic absorption band in the {E}arth},
-	Volume = {75},
-	Year = {1983}}
+        Author = {D. J. Doornbos},
+        Journal = {Geophys. J. R. astr. Soc.},
+        Pages = {693-711},
+        Title = {Observable effects of the seismic absorption band in the {E}arth},
+        Volume = {75},
+        Year = {1983}}
 
 @article{Doornbos79,
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-	Pages = {353--379},
-	Title = {Attenuation of ${P}$ and ${S}$ waves diffracted around the core},
-	Volume = {57},
-	Year = {1979}}
+        Author = {Doornbos, D. J. and Mondt, J. C.},
+        Journal = {Geophys. J. R. astr. Soc.},
+        Pages = {353--379},
+        Title = {Attenuation of ${P}$ and ${S}$ waves diffracted around the core},
+        Volume = {57},
+        Year = {1979}}
 
 @article{DoSpSt86,
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-	Journal = pepi,
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-	Volume = {41},
-	Year = {1986}}
+        Author = {D. J. Doornbos and S. Spilopoulos and F. D. Stacey},
+        Journal = pepi,
+        Pages = {225-239},
+        Title = {Seismological properties of {D}'' and the structure of a thermal boundary layer},
+        Volume = {41},
+        Year = {1986}}
 
 @article{DoTa95,
-	Author = {E. Dormy and A. Tarantola},
-	Journal = jgr,
-	Pages = {2123-2133},
-	Title = {Numerical simulation of elastic wave propagation using a finite volume method},
-	Volume = {100},
-	Year = {1995}}
+        Author = {E. Dormy and A. Tarantola},
+        Journal = jgr,
+        Pages = {2123-2133},
+        Title = {Numerical simulation of elastic wave propagation using a finite volume method},
+        Volume = {100},
+        Year = {1995}}
 
 @phdthesis{Dou94,
-	Address = {Paris},
-	Author = {Christophe Doursat},
-	School = {Universit\'e Paris {\sc VI} Jussieu},
-	Title = {Qualit\'es, d\'efauts et am\'eliorations des maillages alg\'ebriques et elliptiques},
-	Year = {1994}}
+        Address = {Paris},
+        Author = {Christophe Doursat},
+        School = {Universit\'e Paris {\sc VI} Jussieu},
+        Title = {Qualit\'es, d\'efauts et am\'eliorations des maillages alg\'ebriques et elliptiques},
+        Year = {1994}}
 
 @article{Dra72,
-	Author = {L. A. Drake},
-	Journal = bssa,
-	Number = {5},
-	Pages = {1241-1258},
-	Title = {Love and {R}ayleigh waves in nonhorizontally layered media},
-	Volume = {62},
-	Year = {1972}}
+        Author = {L. A. Drake},
+        Journal = bssa,
+        Number = {5},
+        Pages = {1241-1258},
+        Title = {Love and {R}ayleigh waves in nonhorizontally layered media},
+        Volume = {62},
+        Year = {1972}}
 
 @article{DrMo87,
-	Author = {M. Dravinski and T. K. Mossessian},
-	Journal = bssa,
-	Pages = {212-235},
-	Title = {Scattering of plane harmonic {{\it P}}, {{\it SV}} and {R}ayleigh waves by dipping layers of arbitrary shape},
-	Volume = {77},
-	Year = {1987}}
+        Author = {M. Dravinski and T. K. Mossessian},
+        Journal = bssa,
+        Pages = {212-235},
+        Title = {Scattering of plane harmonic {{\it P}}, {{\it SV}} and {R}ayleigh waves by dipping layers of arbitrary shape},
+        Volume = {77},
+        Year = {1987}}
 
 @article{DrHe90,
-	Author = {D. S. Dreger and D. V. Helmberger},
-	Journal = bssa,
-	Pages = {1162-1179},
-	Title = {Broadband modeling of local earthquakes},
-	Volume = {80},
-	Year = {1990}}
+        Author = {D. S. Dreger and D. V. Helmberger},
+        Journal = bssa,
+        Pages = {1162-1179},
+        Title = {Broadband modeling of local earthquakes},
+        Volume = {80},
+        Year = {1990}}
 
 @article{DrGi07a,
-	Author = {Francis H. Drossaert and Antonios Giannopoulos},
-	Doi = {10.1190/1.2424888},
-	Journal = geophysics,
-	Number = {2},
-	Pages = {T9-T17},
-	Title = {A nonsplit complex frequency-shifted {PML} based on recursive integration for {FDTD} modeling of elastic waves},
-	Volume = {72},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2424888}}
+        Author = {Francis H. Drossaert and Antonios Giannopoulos},
+        Doi = {10.1190/1.2424888},
+        Journal = geophysics,
+        Number = {2},
+        Pages = {T9-T17},
+        Title = {A nonsplit complex frequency-shifted {PML} based on recursive integration for {FDTD} modeling of elastic waves},
+        Volume = {72},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2424888}}
 
 @article{DrGi07b,
-	Author = {F. H. Drossaert and A. Giannopoulos},
-	Doi = {10.1016/j.wavemoti.2007.03.003},
-	Journal = {Wave Motion},
-	Number = {7-8},
-	Pages = {593-604},
-	Title = {Complex frequency shifted convolution {PML} for {FDTD} modelling of elastic waves},
-	Volume = {44},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.wavemoti.2007.03.003}}
+        Author = {F. H. Drossaert and A. Giannopoulos},
+        Doi = {10.1016/j.wavemoti.2007.03.003},
+        Journal = {Wave Motion},
+        Number = {7-8},
+        Pages = {593-604},
+        Title = {Complex frequency shifted convolution {PML} for {FDTD} modelling of elastic waves},
+        Volume = {44},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.wavemoti.2007.03.003}}
 
 @article{Dro93,
-	Author = {Jean-Jacques Droux},
-	Doi = {10.1016/0045-7825(93)90199-8},
-	Journal = cmame,
-	Number = {2},
-	Pages = {249-260},
-	Title = {An algorithm to optimally color a mesh},
-	Volume = {104},
-	Year = {1993},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/0045-7825(93)90199-8}}
+        Author = {Jean-Jacques Droux},
+        Doi = {10.1016/0045-7825(93)90199-8},
+        Journal = cmame,
+        Number = {2},
+        Pages = {249-260},
+        Title = {An algorithm to optimally color a mesh},
+        Volume = {104},
+        Year = {1993},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/0045-7825(93)90199-8}}
 
 @article{Dub93,
-	Author = {M. Dubiner},
-	Journal = {J. Sci. Comp.},
-	Pages = {345-390},
-	Title = {Spectral methods on triangles and other domains},
-	Volume = {6},
-	Year = {1993}}
+        Author = {M. Dubiner},
+        Journal = {J. Sci. Comp.},
+        Pages = {345-390},
+        Title = {Spectral methods on triangles and other domains},
+        Volume = {6},
+        Year = {1993}}
 
 @article{DuFeKoArSi08,
-	Author = {L. Dubois and Kurt L. Feigl and Dimitri Komatitsch and T. \'Arnad\'ottir and Freysteinn Sigmundsson},
-	Doi = {10.1016/j.tecto.2008.05.020},
-	Journal = {Tectonophysics},
-	Pages = {12-29},
-	Title = {Three-dimensional mechanical models for the {J}une 2000 earthquake sequence in the south {I}celand seismic zone},
-	Volume = {457},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.tecto.2008.05.020}}
+        Author = {L. Dubois and Kurt L. Feigl and Dimitri Komatitsch and T. \'Arnad\'ottir and Freysteinn Sigmundsson},
+        Doi = {10.1016/j.tecto.2008.05.020},
+        Journal = {Tectonophysics},
+        Pages = {12-29},
+        Title = {Three-dimensional mechanical models for the {J}une 2000 earthquake sequence in the south {I}celand seismic zone},
+        Volume = {457},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.tecto.2008.05.020}}
 
 @article{Dubosetal2003,
-	Author = {N. Dubos and A. Souriau and C. Ponsolles and J. F. Fels and G. S\'en\'echal},
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-	Pages = {33-44},
-	Title = {{\'E}tude des effets de sites dans la ville de {L}ourdes ({P}yr\'en\'ees, {F}rance) par la m\'ethode des rapports spectraux},
-	Volume = {174},
-	Year = {2003}}
+        Author = {N. Dubos and A. Souriau and C. Ponsolles and J. F. Fels and G. S\'en\'echal},
+        Journal = {Bull. Soc. G\'eol. Fr.},
+        Number = {1},
+        Pages = {33-44},
+        Title = {{\'E}tude des effets de sites dans la ville de {L}ourdes ({P}yr\'en\'ees, {F}rance) par la m\'ethode des rapports spectraux},
+        Volume = {174},
+        Year = {2003}}
 
 @article{Duf08,
-	Author = {Th. S. Duffy},
-	Doi = {10-1098/rsta.2008.0172},
-	Journal = {Phil. Trans. R. Soc. A},
-	Pages = {4273-4293},
-	Title = {Some recent advances in understanding the mineralogy of {E}arth's deep mantle},
-	Volume = {366},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10-1098/rsta.2008.0172}}
+        Author = {Th. S. Duffy},
+        Doi = {10-1098/rsta.2008.0172},
+        Journal = {Phil. Trans. R. Soc. A},
+        Pages = {4273-4293},
+        Title = {Some recent advances in understanding the mineralogy of {E}arth's deep mantle},
+        Volume = {366},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10-1098/rsta.2008.0172}}
 
 @article{DuKa06,
-	Author = {M. Dumbser and M. K\"aser},
-	Doi = {10.1111/j.1365-246X.2006.03120.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {319-336},
-	Title = {An arbitrary high-order discontinuous {G}alerkin method for elastic waves on unstructured meshes-{II}. {T}he three-dimensional isotropic case},
-	Volume = {167},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03120.x}}
+        Author = {M. Dumbser and M. K\"aser},
+        Doi = {10.1111/j.1365-246X.2006.03120.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {319-336},
+        Title = {An arbitrary high-order discontinuous {G}alerkin method for elastic waves on unstructured meshes-{II}. {T}he three-dimensional isotropic case},
+        Volume = {167},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03120.x}}
 
 @article{DuKaTo07,
-	Author = {Michael Dumbser and Martin K\"aser and Eleuterio Toro},
-	Doi = {10.1111/j.1365-246X.2007.03427.x},
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-	Number = {2},
-	Pages = {695-717},
-	Title = {An arbitrary high-order discontinuous {G}alerkin method for elastic waves on unstructured meshes, {P}art {V}: Local time stepping and $p$-adaptivity},
-	Volume = {171},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2007.03427.x}}
+        Author = {Michael Dumbser and Martin K\"aser and Eleuterio Toro},
+        Doi = {10.1111/j.1365-246X.2007.03427.x},
+        Journal = gji,
+        Number = {2},
+        Pages = {695-717},
+        Title = {An arbitrary high-order discontinuous {G}alerkin method for elastic waves on unstructured meshes, {P}art {V}: Local time stepping and $p$-adaptivity},
+        Volume = {171},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2007.03427.x}}
 
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-	Author = {T. Dupond},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Pages = {880-891},
-	Title = {A {$L^2$} estimate of {G}alerkin methods for second order hyperbolic equations},
-	Volume = {10},
-	Year = {1973}}
+        Author = {T. Dupond},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Pages = {880-891},
+        Title = {A {$L^2$} estimate of {G}alerkin methods for second order hyperbolic equations},
+        Volume = {10},
+        Year = {1973}}
 
 @article{DuDeFoKoRo10,
-	Author = {Fabrice Dupros and de Martin, Florent and Evelyne Foerster and Dimitri Komatitsch and Jean Roman},
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-	Pages = {308-325},
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-	Volume = {36},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.parco.2009.12.011}}
+        Author = {Fabrice Dupros and de Martin, Florent and Evelyne Foerster and Dimitri Komatitsch and Jean Roman},
+        Doi = {10.1016/j.parco.2009.12.011},
+        Journal = {Parallel Computing},
+        Number = {5-6},
+        Pages = {308-325},
+        Title = {High-performance finite-element simulations of seismic wave propagation in three-dimensional non linear inelastic geological media},
+        Volume = {36},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.parco.2009.12.011}}
 
 @article{DuPoAoMeKoRo11,
-	Author = {Fabrice Dupros and Christiane Pousa-Ribeiro and Hideo Aochi and Jean-Fran\c{c}ois M\'{e}haut and Dimitri Komatitsch and Jean Roman},
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-	Note = {Submitted in October 2010.},
-	Title = {Efficient stencil computation on multicore architectures: {A}pplication to the finite-difference method for seismic wave propagation},
-	Year = {2011}}
+        Author = {Fabrice Dupros and Christiane Pousa-Ribeiro and Hideo Aochi and Jean-Fran\c{c}ois M\'{e}haut and Dimitri Komatitsch and Jean Roman},
+        Journal = {Concurrency Computation Practice and Experience},
+        Note = {Submitted in October 2010.},
+        Title = {Efficient stencil computation on multicore architectures: {A}pplication to the finite-difference method for seismic wave propagation},
+        Year = {2011}}
 
 @article{DuJoGuKeKo10,
-	Author = {Guilhem Dupuy and Bruno Jobard and Sebastien Guillon and Noomane Keskes and Dimitri Komatitsch},
-	Doi = {10.1016/j.cad.2009.04.016},
-	Journal = {Computer-Aided Design},
-	Number = {2},
-	Pages = {129-138},
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-	Volume = {42},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cad.2009.04.016}}
+        Author = {Guilhem Dupuy and Bruno Jobard and Sebastien Guillon and Noomane Keskes and Dimitri Komatitsch},
+        Doi = {10.1016/j.cad.2009.04.016},
+        Journal = {Computer-Aided Design},
+        Number = {2},
+        Pages = {129-138},
+        Title = {Parallel extraction and simplification of large isosurfaces using an extended tandem algorithm},
+        Volume = {42},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cad.2009.04.016}}
 
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-	Author = {B. Duquet and B. Lavaud and F. Prat},
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-	Title = {Improving {GSP} Extrapolators},
-	Year = {2003}}
+        Author = {B. Duquet and B. Lavaud and F. Prat},
+        Booktitle = {Proceedings of the SEG},
+        Note = {submitted.},
+        Title = {Improving {GSP} Extrapolators},
+        Year = {2003}}
 
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+        Address = {Paris},
+        Author = {G. Duvaut},
+        Publisher = {Masson},
+        Title = {M\'ecanique des milieux continus},
+        Year = {1990}}
 
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+        Author = {A. Dynin},
+        Journal = {Letters in Mathematical Physics},
+        Number = {4},
+        Pages = {317-330},
+        Title = {A rigorous path integral construction in any dimension},
+        Volume = {44},
+        Year = {1998}}
 
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-	Year = {2000}}
+        Address = {Roma, Italy},
+        Author = {A. M. Dziewo\'nski},
+        Booktitle = {Problems in Geophysics for the New Millennium},
+        Editor = {E. Boschi and G. Ekstr\"{o}m and A. Morelli},
+        Pages = {289-350},
+        Publisher = {INGV},
+        Title = {Global seismic tomography: past, present, and future},
+        Year = {2000}}
 
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-	Pages = {297-356},
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-	Volume = {25},
-	Year = {1981}}
+        Author = {A. M. Dziewo\'nski and D. L. Anderson},
+        Journal = pepi,
+        Pages = {297-356},
+        Title = {Preliminary reference {E}arth model},
+        Volume = {25},
+        Year = {1981}}
 
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-	Journal = jgr,
-	Pages = {239--255},
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-	Volume = {82},
-	Year = {1977}}
+        Author = {Dziewo\'nski, A. M. and B. H. Hager and R. J. O'Connell},
+        Journal = jgr,
+        Pages = {239--255},
+        Title = {Large-scale heterogeneities in the lower mantle},
+        Volume = {82},
+        Year = {1977}}
 
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-	Volume = {300},
-	Year = {2003}}
+        Author = {D. Eberhart-Phillips and P. J. Haeussler and J. T. Freymueller and A. D. Frankel and C. M. Rubin and P. Craw and N. A. Ratchkovski and G. Anderson and G. A. Carver and A. J. Crone and T. E. Dawson and H. Fletcher and R. Hansen and E. L. Harp and R. A. Harris and D. P. Hill and S. Hreinsdottir and R. W. Jibson and L. M. Jones and R. Kayen and D. K. Keefer and C. F. Larsen and S. C. Moran and S. F. Personius and G. Plafker and B. Sherrod and K. Sieh and N. Sitar and W. K. Wallace},
+        Journal = {Science},
+        Pages = {1113-1118},
+        Title = {The 2002 {D}enali Fault Earthquake, {A}laska: a Large Magnitude, Slip-Partitioned Event},
+        Volume = {300},
+        Year = {2003}}
 
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+        Author = {L. Eisner and R. W. Clayton},
+        Journal = pageoph,
+        Pages = {1691-1706},
+        Title = {A full waveform test of the southern {C}alifornia velocity model by the reciprocity method},
+        Volume = {159},
+        Year = {2002}}
 
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-	Pages = {2289-2292},
-	Title = {Calculation of static deformation following the {B}olivia earthquake by summation of {E}arth's normal modes},
-	Volume = {22},
-	Year = {1995}}
+        Author = {G. Ekstr\"{o}m},
+        Journal = grl,
+        Number = {16},
+        Pages = {2289-2292},
+        Title = {Calculation of static deformation following the {B}olivia earthquake by summation of {E}arth's normal modes},
+        Volume = {22},
+        Year = {1995}}
 
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-	Pages = {168-172},
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-	Volume = {394},
-	Year = {1998}}
+        Author = {G. Ekstr\"{o}m and A. M. Dziewo\'nski},
+        Journal = {Nature},
+        Pages = {168-172},
+        Title = {The unique anisotropy of the {P}acific upper mantle},
+        Volume = {394},
+        Year = {1998}}
 
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-	Year = {2009},
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+        Author = {Ch. P. {El Soueidy} and A. Younes and P. Ackerer},
+        Doi = {10.1002/nme.2609},
+        Journal = ijnme,
+        Number = {9},
+        Pages = {1068-1093},
+        Title = {Solving the advection-diffusion equation on unstructured meshes with discontinuous/mixed finite elements and a local time stepping procedure},
+        Volume = {79},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.2609}}
 
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+        Author = {Erich Elsen and Patrick LeGresley and Eric Darve},
+        Doi = {10.1016/j.jcp.2008.08.023},
+        Journal = jcp,
+        Month = dec,
+        Number = {24},
+        Pages = {10148--10161},
+        Title = {Large calculation of the flow over a hypersonic vehicle using a {GPU}},
+        Volume = {227},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2008.08.023}}
 
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-	Volume = {139},
-	Year = {1999}}
+        Author = {V. Emery and V. Maupin and H. C. Nataf},
+        Journal = gji,
+        Number = {2},
+        Pages = {325-344},
+        Title = {Scattering of {S} waves diffracted at the core-mantle boundary: forward modelling},
+        Volume = {139},
+        Year = {1999}}
 
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-	Journal = geophysics,
-	Pages = {1252-1264},
-	Title = {Incorporation of attenuation into time-domain computations of seismic wave fields},
-	Volume = {52},
-	Year = {1987}}
+        Author = {H. Emmerich and M. Korn},
+        Journal = geophysics,
+        Pages = {1252-1264},
+        Title = {Incorporation of attenuation into time-domain computations of seismic wave fields},
+        Volume = {52},
+        Year = {1987}}
 
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-	Journal = {Applied Physics Letters},
-	Pages = {311-313},
-	Title = {Elastic surface waves in alpha-quartz: observation of leaky surface waves},
-	Volume = {10},
-	Year = {1967}}
+        Author = {H. Engan and K. A. Ingebrigtsen and A. Tonning},
+        Journal = {Applied Physics Letters},
+        Pages = {311-313},
+        Title = {Elastic surface waves in alpha-quartz: observation of leaky surface waves},
+        Volume = {10},
+        Year = {1967}}
 
 @article{Engdahl98,
-	Author = {E. R. Engdahl and R. van der Hilst and R. Buland},
-	Journal = bssa,
-	Pages = {722-743},
-	Title = {Global teleseismic earthquake relocation with improved travel times and procedures for depth determination},
-	Volume = {88},
-	Year = {1998}}
+        Author = {E. R. Engdahl and R. van der Hilst and R. Buland},
+        Journal = bssa,
+        Pages = {722-743},
+        Title = {Global teleseismic earthquake relocation with improved travel times and procedures for depth determination},
+        Volume = {88},
+        Year = {1998}}
 
 @article{EnMa77,
-	Author = {B. Engquist and A. Majda},
-	Journal = {Math. Comp.},
-	Pages = {629-651},
-	Title = {Absorbing boundary conditions for the numerical simulation of waves},
-	Volume = {31},
-	Year = {1977}}
+        Author = {B. Engquist and A. Majda},
+        Journal = {Math. Comp.},
+        Pages = {629-651},
+        Title = {Absorbing boundary conditions for the numerical simulation of waves},
+        Volume = {31},
+        Year = {1977}}
 
 @incollection{Esh61,
-	Address = {Amsterdam},
-	Author = {J. D. Eshelby},
-	Booktitle = {Progress in solid mechanics},
-	Chapter = {III},
-	Editor = {I. N. Sneddon and R. Hill},
-	Pages = {89-140},
-	Publisher = {North-Holland},
-	Title = {Elastic Inclusions and Inhomogenities},
-	Volume = {2},
-	Year = {1961}}
+        Address = {Amsterdam},
+        Author = {J. D. Eshelby},
+        Booktitle = {Progress in solid mechanics},
+        Chapter = {III},
+        Editor = {I. N. Sneddon and R. Hill},
+        Pages = {89-140},
+        Publisher = {North-Holland},
+        Title = {Elastic Inclusions and Inhomogenities},
+        Volume = {2},
+        Year = {1961}}
 
 @book{Euv94,
-	Address = {Paris},
-	Author = {Daniel Euvrard},
-	Edition = {3rd},
-	Publisher = {Masson},
-	Title = {R\'esolution num\'erique des \'equations aux d\'eriv\'ees partielles - Diff\'erences finies, \'el\'ements finis, probl\`emes en domaine non born\'e},
-	Year = {1994}}
+        Address = {Paris},
+        Author = {Daniel Euvrard},
+        Edition = {3rd},
+        Publisher = {Masson},
+        Title = {R\'esolution num\'erique des \'equations aux d\'eriv\'ees partielles - Diff\'erences finies, \'el\'ements finis, probl\`emes en domaine non born\'e},
+        Year = {1994}}
 
 @article{Eve81,
-	Author = {G. C. Everstine},
-	Journal = {ASME J. Sound Vib.},
-	Number = {1},
-	Pages = {157-160},
-	Title = {A symmetric potential formulation for fluid-structure interaction},
-	Volume = {79},
-	Year = {1981}}
+        Author = {G. C. Everstine},
+        Journal = {ASME J. Sound Vib.},
+        Number = {1},
+        Pages = {157-160},
+        Title = {A symmetric potential formulation for fluid-structure interaction},
+        Volume = {79},
+        Year = {1981}}
 
 @article{Eve02,
-	Author = {A. G. Every},
-	Journal = {Measurement Science Technology},
-	Pages = {R21-R39},
-	Title = {Measurement of the near-surface elastic properties of solids and thin supported films},
-	Volume = {13},
-	Year = {2002}}
+        Author = {A. G. Every},
+        Journal = {Measurement Science Technology},
+        Pages = {R21-R39},
+        Title = {Measurement of the near-surface elastic properties of solids and thin supported films},
+        Volume = {13},
+        Year = {2002}}
 
 @article{EveDes03,
-	Author = {A. G. Every and M. Deschamps},
-	Journal = {Ultrasonics},
-	Pages = {581-591},
-	Title = {Principal surface wave velocities in the point focus acoustic materials signature {V}(z) of an anisotropic solid},
-	Volume = {41},
-	Year = {2003}}
+        Author = {A. G. Every and M. Deschamps},
+        Journal = {Ultrasonics},
+        Pages = {581-591},
+        Title = {Principal surface wave velocities in the point focus acoustic materials signature {V}(z) of an anisotropic solid},
+        Volume = {41},
+        Year = {2003}}
 
 @article{EveKimMaz98,
-	Author = {A. G. Every and K. Y. Kim and A. A. Maznev},
-	Journal = {Ultrasonics},
-	Pages = {349-353},
-	Title = {Surface dynamic response functions of anisotropic solids},
-	Volume = {36},
-	Year = {1998}}
+        Author = {A. G. Every and K. Y. Kim and A. A. Maznev},
+        Journal = {Ultrasonics},
+        Pages = {349-353},
+        Title = {Surface dynamic response functions of anisotropic solids},
+        Volume = {36},
+        Year = {1998}}
 
 @article{EveKimMaz97,
-	Author = {A. G. Every and K. Y. Kim and A. A. Maznev},
-	Journal = jasa,
-	Number = {3},
-	Pages = {1346-1354},
-	Title = {The elastodynamic response of a semi-infinite anisotropic solid to sudden surface loading},
-	Volume = {102},
-	Year = {1997}}
+        Author = {A. G. Every and K. Y. Kim and A. A. Maznev},
+        Journal = jasa,
+        Number = {3},
+        Pages = {1346-1354},
+        Title = {The elastodynamic response of a semi-infinite anisotropic solid to sudden surface loading},
+        Volume = {102},
+        Year = {1997}}
 
 @article{Ez2006,
-	Author = {A. Ezziani},
-	Journal = {Revue Africaine de la Recherche en Informatique et Math\'ematiques Appliqu\'ees ARIMA},
-	Pages = {95-109},
-	Title = {Ondes dans les milieux poro\'elastiques : analyse du mod\`ele de {B}iot},
-	Volume = {5},
-	Year = {2006}}
+        Author = {A. Ezziani},
+        Journal = {Revue Africaine de la Recherche en Informatique et Math\'ematiques Appliqu\'ees ARIMA},
+        Pages = {95-109},
+        Title = {Ondes dans les milieux poro\'elastiques : analyse du mod\`ele de {B}iot},
+        Volume = {5},
+        Year = {2006}}
 
 @phdthesis{Ez2005,
-	Address = {Paris, France},
-	Author = {A. Ezziani},
-	School = {Universit\'e Paris IX, France},
-	Title = {Mod\'elisation math\'ematique et num\'erique de la propagation d'ondes dans des milieux visco\'elastiques et poro\'elastiques},
-	Year = {2005}}
+        Address = {Paris, France},
+        Author = {A. Ezziani},
+        School = {Universit\'e Paris IX, France},
+        Title = {Mod\'elisation math\'ematique et num\'erique de la propagation d'ondes dans des milieux visco\'elastiques et poro\'elastiques},
+        Year = {2005}}
 
 @article{FaMaPaQu97,
-	Author = {E. Faccioli and F. Maggio and R. Paolucci and A. Quarteroni},
-	Journal = {J. Seismol.},
-	Pages = {237-251},
-	Title = {2{D} and 3{D} elastic wave propagation by a pseudo-spectral domain decomposition method},
-	Volume = {1},
-	Year = {1997}}
+        Author = {E. Faccioli and F. Maggio and R. Paolucci and A. Quarteroni},
+        Journal = {J. Seismol.},
+        Pages = {237-251},
+        Title = {2{D} and 3{D} elastic wave propagation by a pseudo-spectral domain decomposition method},
+        Volume = {1},
+        Year = {1997}}
 
 @article{FaMaQuTa96,
-	Author = {E. Faccioli and F. Maggio and A. Quarteroni and A. Tagliani},
-	Journal = geophysics,
-	Number = {4},
-	Pages = {1160-1174},
-	Title = {Spectral-domain decomposition methods for the solution of acoustic and elastic wave equations},
-	Volume = {61},
-	Year = {1996}}
+        Author = {E. Faccioli and F. Maggio and A. Quarteroni and A. Tagliani},
+        Journal = geophysics,
+        Number = {4},
+        Pages = {1160-1174},
+        Title = {Spectral-domain decomposition methods for the solution of acoustic and elastic wave equations},
+        Volume = {61},
+        Year = {1996}}
 
 @article{FaRi99,
-	Author = {Falk, Richard S. and Richter, Gerard R.},
-	Doi = {10.1137/S0036142997329463},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Number = {3},
-	Pages = {935-952},
-	Title = {Explicit Finite Element Methods for Symmetric Hyperbolic Equations},
-	Volume = {36},
-	Year = {1999},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1137/S0036142997329463}}
+        Author = {Falk, Richard S. and Richter, Gerard R.},
+        Doi = {10.1137/S0036142997329463},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Number = {3},
+        Pages = {935-952},
+        Title = {Explicit Finite Element Methods for Symmetric Hyperbolic Equations},
+        Volume = {36},
+        Year = {1999},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1137/S0036142997329463}}
 
 @article{FaLiHe02,
-	Author = {G. X. Fan and Q. H. Liu and J. S. Hesthaven},
-	Journal = {IEEE Trans. Geosci. Remote Sens.},
-	Pages = {1366-1373},
-	Title = {Multidomain pseudospectral time-domain simulations of scattering by objects buried in lossy media},
-	Volume = {GE-40},
-	Year = {2002}}
+        Author = {G. X. Fan and Q. H. Liu and J. S. Hesthaven},
+        Journal = {IEEE Trans. Geosci. Remote Sens.},
+        Pages = {1366-1373},
+        Title = {Multidomain pseudospectral time-domain simulations of scattering by objects buried in lossy media},
+        Volume = {GE-40},
+        Year = {2002}}
 
 @inproceedings{FaQiKa08,
-	Address = {Hersonissos, Crete, Greece},
-	Author = {Zhe Fan and Feng Qiu and Arie E. Kaufman},
-	Booktitle = {Proceedings of the Eurographics'2008 Symposium on Parallel Graphics and Visualization (EGPGV'08)},
-	Editor = {G. Drettakis and R. Scopigno},
-	Month = {April},
-	Pages = {341-350},
-	Title = {Zippy: A Framework for Computation and Visualization on a {GPU} Cluster},
-	Volume = {27(2)},
-	Year = {2008}}
+        Address = {Hersonissos, Crete, Greece},
+        Author = {Zhe Fan and Feng Qiu and Arie E. Kaufman},
+        Booktitle = {Proceedings of the Eurographics'2008 Symposium on Parallel Graphics and Visualization (EGPGV'08)},
+        Editor = {G. Drettakis and R. Scopigno},
+        Month = {April},
+        Pages = {341-350},
+        Title = {Zippy: A Framework for Computation and Visualization on a {GPU} Cluster},
+        Volume = {27(2)},
+        Year = {2008}}
 
 @inproceedings{Fan:2004:GCF,
-	Author = {Zhe Fan and Feng Qiu and Arie E. Kaufman and Suzanne Yoakum-Stover},
-	Booktitle = {{SC '04}: Proceedings of the 2004 {ACM/IEEE} conference on Supercomputing},
-	Doi = {10.1109/SC.2004.26},
-	Month = nov,
-	Pages = {47},
-	Title = {{GPU} Cluster for High Performance Computing},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/SC.2004.26}}
+        Author = {Zhe Fan and Feng Qiu and Arie E. Kaufman and Suzanne Yoakum-Stover},
+        Booktitle = {{SC '04}: Proceedings of the 2004 {ACM/IEEE} conference on Supercomputing},
+        Doi = {10.1109/SC.2004.26},
+        Month = nov,
+        Pages = {47},
+        Title = {{GPU} Cluster for High Performance Computing},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/SC.2004.26}}
 
 @article{FaCr89,
-	Author = {C. Farhat and L. Crivelli},
-	Journal = cmame,
-	Number = {2},
-	Pages = {153-171},
-	Title = {A general approach to nonlinear finite-element computations on shared-memory multiprocessors},
-	Volume = {72},
-	Year = {1989}}
+        Author = {C. Farhat and L. Crivelli},
+        Journal = cmame,
+        Number = {2},
+        Pages = {153-171},
+        Title = {A general approach to nonlinear finite-element computations on shared-memory multiprocessors},
+        Volume = {72},
+        Year = {1989}}
 
 @article{farhathararifranca2001,
-	Author = {C. Farhat and I. Harari and L. P. Franca},
-	Journal = cmame,
-	Pages = {6455-6479},
-	Title = {The discontinuous enrichment method},
-	Volume = {190},
-	Year = {2001}}
+        Author = {C. Farhat and I. Harari and L. P. Franca},
+        Journal = cmame,
+        Pages = {6455-6479},
+        Title = {The discontinuous enrichment method},
+        Volume = {190},
+        Year = {2001}}
 
 @article{farhathararihetmaniuk20031,
-	Author = {C. Farhat and I. Harari and U. Hetmaniuk},
-	Journal = cmame,
-	Pages = {1389-1419},
-	Title = {A discontinuous {G}alerkin method with {L}agrange multipliers for the solution of {H}elmholtz problems in the mid-frequency regime},
-	Volume = {192},
-	Year = {2003}}
+        Author = {C. Farhat and I. Harari and U. Hetmaniuk},
+        Journal = cmame,
+        Pages = {1389-1419},
+        Title = {A discontinuous {G}alerkin method with {L}agrange multipliers for the solution of {H}elmholtz problems in the mid-frequency regime},
+        Volume = {192},
+        Year = {2003}}
 
 @article{farhathararihetmaniuk20032,
-	Author = {C. Farhat and I. Harari and U. Hetmaniuk},
-	Journal = cmame,
-	Pages = {3195-3209},
-	Title = {The discontinuous enrichment method for multiscale analysis},
-	Volume = {192},
-	Year = {2003}}
+        Author = {C. Farhat and I. Harari and U. Hetmaniuk},
+        Journal = cmame,
+        Pages = {3195-3209},
+        Title = {The discontinuous enrichment method for multiscale analysis},
+        Volume = {192},
+        Year = {2003}}
 
 @techreport{Far87,
-	Address = {Boulder, Colorado},
-	Author = {C. H. Farhat},
-	Institution = {University of Colorado},
-	Title = {A simple and efficient automatic {FEM} domain decomposer},
-	Year = {1987}}
+        Address = {Boulder, Colorado},
+        Author = {C. H. Farhat},
+        Institution = {University of Colorado},
+        Title = {A simple and efficient automatic {FEM} domain decomposer},
+        Year = {1987}}
 
 @incollection{Far70,
-	Author = {G. W. Farnell},
-	Booktitle = {Physical Acoustics},
-	Chapter = {3},
-	Editor = {W. P. Mason and R. N. Thurston},
-	Pages = {109-166},
-	Publisher = {Academic Press, New York, USA},
-	Title = {Properties of elastic surface waves},
-	Volume = {6},
-	Year = {1970}}
+        Author = {G. W. Farnell},
+        Booktitle = {Physical Acoustics},
+        Chapter = {3},
+        Editor = {W. P. Mason and R. N. Thurston},
+        Pages = {109-166},
+        Publisher = {Academic Press, New York, USA},
+        Title = {Properties of elastic surface waves},
+        Volume = {6},
+        Year = {1970}}
 
 @inproceedings{Far86,
-	Address = {Novosibirsk, Russia},
-	Author = {G. W. Farnell},
-	Booktitle = {Proceedings of the "Surface waves in solids and layered structures (ISSWAS86)" International Symposium},
-	Pages = {7-20},
-	Title = {Review of pseudo-surface waves},
-	Volume = {3},
-	Year = {1986}}
+        Address = {Novosibirsk, Russia},
+        Author = {G. W. Farnell},
+        Booktitle = {Proceedings of the "Surface waves in solids and layered structures (ISSWAS86)" International Symposium},
+        Pages = {7-20},
+        Title = {Review of pseudo-surface waves},
+        Volume = {3},
+        Year = {1986}}
 
 @article{farra99,
-	Author = {V. Farra},
-	Journal = gji,
-	Pages = {205-217},
-	Title = {Computation of second-order travel-time perturbation by {H}amiltonian ray theory},
-	Volume = {136},
-	Year = {1999}}
+        Author = {V. Farra},
+        Journal = gji,
+        Pages = {205-217},
+        Title = {Computation of second-order travel-time perturbation by {H}amiltonian ray theory},
+        Volume = {136},
+        Year = {1999}}
 
 @article{farra93,
-	Author = {V. Farra},
-	Journal = {J. Appl. Geophys.},
-	Pages = {55-73},
-	Title = {Ray tracing in complex media},
-	Volume = {30},
-	Year = {1993}}
+        Author = {V. Farra},
+        Journal = {J. Appl. Geophys.},
+        Pages = {55-73},
+        Title = {Ray tracing in complex media},
+        Volume = {30},
+        Year = {1993}}
 
 @article{Far90,
-	Author = {V. Farra},
-	Journal = gji,
-	Pages = {341-354},
-	Title = {Amplitude computation in heterogeneous media by ray perturbation theory: a finite element approach},
-	Volume = {103},
-	Year = {1990}}
+        Author = {V. Farra},
+        Journal = gji,
+        Pages = {341-354},
+        Title = {Amplitude computation in heterogeneous media by ray perturbation theory: a finite element approach},
+        Volume = {103},
+        Year = {1990}}
 
 @article{Fatahalian:2008:ACL,
-	Author = {Kayvon Fatahalian and Mike Houston},
-	Doi = {10.1145/1400181.1400197},
-	Journal = {Communications of the ACM},
-	Month = oct,
-	Number = {10},
-	Pages = {50--57},
-	Title = {A Closer Look at {GPUs}},
-	Volume = {51},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1400181.1400197}}
+        Author = {Kayvon Fatahalian and Mike Houston},
+        Doi = {10.1145/1400181.1400197},
+        Journal = {Communications of the ACM},
+        Month = oct,
+        Number = {10},
+        Pages = {50--57},
+        Title = {A Closer Look at {GPUs}},
+        Volume = {51},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1400181.1400197}}
 
 @inproceedings{Fatica:2009:ALW,
-	Author = {Massimiliano Fatica},
-	Booktitle = {GPGPU-2: Proceedings of 2nd Workshop on General Purpose Processing on Graphics Processing Units},
-	Doi = {10.1145/1513895.1513901},
-	Editor = {David Kaeli and Miriam Leeser},
-	Month = mar,
-	Number = {383},
-	Pages = {46--51},
-	Series = {ACM International Conference Proceeding Series},
-	Title = {Accelerating {L}inpack with {CUDA} on heterogenous clusters},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1513895.1513901}}
+        Author = {Massimiliano Fatica},
+        Booktitle = {GPGPU-2: Proceedings of 2nd Workshop on General Purpose Processing on Graphics Processing Units},
+        Doi = {10.1145/1513895.1513901},
+        Editor = {David Kaeli and Miriam Leeser},
+        Month = mar,
+        Number = {383},
+        Pages = {46--51},
+        Series = {ACM International Conference Proceeding Series},
+        Title = {Accelerating {L}inpack with {CUDA} on heterogenous clusters},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1513895.1513901}}
 
 @phdthesis{Fau03,
-	Address = {Paris, France},
-	Author = {Sandrine Fauqueux},
-	Month = {February},
-	School = {Universit\'e Paris-Dauphine},
-	Title = {El\'ements finis mixtes spectraux et couches absorbantes parfaitement adapt\'ees pour la propagation d'ondes \'elastiques en r\'egime transitoire},
-	Year = {2003}}
+        Address = {Paris, France},
+        Author = {Sandrine Fauqueux},
+        Month = {February},
+        School = {Universit\'e Paris-Dauphine},
+        Title = {El\'ements finis mixtes spectraux et couches absorbantes parfaitement adapt\'ees pour la propagation d'ondes \'elastiques en r\'egime transitoire},
+        Year = {2003}}
 
 @article{FaCh03,
-	Author = {N. Favier and S. Chevrot},
-	Journal = gji,
-	Number = {1},
-	Pages = {213-228},
-	Title = {Sensitivity kernels for shear wave splitting in transverse isotropic media},
-	Volume = {153},
-	Year = {2003}}
+        Author = {N. Favier and S. Chevrot},
+        Journal = gji,
+        Number = {1},
+        Pages = {213-228},
+        Title = {Sensitivity kernels for shear wave splitting in transverse isotropic media},
+        Volume = {153},
+        Year = {2003}}
 
 @article{FaChKo04,
-	Author = {N. Favier and S. Chevrot and D. Komatitsch},
-	Doi = {10.1111/j.1365-246X.2004.02178.x},
-	Journal = gji,
-	Number = {3},
-	Pages = {467-482},
-	Title = {Near-field influences on shear wave splitting and traveltime sensitivity kernels},
-	Volume = {156},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2004.02178.x}}
+        Author = {N. Favier and S. Chevrot and D. Komatitsch},
+        Doi = {10.1111/j.1365-246X.2004.02178.x},
+        Journal = gji,
+        Number = {3},
+        Pages = {467-482},
+        Title = {Near-field influences on shear wave splitting and traveltime sensitivity kernels},
+        Volume = {156},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2004.02178.x}}
 
 @article{gp03,
-	Author = {N. Favretto-Cristini and E. de Bazelaire},
-	Journal = {Geophysical Prospecting},
-	Pages = {99-115},
-	Title = {P{P} amplitude bias caused by interface scattering: are diffracted waves guilty?},
-	Volume = {51},
-	Year = {2003}}
+        Author = {N. Favretto-Cristini and E. de Bazelaire},
+        Journal = {Geophysical Prospecting},
+        Pages = {99-115},
+        Title = {P{P} amplitude bias caused by interface scattering: are diffracted waves guilty?},
+        Volume = {51},
+        Year = {2003}}
 
 @article{FaKoCaCa11,
-	Author = {Nathalie Favretto-Cristini and Dimitri Komatitsch and Jos\'e Carcione and Fabio Cavallini},
-	Journal = jasa,
-	Note = {Submitted in October 2010.},
-	Title = {Elastic surface waves in crystals: {R}eview of the physics and cross-check of two full-wave modeling methods},
-	Year = {2011}}
+        Author = {Nathalie Favretto-Cristini and Dimitri Komatitsch and Jos\'e Carcione and Fabio Cavallini},
+        Journal = jasa,
+        Note = {Submitted in October 2010.},
+        Title = {Elastic surface waves in crystals: {R}eview of the physics and cross-check of two full-wave modeling methods},
+        Year = {2011}}
 
 @article{Fejer32,
-	Author = {L. Fej\'er},
-	Journal = {Ann. Scuola Norm. Sup. Pisa Sci. Fis. Mt. Ser. II},
-	Pages = {263-276},
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-	Volume = {1},
-	Year = {1932}}
+        Author = {L. Fej\'er},
+        Journal = {Ann. Scuola Norm. Sup. Pisa Sci. Fis. Mt. Ser. II},
+        Pages = {263-276},
+        Title = {Bestimmung derjenigen {A}bszissen eines {I}ntervalles f\"ur welche die {Q}uadratsumme der {G}rundfunktionen der {L}agrangeschen {I}nterpolation im {I}ntervalle $[-1,1]$ ein m\"oglichst kleines {M}aximum besitzt},
+        Volume = {1},
+        Year = {1932}}
 
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-	Journal = cmame,
-	Pages = {297-337},
-	Title = {Finite-element analysis of shock-induced hull cavitation},
-	Volume = {44},
-	Year = {1984}}
+        Author = {C. A. Felippa and J. A. Deruntz},
+        Journal = cmame,
+        Pages = {297-337},
+        Title = {Finite-element analysis of shock-induced hull cavitation},
+        Volume = {44},
+        Year = {1984}}
 
 @article{Felsen,
-	Author = {L. B. Felsen},
-	Journal = gjras,
-	Pages = {77-88},
-	Title = {Geometrical Theory of Diffraction, Evanescent Waves, Complex Rays and {G}aussian Beams},
-	Volume = {79},
-	Year = {1984}}
+        Author = {L. B. Felsen},
+        Journal = gjras,
+        Pages = {77-88},
+        Title = {Geometrical Theory of Diffraction, Evanescent Waves, Complex Rays and {G}aussian Beams},
+        Volume = {79},
+        Year = {1984}}
 
 @article{FeBo06,
-	Author = {Clark H. Fenton and Julian J. Bommer},
-	Journal = {Seismological Research Letters},
-	Number = {4},
-	Pages = {426-439},
-	Title = {The {M}w7 {M}achaze, {M}ozambique, Earthquake of 23 {F}ebruary 2006},
-	Volume = {77},
-	Year = {2006}}
+        Author = {Clark H. Fenton and Julian J. Bommer},
+        Journal = {Seismological Research Letters},
+        Number = {4},
+        Pages = {426-439},
+        Title = {The {M}w7 {M}achaze, {M}ozambique, Earthquake of 23 {F}ebruary 2006},
+        Volume = {77},
+        Year = {2006}}
 
 @article{FeDeVi05,
-	Author = {G. Festa and E. Delavaud and J. P. Vilotte},
-	Doi = {10.1029/2005GL024091},
-	Journal = grl,
-	Number = {20},
-	Pages = {L20306},
-	Title = {Interaction between surface waves and absorbing boundaries for wave propagation in geological basins: {2D} numerical simulations},
-	Volume = {32},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2005GL024091}}
+        Author = {G. Festa and E. Delavaud and J. P. Vilotte},
+        Doi = {10.1029/2005GL024091},
+        Journal = grl,
+        Number = {20},
+        Pages = {L20306},
+        Title = {Interaction between surface waves and absorbing boundaries for wave propagation in geological basins: {2D} numerical simulations},
+        Volume = {32},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2005GL024091}}
 
 @article{FeNi03,
-	Author = {Gaetano Festa and Stefan Nielsen},
-	Journal = bssa,
-	Pages = {891-903},
-	Title = {{PML} absorbing boundaries},
-	Volume = {93},
-	Year = {2003}}
+        Author = {Gaetano Festa and Stefan Nielsen},
+        Journal = bssa,
+        Pages = {891-903},
+        Title = {{PML} absorbing boundaries},
+        Volume = {93},
+        Year = {2003}}
 
 @article{FeVi05,
-	Author = {G. Festa and J. P. Vilotte},
-	Doi = {10.1111/j.1365-246X.2005.02601.x},
-	Journal = gji,
-	Pages = {789-812},
-	Title = {The {N}ewmark scheme as velocity-stress time-staggering: an efficient {PML} implementation for spectral-element simulations of elastodynamics},
-	Volume = {161},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2005.02601.x}}
+        Author = {G. Festa and J. P. Vilotte},
+        Doi = {10.1111/j.1365-246X.2005.02601.x},
+        Journal = gji,
+        Pages = {789-812},
+        Title = {The {N}ewmark scheme as velocity-stress time-staggering: an efficient {PML} implementation for spectral-element simulations of elastodynamics},
+        Volume = {161},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2005.02601.x}}
 
 @article{FiIgBuKe09,
-	Author = {Andreas Fichtner and Heiner Igel and Hans-Peter Bunge and Brian L. N. Kennett},
-	Journal = {Journal of Numerical Analysis, Industrial and Applied Mathematics},
-	Number = {1-2},
-	Pages = {11-22},
-	Title = {Simulation and inversion of seismic wave propagation on continental scales based on a spectral-element method},
-	Volume = {4},
-	Year = {2009}}
+        Author = {Andreas Fichtner and Heiner Igel and Hans-Peter Bunge and Brian L. N. Kennett},
+        Journal = {Journal of Numerical Analysis, Industrial and Applied Mathematics},
+        Number = {1-2},
+        Pages = {11-22},
+        Title = {Simulation and inversion of seismic wave propagation on continental scales based on a spectral-element method},
+        Volume = {4},
+        Year = {2009}}
 
 @article{fink99,
-	Author = {M. Fink},
-	Journal = {Scientific American},
-	Month = {November},
-	Pages = {91-97},
-	Title = {Time-reversed acoutics},
-	Year = {1999}}
+        Author = {M. Fink},
+        Journal = {Scientific American},
+        Month = {November},
+        Pages = {91-97},
+        Title = {Time-reversed acoutics},
+        Year = {1999}}
 
 @article{Fis90,
-	Author = {P. F. Fischer},
-	Journal = cmame,
-	Pages = {483-491},
-	Title = {Analysis and application of a parallel spectral element method for the solution of the {N}avier-{S}tokes equations},
-	Volume = {80},
-	Year = {1990}}
+        Author = {P. F. Fischer},
+        Journal = cmame,
+        Pages = {483-491},
+        Title = {Analysis and application of a parallel spectral element method for the solution of the {N}avier-{S}tokes equations},
+        Volume = {80},
+        Year = {1990}}
 
 @phdthesis{Fis89,
-	Address = {Cambridge, Massachusetts},
-	Author = {P. F. Fischer},
-	School = {Massachusetts Institute of Technology},
-	Title = {Spectral element solution of the {N}avier-{S}tokes equations on high performance distributed-memory parallel processors},
-	Year = {1989}}
+        Address = {Cambridge, Massachusetts},
+        Author = {P. F. Fischer},
+        School = {Massachusetts Institute of Technology},
+        Title = {Spectral element solution of the {N}avier-{S}tokes equations on high performance distributed-memory parallel processors},
+        Year = {1989}}
 
 @article{FiHoKaRoPa88,
-	Author = {P. F. Fischer and L. W. Ho and G. E. Karniadakis and E. M. R{\o}nquist and A. T. Patera},
-	Journal = {Computers and Structures},
-	Pages = {217-231},
-	Title = {Recent advances in parallel spectral element simulation of unsteady incompressible flows},
-	Volume = {30},
-	Year = {1988}}
+        Author = {P. F. Fischer and L. W. Ho and G. E. Karniadakis and E. M. R{\o}nquist and A. T. Patera},
+        Journal = {Computers and Structures},
+        Pages = {217-231},
+        Title = {Recent advances in parallel spectral element simulation of unsteady incompressible flows},
+        Volume = {30},
+        Year = {1988}}
 
 @article{FiRo94,
-	Author = {P. F. Fischer and E. M. R{\o}nquist},
-	Journal = cmame,
-	Pages = {69-76},
-	Title = {{S}pectral-element Methods for Large Scale Parallel {N}avier-{S}tokes Calculations},
-	Volume = {116},
-	Year = {1994}}
+        Author = {P. F. Fischer and E. M. R{\o}nquist},
+        Journal = cmame,
+        Pages = {69-76},
+        Title = {{S}pectral-element Methods for Large Scale Parallel {N}avier-{S}tokes Calculations},
+        Volume = {116},
+        Year = {1994}}
 
 @article{Fish3,
-	Author = {L. Fishman},
-	Journal = {Pure and Applied Geophysics},
-	Pages = {1637-1679},
-	Title = {Applications of {D}irectional {W}avefield {D}ecomposition, {P}hase {S}pace and {P}ath {I}ntegral {M}ethods to {S}eismic {W}ave {P}ropagation and {I}nversion},
-	Volume = {159},
-	Year = {2002}}
+        Author = {L. Fishman},
+        Journal = {Pure and Applied Geophysics},
+        Pages = {1637-1679},
+        Title = {Applications of {D}irectional {W}avefield {D}ecomposition, {P}hase {S}pace and {P}ath {I}ntegral {M}ethods to {S}eismic {W}ave {P}ropagation and {I}nversion},
+        Volume = {159},
+        Year = {2002}}
 
 @article{Fish1,
-	Author = {L. Fishman},
-	Journal = {J. Math. Phys.},
-	Pages = {1887-1914},
-	Title = {Exact and {O}perator {R}ational {A}pproximate {S}olutions of the {H}elmholtz, {W}eyl {C}omposition {E}quation in {U}nderwater {A}coustics - the {Q}uadratic {P}rofile},
-	Volume = {33},
-	Year = {1992}}
+        Author = {L. Fishman},
+        Journal = {J. Math. Phys.},
+        Pages = {1887-1914},
+        Title = {Exact and {O}perator {R}ational {A}pproximate {S}olutions of the {H}elmholtz, {W}eyl {C}omposition {E}quation in {U}nderwater {A}coustics - the {Q}uadratic {P}rofile},
+        Volume = {33},
+        Year = {1992}}
 
 @article{Fish2,
-	Author = {L. Fishman and J. J. McCoy and S. C. Wales},
-	Journal = {J. Acoust. Soc. Am.},
-	Pages = {1355-1376},
-	Title = {Factorization and Path Integration of the {H}elmholtz Equation : {N}umerical Algorithms},
-	Volume = {81},
-	Year = {1987}}
+        Author = {L. Fishman and J. J. McCoy and S. C. Wales},
+        Journal = {J. Acoust. Soc. Am.},
+        Pages = {1355-1376},
+        Title = {Factorization and Path Integration of the {H}elmholtz Equation : {N}umerical Algorithms},
+        Volume = {81},
+        Year = {1987}}
 
 @book{Fle91,
-	Address = {New York},
-	Author = {C. A. J. Fletcher},
-	Publisher = {Springer-Verlag},
-	Title = {Computational Fluid Dynamics},
-	Year = {1991}}
+        Address = {New York},
+        Author = {C. A. J. Fletcher},
+        Publisher = {Springer-Verlag},
+        Title = {Computational Fluid Dynamics},
+        Year = {1991}}
 
 @article{taf,
-	Author = {T. A. Foley},
-	Journal = {ACM Trans. Graphics},
-	Pages = {1-18},
-	Title = {Weighted bicubic spline interpolation to rapidly varying data},
-	Volume = {6},
-	Year = {1987}}
+        Author = {T. A. Foley},
+        Journal = {ACM Trans. Graphics},
+        Pages = {1-18},
+        Title = {Weighted bicubic spline interpolation to rapidly varying data},
+        Volume = {6},
+        Year = {1987}}
 
 @phdthesis{Fon06,
-	Address = {Pau, France},
-	Author = {Mathieu Fontes},
-	Month = {July},
-	School = {Universit\'e de Pau et des Pays de l'Adour},
-	Title = {Propri\'et\'es math\'ematiques de mod\`eles g\'eophysiques pour l'absorption des ondes. {A}pplication aux conditions de bords absorbants. ({M}athematical properties of geophysical models for the absorption of waves. {A}pplication to absorbing boundary conditions)},
-	Year = {2006}}
+        Address = {Pau, France},
+        Author = {Mathieu Fontes},
+        Month = {July},
+        School = {Universit\'e de Pau et des Pays de l'Adour},
+        Title = {Propri\'et\'es math\'ematiques de mod\`eles g\'eophysiques pour l'absorption des ondes. {A}pplication aux conditions de bords absorbants. ({M}athematical properties of geophysical models for the absorption of waves. {A}pplication to absorbing boundary conditions)},
+        Year = {2006}}
 
 @article{For88,
-	Author = {B. Fornberg},
-	Journal = geophysics,
-	Pages = {625-637},
-	Title = {The pseudospectral method: accurate representation of interfaces in elastic wave calculations},
-	Volume = {53},
-	Year = {1988}}
+        Author = {B. Fornberg},
+        Journal = geophysics,
+        Pages = {625-637},
+        Title = {The pseudospectral method: accurate representation of interfaces in elastic wave calculations},
+        Volume = {53},
+        Year = {1988}}
 
 @article{For75,
-	Author = {D. W. Forsyth},
-	Journal = gjras,
-	Pages = {103-162},
-	Title = {The early structural evolution and anisotropy of the oceanic upper mantle},
-	Volume = {43},
-	Year = {1975}}
+        Author = {D. W. Forsyth},
+        Journal = gjras,
+        Pages = {103-162},
+        Title = {The early structural evolution and anisotropy of the oceanic upper mantle},
+        Volume = {43},
+        Year = {1975}}
 
 @article{FoFiWy01,
-	Author = {M. J. Fouch and K. M. Fischer and M. E. Wysession},
-	Journal = epsl,
-	Pages = {167-180},
-	Title = {Lowermost mantle anisotropy beneath the {P}acific: {I}maging the source of the {H}awaiian plume},
-	Volume = {190},
-	Year = {2001}}
+        Author = {M. J. Fouch and K. M. Fischer and M. E. Wysession},
+        Journal = epsl,
+        Pages = {167-180},
+        Title = {Lowermost mantle anisotropy beneath the {P}acific: {I}maging the source of the {H}awaiian plume},
+        Volume = {190},
+        Year = {2001}}
 
 @article{rf,
-	Author = {R. Franke},
-	Journal = {Computer Aided Geometric Design},
-	Pages = {87-95},
-	Title = {Thin plate spline with tension},
-	Volume = {2},
-	Year = {1985}}
+        Author = {R. Franke},
+        Journal = {Computer Aided Geometric Design},
+        Pages = {87-95},
+        Title = {Thin plate spline with tension},
+        Volume = {2},
+        Year = {1985}}
 
 @article{Fra93,
-	Author = {A. Frankel},
-	Journal = bssa,
-	Pages = {1020-1041},
-	Title = {Three-dimensional simulations of ground motions in the {S}an {B}ernardino valley, {C}alifornia, for hypothetical earthquakes on the {S}an {A}ndreas fault},
-	Volume = {83},
-	Year = {1993}}
+        Author = {A. Frankel},
+        Journal = bssa,
+        Pages = {1020-1041},
+        Title = {Three-dimensional simulations of ground motions in the {S}an {B}ernardino valley, {C}alifornia, for hypothetical earthquakes on the {S}an {A}ndreas fault},
+        Volume = {83},
+        Year = {1993}}
 
 @article{FrLe92,
-	Author = {A. Frankel and W. Leith},
-	Journal = grl,
-	Pages = {1887-1890},
-	Title = {Evaluation of topographic effects on {{\it P}} and {{\it S}} waves of explosions at the northern {N}ovaya {Z}emlya test site using 3-{D} numerical simulations},
-	Volume = {19},
-	Year = {1992}}
+        Author = {A. Frankel and W. Leith},
+        Journal = grl,
+        Pages = {1887-1890},
+        Title = {Evaluation of topographic effects on {{\it P}} and {{\it S}} waves of explosions at the northern {N}ovaya {Z}emlya test site using 3-{D} numerical simulations},
+        Volume = {19},
+        Year = {1992}}
 
 @article{FrVi92,
-	Author = {A. Frankel and J. Vidale},
-	Journal = bssa,
-	Pages = {2045-2074},
-	Title = {A three-dimensional simulation of seismic waves in the {S}anta {C}lara valley, {C}alifornia, from the {L}oma {P}rieta aftershock},
-	Volume = {82},
-	Year = {1992}}
+        Author = {A. Frankel and J. Vidale},
+        Journal = bssa,
+        Pages = {2045-2074},
+        Title = {A three-dimensional simulation of seismic waves in the {S}anta {C}lara valley, {C}alifornia, from the {L}oma {P}rieta aftershock},
+        Volume = {82},
+        Year = {1992}}
 
 @article{FrDa95,
-	Author = {Wolfgang Friederich and J\"org Dalkolmo},
-	Doi = {10.1111/j.1365-246X.1995.tb07012.x},
-	Journal = gji,
-	Number = {2},
-	Pages = {537-550},
-	Title = {Complete synthetic seismograms for a spherically-symmetric {E}arth by a numerical computation of the {G}reen's function in the frequency domain},
-	Volume = {122},
-	Year = {1995},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.1995.tb07012.x}}
+        Author = {Wolfgang Friederich and J\"org Dalkolmo},
+        Doi = {10.1111/j.1365-246X.1995.tb07012.x},
+        Journal = gji,
+        Number = {2},
+        Pages = {537-550},
+        Title = {Complete synthetic seismograms for a spherically-symmetric {E}arth by a numerical computation of the {G}reen's function in the frequency domain},
+        Volume = {122},
+        Year = {1995},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.1995.tb07012.x}}
 
 @article{fuchsmuller1971,
-	Author = {K. Fuchs and G. Muller},
-	Journal = gjras,
-	Pages = {417-433},
-	Title = {Computation of synthetic seismograms with the reflectivity method and comparison of observations},
-	Volume = {23},
-	Year = {1971}}
+        Author = {K. Fuchs and G. Muller},
+        Journal = gjras,
+        Pages = {417-433},
+        Title = {Computation of synthetic seismograms with the reflectivity method and comparison of observations},
+        Volume = {23},
+        Year = {1971}}
 
 @article{Fuisetal2003,
-	Author = {G. S. Fuis and R. W. Clayton and P. M. Davis and T. Ryberg and W. J. Lutter and D. A. Okaya and E. Hauksson and C. Prodehl and J. M. Murphy and M. L. Benthien and S. A. Baher and M. D. Kohler and K. Thygesen and G. Simila and G. R. Keller},
-	Journal = {Geology},
-	Pages = {171-174},
-	Title = {Fault systems of the 1971 {S}an {F}ernando and 1994 {N}orthridge earthquakes, {S}outhern {C}alifornia: relocated aftershocks and seismic images from {LARSE~II}},
-	Volume = {31},
-	Year = {2003}}
+        Author = {G. S. Fuis and R. W. Clayton and P. M. Davis and T. Ryberg and W. J. Lutter and D. A. Okaya and E. Hauksson and C. Prodehl and J. M. Murphy and M. L. Benthien and S. A. Baher and M. D. Kohler and K. Thygesen and G. Simila and G. R. Keller},
+        Journal = {Geology},
+        Pages = {171-174},
+        Title = {Fault systems of the 1971 {S}an {F}ernando and 1994 {N}orthridge earthquakes, {S}outhern {C}alifornia: relocated aftershocks and seismic images from {LARSE~II}},
+        Volume = {31},
+        Year = {2003}}
 
 @book{Fun92,
-	Address = {Heidelberg, Germany},
-	Author = {D. Funaro},
-	Publisher = {Springer Verlag},
-	Series = {Lecture Notes in Physics},
-	Title = {Polynomial approximation of differential equations},
-	Volume = {8},
-	Year = {1992}}
+        Address = {Heidelberg, Germany},
+        Author = {D. Funaro},
+        Publisher = {Springer Verlag},
+        Series = {Lecture Notes in Physics},
+        Title = {Polynomial approximation of differential equations},
+        Volume = {8},
+        Year = {1992}}
 
 @article{FuKeFu99,
-	Author = {M. Furumura and B. L. N. Kennett and T. Furumura},
-	Doi = {10.1046/j.1365-246x.1999.00962.x},
-	Journal = gji,
-	Number = {3},
-	Pages = {623-644},
-	Title = {Seismic wavefield calculation for laterally heterogeneous {E}arth models-{II}. The influence of upper mantle heterogeneity},
-	Volume = {139},
-	Year = {1999},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246x.1999.00962.x}}
+        Author = {M. Furumura and B. L. N. Kennett and T. Furumura},
+        Doi = {10.1046/j.1365-246x.1999.00962.x},
+        Journal = gji,
+        Number = {3},
+        Pages = {623-644},
+        Title = {Seismic wavefield calculation for laterally heterogeneous {E}arth models-{II}. The influence of upper mantle heterogeneity},
+        Volume = {139},
+        Year = {1999},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246x.1999.00962.x}}
 
 @article{FuKeFu98,
-	Author = {T. Furumura and B. L. N. Kennett and M. Furumura},
-	Doi = {10.1046/j.1365-246X.1998.00682.x},
-	Journal = gji,
-	Number = {3},
-	Pages = {845-860},
-	Title = {Seismic wavefield calculation for laterally heterogeneous whole {E}arth models using the pseudospectral method},
-	Volume = {135},
-	Year = {1998},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.1998.00682.x}}
+        Author = {T. Furumura and B. L. N. Kennett and M. Furumura},
+        Doi = {10.1046/j.1365-246X.1998.00682.x},
+        Journal = gji,
+        Number = {3},
+        Pages = {845-860},
+        Title = {Seismic wavefield calculation for laterally heterogeneous whole {E}arth models using the pseudospectral method},
+        Volume = {135},
+        Year = {1998},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.1998.00682.x}}
 
 @article{GoStMoMcBuGrTu07,
-	Author = {Dominik G\"oddeke and Robert Strzodka and Jamaludin Mohd-Yusof and Patrick McCormick and Sven H. M. Buijssen and Matthias Grajewski and Stefan Turek},
-	Journal = {Parallel Computing},
-	Number = {10-11},
-	Pages = {685-699},
-	Title = {Exploring weak scalability for {FEM} calculations on a {GPU}-enhanced cluster},
-	Volume = {33},
-	Year = {2007}}
+        Author = {Dominik G\"oddeke and Robert Strzodka and Jamaludin Mohd-Yusof and Patrick McCormick and Sven H. M. Buijssen and Matthias Grajewski and Stefan Turek},
+        Journal = {Parallel Computing},
+        Number = {10-11},
+        Pages = {685-699},
+        Title = {Exploring weak scalability for {FEM} calculations on a {GPU}-enhanced cluster},
+        Volume = {33},
+        Year = {2007}}
 
 @article{GoStTu07,
-	Author = {Dominik G\"oddeke and Robert Strzodka and Stefan Turek},
-	Journal = {International Journal of Parallel, Emergent and Distributed Systems},
-	Number = {4},
-	Pages = {221-256},
-	Title = {Performance and accuracy of hardware-oriented native-, emulated- and mixed-precision solvers in {FEM} simulations},
-	Volume = {22},
-	Year = {2007}}
+        Author = {Dominik G\"oddeke and Robert Strzodka and Stefan Turek},
+        Journal = {International Journal of Parallel, Emergent and Distributed Systems},
+        Number = {4},
+        Pages = {221-256},
+        Title = {Performance and accuracy of hardware-oriented native-, emulated- and mixed-precision solvers in {FEM} simulations},
+        Volume = {22},
+        Year = {2007}}
 
 @article{GeBaJu88,
-	Author = {L. G\'eli and P. Y. Bard and B. Julien},
-	Journal = bssa,
-	Pages = {42-63},
-	Title = {The effect of topography on earthquake ground motion: a review and new results},
-	Volume = {78},
-	Year = {1988}}
+        Author = {L. G\'eli and P. Y. Bard and B. Julien},
+        Journal = bssa,
+        Pages = {42-63},
+        Title = {The effect of topography on earthquake ground motion: a review and new results},
+        Volume = {78},
+        Year = {1988}}
 
 @article{GaBo89,
-	Author = {S. Gaffet and M. Bouchon},
-	Journal = jasa,
-	Pages = {2277-2283},
-	Title = {Effects of two-dimensional topographies using the discrete wavenumber-boundary integral equation method in {{\it P-SV}} cases},
-	Volume = {85},
-	Year = {1989}}
+        Author = {S. Gaffet and M. Bouchon},
+        Journal = jasa,
+        Pages = {2277-2283},
+        Title = {Effects of two-dimensional topographies using the discrete wavenumber-boundary integral equation method in {{\it P-SV}} cases},
+        Volume = {85},
+        Year = {1989}}
 
 @techreport{GaMaNaHelene,
-	Author = {M. J. Gander and F. Magoul\`es and F. Nataf},
-	Institution = {CMAP, UMR CNRS 67641},
-	Title = {Optimized {S}chwarz method without overlap for the {H}elmholtz equation},
-	Year = {2001}}
+        Author = {M. J. Gander and F. Magoul\`es and F. Nataf},
+        Institution = {CMAP, UMR CNRS 67641},
+        Title = {Optimized {S}chwarz method without overlap for the {H}elmholtz equation},
+        Year = {2001}}
 
 @article{sympl2,
-	Author = {L. Gao and Y. M. Li and X. R. Chen and K. Q. Yang},
-	Journal = {Chinese J. Geophys.},
-	Number = {3},
-	Pages = {433-440},
-	Title = {An attempt to seismic ray tracing with symplectic algorithm},
-	Volume = {43},
-	Year = {2000}}
+        Author = {L. Gao and Y. M. Li and X. R. Chen and K. Q. Yang},
+        Journal = {Chinese J. Geophys.},
+        Number = {3},
+        Pages = {433-440},
+        Title = {An attempt to seismic ray tracing with symplectic algorithm},
+        Volume = {43},
+        Year = {2000}}
 
 @article{GaLiDaKn96,
-	Author = {S. Gao and H. Liu and P. M. Davis and L. Knopoff},
-	Journal = bssa,
-	Number = {1B},
-	Pages = {S209-S230},
-	Title = {Localized amplification of seismic waves and correlation with damage due to the {N}orthridge earthquake: evidence for focusing in {S}anta {M}onica},
-	Volume = {86},
-	Year = {1996}}
+        Author = {S. Gao and H. Liu and P. M. Davis and L. Knopoff},
+        Journal = bssa,
+        Number = {1B},
+        Pages = {S209-S230},
+        Title = {Localized amplification of seismic waves and correlation with damage due to the {N}orthridge earthquake: evidence for focusing in {S}anta {M}onica},
+        Volume = {86},
+        Year = {1996}}
 
 @article{geofem01,
-	Author = {Kazuteru Garatani and Hisashi Nakamura and Hiroshi Okuda and Genki Yagawa},
-	Journal = {J. Future Generation Computer Systems},
-	Pages = {107-114},
-	Title = {Geo{FEM}: a High Performance Parallel finite element method for the Solid {E}arth},
-	Volume = {18},
-	Year = {2001}}
+        Author = {Kazuteru Garatani and Hisashi Nakamura and Hiroshi Okuda and Genki Yagawa},
+        Journal = {J. Future Generation Computer Systems},
+        Pages = {107-114},
+        Title = {Geo{FEM}: a High Performance Parallel finite element method for the Solid {E}arth},
+        Volume = {18},
+        Year = {2001}}
 
 @article{geofem00,
-	Author = {Kazuteru Garatani and Hisashi Nakamura and Hiroshi Okuda and Genki Yagawa},
-	Journal = {Lecture Notes in Computer Science},
-	Pages = {445-453},
-	Title = {Large-Scale Parallel Wave Propagation Analysis by {G}eo{FEM}},
-	Volume = {1823},
-	Year = {2000}}
+        Author = {Kazuteru Garatani and Hisashi Nakamura and Hiroshi Okuda and Genki Yagawa},
+        Journal = {Lecture Notes in Computer Science},
+        Pages = {445-453},
+        Title = {Large-Scale Parallel Wave Propagation Analysis by {G}eo{FEM}},
+        Volume = {1823},
+        Year = {2000}}
 
 @article{Gar02,
-	Author = {R. Garcia},
-	Journal = gji,
-	Pages = {651-664},
-	Title = {Constraints on upper inner core structure by waveform inversion of core phases},
-	Volume = {150},
-	Year = {2002}}
+        Author = {R. Garcia},
+        Journal = gji,
+        Pages = {651-664},
+        Title = {Constraints on upper inner core structure by waveform inversion of core phases},
+        Volume = {150},
+        Year = {2002}}
 
 @article{GaChWe04,
-	Author = {R. Garcia and S. Chevrot and M. Weber},
-	Doi = {10.1029/2003JB002429},
-	Journal = jgr,
-	Pages = {B01306},
-	Title = {Non-linear waveform and delay time analysis of triplicated core phases},
-	Volume = {109},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2003JB002429}}
+        Author = {R. Garcia and S. Chevrot and M. Weber},
+        Doi = {10.1029/2003JB002429},
+        Journal = jgr,
+        Pages = {B01306},
+        Title = {Non-linear waveform and delay time analysis of triplicated core phases},
+        Volume = {109},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2003JB002429}}
 
 @article{GaSo00,
-	Author = {R. Garcia and A. Souriau},
-	Journal = grl,
-	Pages = {3121-3125},
-	Title = {Inner core anisotropy and heterogeneity level},
-	Volume = {27},
-	Year = {2000}}
+        Author = {R. Garcia and A. Souriau},
+        Journal = grl,
+        Pages = {3121-3125},
+        Title = {Inner core anisotropy and heterogeneity level},
+        Volume = {27},
+        Year = {2000}}
 
 @article{Garcia06,
-	Author = {R. Garcia and H. Tkalcic and S. Chevrot},
-	Journal = pepi,
-	Pages = {15-31},
-	Title = {A new global {PKP} dataset to study {E}arth's core and deep mantle},
-	Volume = {159},
-	Year = {2006}}
+        Author = {R. Garcia and H. Tkalcic and S. Chevrot},
+        Journal = pepi,
+        Pages = {15-31},
+        Title = {A new global {PKP} dataset to study {E}arth's core and deep mantle},
+        Volume = {159},
+        Year = {2006}}
 
 @article{Garland:2008:PCE,
-	Author = {Michael Garland and Scott Le Grand and John Nickolls and Joshua A. Anderson and Jim Hardwick and Scott Morton and Everett H. Phillips and Yao Zhang and Vasily Volkov},
-	Doi = {10.1109/MM.2008.57},
-	Journal = {IEEE Micro},
-	Month = jul,
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-	Pages = {13--27},
-	Title = {Parallel Computing Experiences with {CUDA}},
-	Volume = {28},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/MM.2008.57}}
+        Author = {Michael Garland and Scott Le Grand and John Nickolls and Joshua A. Anderson and Jim Hardwick and Scott Morton and Everett H. Phillips and Yao Zhang and Vasily Volkov},
+        Doi = {10.1109/MM.2008.57},
+        Journal = {IEEE Micro},
+        Month = jul,
+        Number = {4},
+        Pages = {13--27},
+        Title = {Parallel Computing Experiences with {CUDA}},
+        Volume = {28},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/MM.2008.57}}
 
 @article{GaLa97,
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-	Volume = {102},
-	Year = {1997}}
+        Author = {E. Garnero and T. Lay},
+        Journal = {J. Geophys. Res.},
+        Pages = {8121-8135},
+        Title = {Lateral variations in lowermost mantle shear wave anisotropy beneath the north {P}acific and {A}laska},
+        Volume = {102},
+        Year = {1997}}
 
 @article{garnero2000,
-	Author = {E. J. Garnero},
-	Journal = {Annual Review of Earth and Planetary Sciences},
-	Pages = {1-66},
-	Title = {Heterogeneity of the lowermost mantle},
-	Volume = {33},
-	Year = {2000}}
+        Author = {E. J. Garnero},
+        Journal = {Annual Review of Earth and Planetary Sciences},
+        Pages = {1-66},
+        Title = {Heterogeneity of the lowermost mantle},
+        Volume = {33},
+        Year = {2000}}
 
 @article{Gar56,
-	Author = {W. W. Garvin},
-	Journal = {Proc. R. Soc. London Ser. A},
-	Pages = {528-541},
-	Title = {Exact transient solution of the buried line source problem},
-	Volume = {234},
-	Year = {1956}}
+        Author = {W. W. Garvin},
+        Journal = {Proc. R. Soc. London Ser. A},
+        Pages = {528-541},
+        Title = {Exact transient solution of the buried line source problem},
+        Volume = {234},
+        Year = {1956}}
 
 @article{GoViTa86,
-	Author = {O. Gauthier and J. Virieux and A. Tarantola},
-	Journal = geophysics,
-	Pages = {1387-1403},
-	Title = {Two-dimensional non-linear inversion of seismic waveforms: numerical results},
-	Volume = {51},
-	Year = {1986}}
+        Author = {O. Gauthier and J. Virieux and A. Tarantola},
+        Journal = geophysics,
+        Pages = {1387-1403},
+        Title = {Two-dimensional non-linear inversion of seismic waveforms: numerical results},
+        Volume = {51},
+        Year = {1986}}
 
 @article{Gaz81,
-	Author = {J. Gazdag},
-	Journal = geophysics,
-	Pages = {854-859},
-	Title = {Modeling of the acoustic wave equation with transform methods},
-	Volume = {46},
-	Year = {1981}}
+        Author = {J. Gazdag},
+        Journal = geophysics,
+        Pages = {854-859},
+        Title = {Modeling of the acoustic wave equation with transform methods},
+        Volume = {46},
+        Year = {1981}}
 
 @article{GazHerWal60a,
-	Author = {D. C. Gazis and R. Herman and R. F. Wallis},
-	Journal = {Physical Review},
-	Number = {2},
-	Pages = {533-544},
-	Title = {Surface elastic waves in cubic crystals},
-	Volume = {119},
-	Year = {1960}}
+        Author = {D. C. Gazis and R. Herman and R. F. Wallis},
+        Journal = {Physical Review},
+        Number = {2},
+        Pages = {533-544},
+        Title = {Surface elastic waves in cubic crystals},
+        Volume = {119},
+        Year = {1960}}
 
 @article{GazHerWal60b,
-	Author = {D. C. Gazis and R. Herman and R. F. Wallis},
-	Journal = {Journal of Physics and Chemistry of Solids},
-	Pages = {268-270},
-	Title = {Surface elastic waves in semiconductors},
-	Volume = {14},
-	Year = {1960}}
+        Author = {D. C. Gazis and R. Herman and R. F. Wallis},
+        Journal = {Journal of Physics and Chemistry of Solids},
+        Pages = {268-270},
+        Title = {Surface elastic waves in semiconductors},
+        Volume = {14},
+        Year = {1960}}
 
 @article{GazWal66,
-	Author = {D. C. Gazis and R. F. Wallis},
-	Journal = {Surface Science},
-	Pages = {482-492},
-	Title = {Surface elastic waves in body-centered cubic lattices},
-	Volume = {5},
-	Year = {1966}}
+        Author = {D. C. Gazis and R. F. Wallis},
+        Journal = {Surface Science},
+        Pages = {482-492},
+        Title = {Surface elastic waves in body-centered cubic lattices},
+        Volume = {5},
+        Year = {1966}}
 
 @incollection{Ged98,
-	Address = {Boston, USA},
-	Author = {S. D. Gedney},
-	Booktitle = {Advances in Computational Electrodynamics: the Finite-Difference Time-Domain method},
-	Chapter = {5},
-	Editor = {Allen Taflove},
-	Pages = {263-343},
-	Publisher = {Artech House},
-	Title = {The {P}erfectly {M}atched {L}ayer absorbing medium},
-	Year = {1998}}
+        Address = {Boston, USA},
+        Author = {S. D. Gedney},
+        Booktitle = {Advances in Computational Electrodynamics: the Finite-Difference Time-Domain method},
+        Chapter = {5},
+        Editor = {Allen Taflove},
+        Pages = {263-343},
+        Publisher = {Artech House},
+        Title = {The {P}erfectly {M}atched {L}ayer absorbing medium},
+        Year = {1998}}
 
 @article{Ged96,
-	Author = {S. D. Gedney},
-	Doi = {10.1109/8.546249},
-	Journal = {IEEE Transactions on Antennas and Propagation},
-	Number = {12},
-	Pages = {1630-1639},
-	Title = {An anisotropic perfectly matched layer-absorbing medium for the truncation of {FDTD} lattices},
-	Volume = {44},
-	Year = {1996},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/8.546249}}
+        Author = {S. D. Gedney},
+        Doi = {10.1109/8.546249},
+        Journal = {IEEE Transactions on Antennas and Propagation},
+        Number = {12},
+        Pages = {1630-1639},
+        Title = {An anisotropic perfectly matched layer-absorbing medium for the truncation of {FDTD} lattices},
+        Volume = {44},
+        Year = {1996},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/8.546249}}
 
 @article{GeZh10,
-	Author = {S. D. Gedney and B. Zhao},
-	Doi = {10.1109/TAP.2009.2037765},
-	Journal = {IEEE Transactions on Antennas and Propagation},
-	Number = {3},
-	Pages = {838-847},
-	Title = {An Auxiliary Differential Equation Formulation for the Complex-Frequency Shifted {PML}},
-	Volume = {58},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/TAP.2009.2037765}}
+        Author = {S. D. Gedney and B. Zhao},
+        Doi = {10.1109/TAP.2009.2037765},
+        Journal = {IEEE Transactions on Antennas and Propagation},
+        Number = {3},
+        Pages = {838-847},
+        Title = {An Auxiliary Differential Equation Formulation for the Complex-Frequency Shifted {PML}},
+        Volume = {58},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/TAP.2009.2037765}}
 
 @article{GeOh94,
-	Author = {R. J. Geller and T. Ohminato},
-	Journal = gji,
-	Pages = {421-446},
-	Title = {Computation of synthetic seismograms and their partial derivatives for heterogeneous media with arbitrary natural boundary conditions using the {D}irect {S}olution {M}ethod},
-	Volume = {116},
-	Year = {1994}}
+        Author = {R. J. Geller and T. Ohminato},
+        Journal = gji,
+        Pages = {421-446},
+        Title = {Computation of synthetic seismograms and their partial derivatives for heterogeneous media with arbitrary natural boundary conditions using the {D}irect {S}olution {M}ethod},
+        Volume = {116},
+        Year = {1994}}
 
 @article{GeOsDeMeNeGo09,
-	Author = {Luigi Genovese and Matthieu Ospici and Thierry Deutsch and Jean-Fran\c{c}ois M\'{e}haut and Alexey Neelov and Stefan Goedecker},
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-	Volume = {131},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1063/1.3166140}}
+        Author = {Luigi Genovese and Matthieu Ospici and Thierry Deutsch and Jean-Fran\c{c}ois M\'{e}haut and Alexey Neelov and Stefan Goedecker},
+        Doi = {10.1063/1.3166140},
+        Journal = {Journal of Chemical Physics},
+        Number = {3},
+        Pages = {034103},
+        Title = {Density functional theory calculation on many-cores hybrid central processing unit-graphic processing unit architectures},
+        Volume = {131},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1063/1.3166140}}
 
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-	Address = {Paris},
-	Author = {P. Germain and P. Muller},
-	Edition = {2nd},
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-	Year = {1994}}
+        Address = {Paris},
+        Author = {P. Germain and P. Muller},
+        Edition = {2nd},
+        Publisher = {Masson},
+        Title = {Introduction \`a la m\'ecanique des milieux continus},
+        Year = {1994}}
 
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-	Author = {C. Geuzaine and J. F. Remacle},
-	Journal = ijnme,
-	Number = {11},
-	Owner = {komatits},
-	Pages = {1309-1331},
-	Timestamp = {2011.01.23},
-	Title = {Gmsh: {A} three-dimensional finite element mesh generator with built-in pre- and post-processing facilities},
-	Volume = {79},
-	Year = {2009}}
+        Author = {C. Geuzaine and J. F. Remacle},
+        Journal = ijnme,
+        Number = {11},
+        Owner = {komatits},
+        Pages = {1309-1331},
+        Timestamp = {2011.01.23},
+        Title = {Gmsh: {A} three-dimensional finite element mesh generator with built-in pre- and post-processing facilities},
+        Volume = {79},
+        Year = {2009}}
 
 @article{gilbert1970,
-	Author = {F. Gilbert},
-	Journal = gjras,
-	Pages = {223-226},
-	Title = {Excitation of the normal modes of the {E}arth by earthquake sources},
-	Volume = {22},
-	Year = {1970}}
+        Author = {F. Gilbert},
+        Journal = gjras,
+        Pages = {223-226},
+        Title = {Excitation of the normal modes of the {E}arth by earthquake sources},
+        Volume = {22},
+        Year = {1970}}
 
 @article{gilbertdziewonski1975,
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-	Title = {An Application of Normal Mode Theory to the Retrieval of Structural Parameters and Source Mechanisms from Seismic Spectra},
-	Volume = {278},
-	Year = {1975}}
+        Author = {F. Gilbert and A. M. Dziewo\'nski},
+        Journal = {Philos. Trans. R. Soc. London A},
+        Pages = {187-269},
+        Title = {An Application of Normal Mode Theory to the Retrieval of Structural Parameters and Source Mechanisms from Seismic Spectra},
+        Volume = {278},
+        Year = {1975}}
 
 @article{gilberthelmberger1972,
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-	Journal = gjras,
-	Pages = {57-80},
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-	Volume = {27},
-	Year = {1972}}
+        Author = {F. Gilbert and D. V. Helmberger},
+        Journal = gjras,
+        Pages = {57-80},
+        Title = {Generalized ray theory for a layered sphere},
+        Volume = {27},
+        Year = {1972}}
 
 @article{GiKn61,
-	Author = {F. Gilbert and L. Knopoff},
-	Journal = geophysics,
-	Pages = {626-634},
-	Title = {The directivity problem of a burried line source},
-	Volume = {26},
-	Year = {1961}}
+        Author = {F. Gilbert and L. Knopoff},
+        Journal = geophysics,
+        Pages = {626-634},
+        Title = {The directivity problem of a burried line source},
+        Volume = {26},
+        Year = {1961}}
 
 @article{GiKn60,
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-	Journal = jgr,
-	Pages = {3437-3444},
-	Title = {Seismic scattering from topographic irregularities},
-	Volume = {65},
-	Year = {1960}}
+        Author = {F. Gilbert and L. Knopoff},
+        Journal = jgr,
+        Pages = {3437-3444},
+        Title = {Seismic scattering from topographic irregularities},
+        Volume = {65},
+        Year = {1960}}
 
 @article{GiLa62,
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-	Journal = bssa,
-	Pages = {299-319},
-	Title = {Excitation and propagation of pulses on an interface},
-	Volume = {52},
-	Year = {1962}}
+        Author = {F. Gilbert and S. J. Laster},
+        Journal = bssa,
+        Pages = {299-319},
+        Title = {Excitation and propagation of pulses on an interface},
+        Volume = {52},
+        Year = {1962}}
 
 @article{gillmandjellouliamara2006,
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-	Note = {Accepted in February 2006},
-	Title = {A Mixed Hybrid Formulation Based on Oscillated Finite Element Polynomials for Solving {H}elmholtz Problems},
-	Year = {2006}}
+        Author = {A. Gillman and R. Djellouli and M. Amara},
+        Journal = {Journal of Computational and Applied Mathematics},
+        Note = {Accepted in February 2006},
+        Title = {A Mixed Hybrid Formulation Based on Oscillated Finite Element Polynomials for Solving {H}elmholtz Problems},
+        Year = {2006}}
 
 @article{GiHeWa02,
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-	Bdsk-Url-1 = {http://dx.doi.org/10.1006/jcph.2002.7139}}
+        Author = {F. X. Giraldo and J. S. Hesthaven and T. Warburton},
+        Doi = {10.1006/jcph.2002.7139},
+        Journal = jcp,
+        Number = {2},
+        Pages = {499-525},
+        Title = {Nodal High-Order Discontinuous {G}alerkin Methods for the Spherical Shallow Water Equations},
+        Volume = {181},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1006/jcph.2002.7139}}
 
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-	Year = {2005},
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+        Author = {F. X. Giraldo and T. Warburton},
+        Doi = {10.1016/j.jcp.2005.01.004},
+        Journal = jcp,
+        Number = {1},
+        Pages = {129-150},
+        Title = {A nodal triangle-based spectral element method for the shallow water equations on the sphere},
+        Volume = {207},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2005.01.004}}
 
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-	Volume = {14},
-	Year = {2006}}
+        Author = {L. Giraud and J. Langou and G. Sylvand},
+        Journal = jca,
+        Number = {1},
+        Pages = {83-111},
+        Title = {On The Parallel Solution Of Large Industrial Wave Propagation Problems},
+        Volume = {14},
+        Year = {2006}}
 
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-	Volume = {5},
-	Year = {2008}}
+        Address = {Berlin, Germany},
+        Author = {D. Givoli},
+        Booktitle = {Computational acoustics noise propagation in fluids},
+        Editor = {S. Marburg and B. Nolte},
+        Pages = {145-166},
+        Publisher = {Springer-Verlag},
+        Title = {Computational Absorbing Boundaries},
+        Volume = {5},
+        Year = {2008}}
 
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-	Author = {D. Givoli},
-	Journal = {Wave Motion},
-	Pages = {319-326},
-	Title = {High-Order Local Non-Reflecting Boundary Conditions: A Review},
-	Volume = {39},
-	Year = {2004}}
+        Author = {D. Givoli},
+        Journal = {Wave Motion},
+        Pages = {319-326},
+        Title = {High-Order Local Non-Reflecting Boundary Conditions: A Review},
+        Volume = {39},
+        Year = {2004}}
 
 @book{Giv92,
-	Address = {Amsterdam, The Netherlands},
-	Author = {Dan Givoli},
-	Publisher = {Elsevier Science Publishers},
-	Title = {Numerical Methods for Problems in Infinite Domains},
-	Year = {1992}}
+        Address = {Amsterdam, The Netherlands},
+        Author = {Dan Givoli},
+        Publisher = {Elsevier Science Publishers},
+        Title = {Numerical Methods for Problems in Infinite Domains},
+        Year = {1992}}
 
 @article{Giv91,
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-	Journal = jcp,
-	Pages = {1-29},
-	Title = {Non-reflecting boundary conditions: review article},
-	Volume = {94},
-	Year = {1991}}
+        Author = {D. Givoli},
+        Journal = jcp,
+        Pages = {1-29},
+        Title = {Non-reflecting boundary conditions: review article},
+        Volume = {94},
+        Year = {1991}}
 
 @incollection{GiKe94,
-	Address = {New York},
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-	Booktitle = {The mathematics of finite elements and applications},
-	Publisher = {John Wiley and sons},
-	Title = {Non-reflecting finite elements},
-	Year = {1994}}
+        Address = {New York},
+        Author = {D. Givoli and J. B. Keller},
+        Booktitle = {The mathematics of finite elements and applications},
+        Publisher = {John Wiley and sons},
+        Title = {Non-reflecting finite elements},
+        Year = {1994}}
 
 @article{GiKe90,
-	Author = {D. Givoli and J. B. Keller},
-	Journal = {Wave motion},
-	Pages = {261-279},
-	Title = {Non-reflecting boundary conditions for elastic waves},
-	Volume = {12},
-	Year = {1990}}
+        Author = {D. Givoli and J. B. Keller},
+        Journal = {Wave motion},
+        Pages = {261-279},
+        Title = {Non-reflecting boundary conditions for elastic waves},
+        Volume = {12},
+        Year = {1990}}
 
 @article{GNHelene,
-	Author = {D. Givoli and B. Neta},
-	Journal = {J. Comput. Phys.},
-	Pages = {24-46},
-	Title = {High-order non-reflecting boundary scheme for time-dependent waves},
-	Volume = {186},
-	Year = {2003}}
+        Author = {D. Givoli and B. Neta},
+        Journal = {J. Comput. Phys.},
+        Pages = {24-46},
+        Title = {High-order non-reflecting boundary scheme for time-dependent waves},
+        Volume = {186},
+        Year = {2003}}
 
 @article{GiVi93,
-	Author = {D. Givoli and S. Vidgergauz},
-	Journal = cmame,
-	Pages = {87-101},
-	Title = {Artificial boundary conditions for 2{D} problems in geophysics},
-	Volume = {110},
-	Year = {1993}}
+        Author = {D. Givoli and S. Vidgergauz},
+        Journal = cmame,
+        Pages = {87-101},
+        Title = {Artificial boundary conditions for 2{D} problems in geophysics},
+        Volume = {110},
+        Year = {1993}}
 
 @inproceedings{GlLaRaTe90,
-	Address = {SIAM, Philadelphia},
-	Author = {R. Glowinski and W. Lawton and M. Ravachol and E. Tenebaum},
-	Booktitle = {Proceedings of the 9th International Conference on Numerical Methods in Applied Sciences and Engineering},
-	Title = {Wavelet solution of linear and nonlinear elliptic, parabolic and hyperbolic problems in one space dimension},
-	Year = {1990}}
+        Address = {SIAM, Philadelphia},
+        Author = {R. Glowinski and W. Lawton and M. Ravachol and E. Tenebaum},
+        Booktitle = {Proceedings of the 9th International Conference on Numerical Methods in Applied Sciences and Engineering},
+        Title = {Wavelet solution of linear and nonlinear elliptic, parabolic and hyperbolic problems in one space dimension},
+        Year = {1990}}
 
 @article{GoAmTaCaSmSaMaKo09,
-	Author = {L. Godinho and P. Amado Mendes and A. Tadeu and A. Cadena-Isaza and C. Smerzini and F. J. S\'anchez-Sesma and R. Madec and Dimitri Komatitsch},
-	Doi = {10.1785/0120080096},
-	Journal = bssa,
-	Number = {2B},
-	Pages = {1147-1161},
-	Title = {Numerical simulation of ground rotations along {2D} topographical profiles under the incidence of elastic plane waves},
-	Volume = {99},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120080096}}
+        Author = {L. Godinho and P. Amado Mendes and A. Tadeu and A. Cadena-Isaza and C. Smerzini and F. J. S\'anchez-Sesma and R. Madec and Dimitri Komatitsch},
+        Doi = {10.1785/0120080096},
+        Journal = bssa,
+        Number = {2B},
+        Pages = {1147-1161},
+        Title = {Numerical simulation of ground rotations along {2D} topographical profiles under the incidence of elastic plane waves},
+        Volume = {99},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120080096}}
 
 @article{Gol56,
-	Author = {L. Gold},
-	Journal = {Physical Review},
-	Number = {6},
-	Pages = {1532-1536},
-	Title = {Rayleigh wave propagation on anisotropic (cubic) media},
-	Volume = {104},
-	Year = {1956}}
+        Author = {L. Gold},
+        Journal = {Physical Review},
+        Number = {6},
+        Pages = {1532-1536},
+        Title = {Rayleigh wave propagation on anisotropic (cubic) media},
+        Volume = {104},
+        Year = {1956}}
 
 @inproceedings{Goodnight:2003:AMS,
-	Author = {Nolan Goodnight and Cliff Woolley and Gregory Lewin and David P. Luebke and Greg Humphreys},
-	Booktitle = {Graphics Hardware 2003},
-	Editor = {Michael Doggett and Wolfgang Heidrich and William R. Mark and Andreas Schilling},
-	Month = jul,
-	Pages = {102--111},
-	Title = {A Multigrid Solver for Boundary Value Problems Using Programmable Graphics Hardware},
-	Year = {2003}}
+        Author = {Nolan Goodnight and Cliff Woolley and Gregory Lewin and David P. Luebke and Greg Humphreys},
+        Booktitle = {Graphics Hardware 2003},
+        Editor = {Michael Doggett and Wolfgang Heidrich and William R. Mark and Andreas Schilling},
+        Month = jul,
+        Pages = {102--111},
+        Title = {A Multigrid Solver for Boundary Value Problems Using Programmable Graphics Hardware},
+        Year = {2003}}
 
 @inproceedings{GoHa72,
-	Address = {New York, USA},
-	Author = {W. J. Gordon and C. A. Hall},
-	Booktitle = {Mathematical Foundations of the Finite Element Method with Applications to Partial Differential Equations},
-	Editor = {A. K. Aziz},
-	Pages = {769-784},
-	Publisher = {Academic Press},
-	Title = {Geometric aspects of the finite element method},
-	Year = {1972}}
+        Address = {New York, USA},
+        Author = {W. J. Gordon and C. A. Hall},
+        Booktitle = {Mathematical Foundations of the Finite Element Method with Applications to Partial Differential Equations},
+        Editor = {A. K. Aziz},
+        Pages = {769-784},
+        Publisher = {Academic Press},
+        Title = {Geometric aspects of the finite element method},
+        Year = {1972}}
 
 @article{Got81,
-	Author = {D. Gottlieb},
-	Journal = {Math. Comp.},
-	Pages = {107-118},
-	Title = {The stability of pseudospectral {C}hebyshev methods},
-	Volume = {36},
-	Year = {1981}}
+        Author = {D. Gottlieb},
+        Journal = {Math. Comp.},
+        Pages = {107-118},
+        Title = {The stability of pseudospectral {C}hebyshev methods},
+        Volume = {36},
+        Year = {1981}}
 
 @incollection{cgnash,
-	Address = {Nashville},
-	Author = {C. Gout},
-	Booktitle = {Approximation Theory {IX}},
-	Editor = {C. K. Chui and L. L. Schumaker},
-	Pages = {151-158},
-	Publisher = {Vanderbilt University Press},
-	Title = {Approximation using scale transformations},
-	Volume = {1},
-	Year = {1999}}
+        Address = {Nashville},
+        Author = {C. Gout},
+        Booktitle = {Approximation Theory {IX}},
+        Editor = {C. K. Chui and L. L. Schumaker},
+        Pages = {151-158},
+        Publisher = {Vanderbilt University Press},
+        Title = {Approximation using scale transformations},
+        Volume = {1},
+        Year = {1999}}
 
 @techreport{cg1001,
-	Address = {University of California at Berkeley, USA},
-	Author = {C. Gout},
-	Institution = {Center for Pure and Applied Mathematics},
-	Note = {36 p.},
-	Number = {1001},
-	Title = {Approximation of curves and surfaces from rapidly varying data},
-	Year = {1998}}
+        Address = {University of California at Berkeley, USA},
+        Author = {C. Gout},
+        Institution = {Center for Pure and Applied Mathematics},
+        Note = {36 p.},
+        Number = {1001},
+        Title = {Approximation of curves and surfaces from rapidly varying data},
+        Year = {1998}}
 
 @phdthesis{cgthesis,
-	Address = {Pau, France},
-	Author = {C. Gout},
-	Note = {203 p.},
-	School = {Universit\'e de Pau et des Pays de l'Adour},
-	Title = {Etude de changements d'\'echelle en approximation - ajustement spline sur des morceaux de surfaces},
-	Year = {1997}}
+        Address = {Pau, France},
+        Author = {C. Gout},
+        Note = {203 p.},
+        School = {Universit\'e de Pau et des Pays de l'Adour},
+        Title = {Etude de changements d'\'echelle en approximation - ajustement spline sur des morceaux de surfaces},
+        Year = {1997}}
 
 @techreport{GoLeGuVe05,
-	Author = {C. Gout and C. Le Guyader and L. Vese},
-	Institution = {Univ. of California, Los Angeles},
-	Note = {CAM 03-44},
-	Title = {Image segmentation under interpolation conditions},
-	Year = {2005}}
+        Author = {C. Gout and C. Le Guyader and L. Vese},
+        Institution = {Univ. of California, Los Angeles},
+        Note = {CAM 03-44},
+        Title = {Image segmentation under interpolation conditions},
+        Year = {2005}}
 
 @article{GoKo00,
-	Author = {C. Gout and D. Komatitsch},
-	Doi = {10.1023/A:1007500624487},
-	Journal = {Math. Geol.},
-	Number = {7},
-	Pages = {873-888},
-	Title = {Surface fitting of rapidly varying data using rank coding: application to geophysical surfaces},
-	Volume = {32},
-	Year = {2000},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1023/A:1007500624487}}
+        Author = {C. Gout and D. Komatitsch},
+        Doi = {10.1023/A:1007500624487},
+        Journal = {Math. Geol.},
+        Number = {7},
+        Pages = {873-888},
+        Title = {Surface fitting of rapidly varying data using rank coding: application to geophysical surfaces},
+        Volume = {32},
+        Year = {2000},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1023/A:1007500624487}}
 
 @article{GoVi03,
-	Author = {C. Gout and S. Vieira-Test\'e},
-	Journal = {Int. J. Comput. Math.},
-	Number = {1},
-	Pages = {47-54},
-	Title = {An algorithm for segmentation under interpolation conditions using deformable models},
-	Volume = {80},
-	Year = {2003}}
+        Author = {C. Gout and S. Vieira-Test\'e},
+        Journal = {Int. J. Comput. Math.},
+        Number = {1},
+        Pages = {47-54},
+        Title = {An algorithm for segmentation under interpolation conditions using deformable models},
+        Volume = {80},
+        Year = {2003}}
 
 @article{GoMa07,
-	Author = {Naga K. Govindaraju and Dinesh Manocha},
-	Journal = {Parallel Computing},
-	Pages = {663-684},
-	Title = {Cache-Efficient Numerical Algorithms using Graphics Hardware},
-	Volume = {33},
-	Year = {2007}}
+        Author = {Naga K. Govindaraju and Dinesh Manocha},
+        Journal = {Parallel Computing},
+        Pages = {663-684},
+        Title = {Cache-Efficient Numerical Algorithms using Graphics Hardware},
+        Volume = {33},
+        Year = {2007}}
 
 @incollection{Gra99,
-	Address = {Rotterdam, The Netherlands},
-	Author = {R. W. Graves},
-	Booktitle = {The Effects of Surface Geology on Seismic Motion},
-	Editor = {K. Irikura and K. Kudo and H. Okada and T. Sasatani},
-	Pages = {103-120},
-	Publisher = {Balkema},
-	Title = {Three-dimensional computer simulations of realistic earthquake ground motions in regions of deep sedimentary basin},
-	Volume = {1},
-	Year = {1999}}
+        Address = {Rotterdam, The Netherlands},
+        Author = {R. W. Graves},
+        Booktitle = {The Effects of Surface Geology on Seismic Motion},
+        Editor = {K. Irikura and K. Kudo and H. Okada and T. Sasatani},
+        Pages = {103-120},
+        Publisher = {Balkema},
+        Title = {Three-dimensional computer simulations of realistic earthquake ground motions in regions of deep sedimentary basin},
+        Volume = {1},
+        Year = {1999}}
 
 @article{Gra96,
-	Author = {R. W. Graves},
-	Journal = bssa,
-	Number = {4},
-	Pages = {1091-1106},
-	Title = {Simulating seismic wave propagation in 3{D} elastic media using staggered-grid finite differences},
-	Volume = {86},
-	Year = {1996}}
+        Author = {R. W. Graves},
+        Journal = bssa,
+        Number = {4},
+        Pages = {1091-1106},
+        Title = {Simulating seismic wave propagation in 3{D} elastic media using staggered-grid finite differences},
+        Volume = {86},
+        Year = {1996}}
 
 @inproceedings{Gra96b,
-	Address = {Acapulco, Mexico},
-	Author = {R. W. Graves},
-	Booktitle = {Proceedings of the 11th World Conference on Earthquake Engineering},
-	Title = {Simulating realistic earthquake ground motions in regions of deep sedimentary basins},
-	Year = {1996}}
+        Address = {Acapulco, Mexico},
+        Author = {R. W. Graves},
+        Booktitle = {Proceedings of the 11th World Conference on Earthquake Engineering},
+        Title = {Simulating realistic earthquake ground motions in regions of deep sedimentary basins},
+        Year = {1996}}
 
 @article{GrDa03,
-	Author = {R. W. Graves and S. M. Day},
-	Journal = bssa,
-	Pages = {283-300},
-	Title = {Stability and accuracy of coarse-grain viscoelastic simulations},
-	Volume = {93},
-	Year = {2003}}
+        Author = {R. W. Graves and S. M. Day},
+        Journal = bssa,
+        Pages = {283-300},
+        Title = {Stability and accuracy of coarse-grain viscoelastic simulations},
+        Volume = {93},
+        Year = {2003}}
 
 @article{GrZa10,
-	Author = {Michael Griebel and Peter Zaspel},
-	Doi = {10.1007/s00450-010-0111-7},
-	Journal = {Computer Science Research and Development},
-	Number = {1-2},
-	Pages = {65-73},
-	Title = {A multi-{GPU} accelerated solver for the three-dimensional two-phase incompressible {N}avier-{S}tokes equations},
-	Volume = {25},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1007/s00450-010-0111-7}}
+        Author = {Michael Griebel and Peter Zaspel},
+        Doi = {10.1007/s00450-010-0111-7},
+        Journal = {Computer Science Research and Development},
+        Number = {1-2},
+        Pages = {65-73},
+        Title = {A multi-{GPU} accelerated solver for the three-dimensional two-phase incompressible {N}avier-{S}tokes equations},
+        Volume = {25},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/s00450-010-0111-7}}
 
 @article{GrBo79,
-	Author = {D. W. Griffiths and G. A. Bollinger},
-	Journal = bssa,
-	Pages = {1081-1105},
-	Title = {The effect of {A}ppalachian mountain topography on seismic waves},
-	Volume = {69},
-	Year = {1979}}
+        Author = {D. W. Griffiths and G. A. Bollinger},
+        Journal = bssa,
+        Pages = {1081-1105},
+        Title = {The effect of {A}ppalachian mountain topography on seismic waves},
+        Volume = {69},
+        Year = {1979}}
 
 @article{GrLuDoSk96,
-	Author = {W. Gropp and E. Lusk and N. Doss and A. Skjellum},
-	Journal = {Parallel Computing},
-	Number = {6},
-	Pages = {789-828},
-	Title = {A high-performance, portable implementation of the {MPI} message passing interface standard},
-	Volume = {22},
-	Year = {1996}}
+        Author = {W. Gropp and E. Lusk and N. Doss and A. Skjellum},
+        Journal = {Parallel Computing},
+        Number = {6},
+        Pages = {789-828},
+        Title = {A high-performance, portable implementation of the {MPI} message passing interface standard},
+        Volume = {22},
+        Year = {1996}}
 
 @book{GrLuSk94,
-	Address = {Cambridge, USA},
-	Author = {W. Gropp and E. Lusk and A. Skjellum},
-	Publisher = {MIT Press},
-	Title = {Using {MPI}, portable parallel programming with the {M}essage-{P}assing {I}nterface},
-	Year = {1994}}
+        Address = {Cambridge, USA},
+        Author = {W. Gropp and E. Lusk and A. Skjellum},
+        Publisher = {MIT Press},
+        Title = {Using {MPI}, portable parallel programming with the {M}essage-{P}assing {I}nterface},
+        Year = {1994}}
 
 @article{Gro00,
-	Author = {M. J. Grote},
-	Journal = jcp,
-	Pages = {331-353},
-	Title = {Nonreflecting boundary conditions for elastodynamics scattering},
-	Volume = {161},
-	Year = {2000}}
+        Author = {M. J. Grote},
+        Journal = jcp,
+        Pages = {331-353},
+        Title = {Nonreflecting boundary conditions for elastodynamics scattering},
+        Volume = {161},
+        Year = {2000}}
 
 @article{GrScSc06,
-	Author = {Marcus J. Grote and Anna Schneebeli and Dominik Sch\"{o}tzau},
-	Doi = {10.1137/05063194X},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Number = {6},
-	Pages = {2408-2431},
-	Title = {Discontinuous {G}alerkin Finite Element Method for the Wave Equation},
-	Volume = {44},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1137/05063194X}}
+        Author = {Marcus J. Grote and Anna Schneebeli and Dominik Sch\"{o}tzau},
+        Doi = {10.1137/05063194X},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Number = {6},
+        Pages = {2408-2431},
+        Title = {Discontinuous {G}alerkin Finite Element Method for the Wave Equation},
+        Volume = {44},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1137/05063194X}}
 
 @article{GuLi06,
-	Author = {Murthy N. Guddati and Keng Wit Lim},
-	Doi = {10.1002/nme.1574},
-	Journal = ijnme,
-	Number = {6},
-	Pages = {949-977},
-	Title = {Continued fraction absorbing boundary conditions for convex polygonal domains},
-	Volume = {66},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.1574}}
+        Author = {Murthy N. Guddati and Keng Wit Lim},
+        Doi = {10.1002/nme.1574},
+        Journal = ijnme,
+        Number = {6},
+        Pages = {949-977},
+        Title = {Continued fraction absorbing boundary conditions for convex polygonal domains},
+        Volume = {66},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.1574}}
 
 @article{GuBa86b,
-	Author = {W. Gui and I. Babu\u{s}ka},
-	Journal = {Numer. Math.},
-	Pages = {577-683},
-	Title = {The {\it h}, {\it p} and {\it h-p} versions of the finite element method in one dimension},
-	Volume = {49},
-	Year = {1986}}
+        Author = {W. Gui and I. Babu\u{s}ka},
+        Journal = {Numer. Math.},
+        Pages = {577-683},
+        Title = {The {\it h}, {\it p} and {\it h-p} versions of the finite element method in one dimension},
+        Volume = {49},
+        Year = {1986}}
 
 @article{GuDu08,
-	Author = {Nail A. Gumerov and Ramani Duraiswami},
-	Doi = {10.1016/j.jcp.2008.05.023},
-	Journal = jcp,
-	Pages = {8290-8313},
-	Title = {Fast multipole methods on graphics processors},
-	Volume = {227},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2008.05.023}}
+        Author = {Nail A. Gumerov and Ramani Duraiswami},
+        Doi = {10.1016/j.jcp.2008.05.023},
+        Journal = jcp,
+        Pages = {8290-8313},
+        Title = {Fast multipole methods on graphics processors},
+        Volume = {227},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2008.05.023}}
 
 @article{GunWanLot91,
-	Author = {S. A. Gundersen and L. Wang and J. Lothe},
-	Journal = {Wave Motion},
-	Pages = {129-143},
-	Title = {Secluded supersonic elastic surface waves},
-	Volume = {14},
-	Year = {1991}}
+        Author = {S. A. Gundersen and L. Wang and J. Lothe},
+        Journal = {Wave Motion},
+        Pages = {129-143},
+        Title = {Secluded supersonic elastic surface waves},
+        Volume = {14},
+        Year = {1991}}
 
 @article{GuBa86a,
-	Author = {B. Guo and I. Babu\u{s}ka},
-	Journal = {Comput. Mech.},
-	Pages = {21-41},
-	Title = {The {\it h-p} version of the finite element method},
-	Volume = {1},
-	Year = {1986}}
+        Author = {B. Guo and I. Babu\u{s}ka},
+        Journal = {Comput. Mech.},
+        Pages = {21-41},
+        Title = {The {\it h-p} version of the finite element method},
+        Volume = {1},
+        Year = {1986}}
 
 @article{LeGuApGo05,
-	Author = {C. Le Guyader and D. Apprato and C. Gout},
-	Journal = {Numer. Algorithms},
-	Pages = {221-235},
-	Title = {Using a level set approach for image segmentation under interpolation conditions},
-	Volume = {39},
-	Year = {2005}}
+        Author = {C. Le Guyader and D. Apprato and C. Gout},
+        Journal = {Numer. Algorithms},
+        Pages = {221-235},
+        Title = {Using a level set approach for image segmentation under interpolation conditions},
+        Volume = {39},
+        Year = {2005}}
 
 @phdthesis{Goeddeke:2010:FAA,
-	Author = {Dominik G{\"o}ddeke},
-	Month = may,
-	Note = {\url{http://hdl.handle.net/2003/27243}},
-	School = {{T}echnische {U}niversit{\"a}t Dortmund, {F}akult{\"a}t f{\"u}r {M}athematik},
-	Title = {Fast and Accurate Finite-Element Multigrid Solvers for {PDE} Simulations on {GPU} Clusters},
-	Year = {2010}}
+        Author = {Dominik G{\"o}ddeke},
+        Month = may,
+        Note = {\url{http://hdl.handle.net/2003/27243}},
+        School = {{T}echnische {U}niversit{\"a}t Dortmund, {F}akult{\"a}t f{\"u}r {M}athematik},
+        Title = {Fast and Accurate Finite-Element Multigrid Solvers for {PDE} Simulations on {GPU} Clusters},
+        Year = {2010}}
 
 @inproceedings{Goeddeke:2009:GAO,
-	Address = {Leipzig, Germany},
-	Author = {Dominik G{\"o}ddeke and Sven H.M. Buijssen and Hilmar Wobker and Stefan Turek},
-	Booktitle = {High Performance Computing \& Simulation 2009},
-	Editor = {Waleed W. Smari and John P. McIntire},
-	Month = jun,
-	Pages = {12-21},
-	Title = {{GPU} Acceleration of an Unmodified Parallel Finite Element {N}avier-{S}tokes Solver},
-	Year = {2009}}
+        Address = {Leipzig, Germany},
+        Author = {Dominik G{\"o}ddeke and Sven H.M. Buijssen and Hilmar Wobker and Stefan Turek},
+        Booktitle = {High Performance Computing \& Simulation 2009},
+        Editor = {Waleed W. Smari and John P. McIntire},
+        Month = jun,
+        Pages = {12-21},
+        Title = {{GPU} Acceleration of an Unmodified Parallel Finite Element {N}avier-{S}tokes Solver},
+        Year = {2009}}
 
 @article{Rob96,
-	Author = {J. O. A. Robertsson},
-	Journal = geophysics,
-	Pages = {1921-1934},
-	Title = {A numerical free-surface condition for elastic/viscoelastic finite-difference modeling in the presence of topography},
-	Volume = 61,
-	Year = 1996}
+        Author = {J. O. A. Robertsson},
+        Journal = geophysics,
+        Pages = {1921-1934},
+        Title = {A numerical free-surface condition for elastic/viscoelastic finite-difference modeling in the presence of topography},
+        Volume = 61,
+        Year = 1996}
 
 @article{Goeddeke:2009:CPA,
-	Author = {Dominik G{\"o}ddeke and Hilmar Wobker and Robert Strzodka and Jamaludin Mohd-Yusof and Patrick S. McCormick and Stefan Turek},
-	Editor = {Hans Petter Langtangen and Michael Thun{\'e}},
-	Journal = {International Journal of Computational Science and Engineering},
-	Month = oct,
-	Number = {4},
-	Pages = {254--269},
-	Title = {Co-Processor Acceleration of an Unmodified Parallel Solid Mechanics Code with {FEASTGPU}},
-	Volume = {4},
-	Year = {2009}}
+        Author = {Dominik G{\"o}ddeke and Hilmar Wobker and Robert Strzodka and Jamaludin Mohd-Yusof and Patrick S. McCormick and Stefan Turek},
+        Editor = {Hans Petter Langtangen and Michael Thun{\'e}},
+        Journal = {International Journal of Computational Science and Engineering},
+        Month = oct,
+        Number = {4},
+        Pages = {254--269},
+        Title = {Co-Processor Acceleration of an Unmodified Parallel Solid Mechanics Code with {FEASTGPU}},
+        Volume = {4},
+        Year = {2009}}
 
 @article{barucqduquetprat2006,
-	Author = {H. Barucq, B. Duquet and F. Prat},
-	Journal = {J. of Scientific Computing},
-	Note = {Submitted, available at lma.univ-pau.fr/publis/publis\_pre.php},
-	Title = {True-amplitude one way propagation in heterogeneous media},
-	Year = {2006}}
+        Author = {H. Barucq, B. Duquet and F. Prat},
+        Journal = {J. of Scientific Computing},
+        Note = {Submitted, available at lma.univ-pau.fr/publis/publis\_pre.php},
+        Title = {True-amplitude one way propagation in heterogeneous media},
+        Year = {2006}}
 
 @article{Hor2,
-	Author = {L. H\o{}rmander},
-	Journal = {Ann. of Math.},
-	Pages = {129-209},
-	Title = {Pseudo-differential Operators and Non Elliptic Boundary Problems},
-	Volume = {83},
-	Year = {1966}}
+        Author = {L. H\o{}rmander},
+        Journal = {Ann. of Math.},
+        Pages = {129-209},
+        Title = {Pseudo-differential Operators and Non Elliptic Boundary Problems},
+        Volume = {83},
+        Year = {1966}}
 
 @article{Hor1,
-	Author = {L. H\o{}rmander},
-	Journal = {Comm. Pure Appl. Math.},
-	Pages = {501-517},
-	Title = {Pseudo-differential Operators},
-	Volume = {18},
-	Year = {1965}}
+        Author = {L. H\o{}rmander},
+        Journal = {Comm. Pure Appl. Math.},
+        Pages = {501-517},
+        Title = {Pseudo-differential Operators},
+        Volume = {18},
+        Year = {1965}}
 
 @booklet{Haa09,
-	Address = {G\"ottingen},
-	Author = {A. Haar},
-	Title = {Zur Theorie der orthogonalen Funktionensysteme},
-	Year = {1909}}
+        Address = {G\"ottingen},
+        Author = {A. Haar},
+        Title = {Zur Theorie der orthogonalen Funktionensysteme},
+        Year = {1909}}
 
 @article{HaKa77,
-	Author = {D. Hadley and H. Kanamori},
-	Journal = {Geol. Soc. Am. Bull.},
-	Pages = {1469-1478},
-	Title = {Seismic structure of the {T}ransverse {R}anges, {C}alifornia},
-	Volume = {88},
-	Year = {1977}}
+        Author = {D. Hadley and H. Kanamori},
+        Journal = {Geol. Soc. Am. Bull.},
+        Pages = {1469-1478},
+        Title = {Seismic structure of the {T}ransverse {R}anges, {C}alifornia},
+        Volume = {88},
+        Year = {1977}}
 
 @article{Hager85,
-	Author = {Hager, B. H. and R. W. Clayton and M. A. Richards and R. P. Comer and A. M. Dziewo\'nski},
-	Journal = {Nature},
-	Pages = {541--546},
-	Title = {Lower mantle heterogeneity, dynamic topography and the geoid},
-	Volume = {313},
-	Year = {1985}}
+        Author = {Hager, B. H. and R. W. Clayton and M. A. Richards and R. P. Comer and A. M. Dziewo\'nski},
+        Journal = {Nature},
+        Pages = {541--546},
+        Title = {Lower mantle heterogeneity, dynamic topography and the geoid},
+        Volume = {313},
+        Year = {1985}}
 
 @inproceedings{Hag03,
-	Address = {Jyv\"askyl\"a, Finland},
-	Author = {T. Hagstrom},
-	Booktitle = {Mathematical and Numerical Aspects of Wave Propagation: Waves 2003},
-	Editor = {Gary Cohen and Erkki Heikkola and Patrick Joly and Pekka Neittaanm\"aki},
-	Pages = {125-129},
-	Publisher = {Springer-Verlag},
-	Series = {Proceedings of the Sixth International Conference on Mathematical and Numerical Aspects of Wave Propagation},
-	Title = {Perfectly matched layers for hyperbolic systems with applications to the linearized {E}uler equations},
-	Year = {2003}}
+        Address = {Jyv\"askyl\"a, Finland},
+        Author = {T. Hagstrom},
+        Booktitle = {Mathematical and Numerical Aspects of Wave Propagation: Waves 2003},
+        Editor = {Gary Cohen and Erkki Heikkola and Patrick Joly and Pekka Neittaanm\"aki},
+        Pages = {125-129},
+        Publisher = {Springer-Verlag},
+        Series = {Proceedings of the Sixth International Conference on Mathematical and Numerical Aspects of Wave Propagation},
+        Title = {Perfectly matched layers for hyperbolic systems with applications to the linearized {E}uler equations},
+        Year = {2003}}
 
 @article{Ha99,
-	Author = {T. Hagstrom},
-	Journal = {Acta Numerica},
-	Pages = {47-106},
-	Title = {Radiation boundary conditions for the numerical simulation of waves},
-	Volume = {8},
-	Year = {1999}}
+        Author = {T. Hagstrom},
+        Journal = {Acta Numerica},
+        Pages = {47-106},
+        Title = {Radiation boundary conditions for the numerical simulation of waves},
+        Volume = {8},
+        Year = {1999}}
 
 @article{HaHa98,
-	Author = {T. Hagstrom and S. I. Hariharan},
-	Journal = {Appl. Num. Math.},
-	Pages = {403-416},
-	Title = {A formulation of asymptotic and exact boundary conditions using local operators},
-	Volume = {27},
-	Year = {1998}}
+        Author = {T. Hagstrom and S. I. Hariharan},
+        Journal = {Appl. Num. Math.},
+        Pages = {403-416},
+        Title = {A formulation of asymptotic and exact boundary conditions using local operators},
+        Volume = {27},
+        Year = {1998}}
 
 @book{HaLuWa06,
-	Address = {Berlin, Germany},
-	Author = {Hairer, Ernst and Lubich, Christian and Wanner, Gerhard},
-	Edition = {Second},
-	Publisher = {Springer-Verlag},
-	Series = {Springer Series in Computational Mathematics},
-	Title = {Geometric numerical integration},
-	Volume = {31},
-	Year = {2006}}
+        Address = {Berlin, Germany},
+        Author = {Hairer, Ernst and Lubich, Christian and Wanner, Gerhard},
+        Edition = {Second},
+        Publisher = {Springer-Verlag},
+        Series = {Springer Series in Computational Mathematics},
+        Title = {Geometric numerical integration},
+        Volume = {31},
+        Year = {2006}}
 
 @article{HalHelene,
-	Author = {L. Halpern},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Number = {5},
-	Pages = {1256-1283},
-	Title = {Artificial boundary conditions for incompletely parabolic perturbations of hyperbolic systems},
-	Volume = {22},
-	Year = {1991}}
+        Author = {L. Halpern},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Number = {5},
+        Pages = {1256-1283},
+        Title = {Artificial boundary conditions for incompletely parabolic perturbations of hyperbolic systems},
+        Volume = {22},
+        Year = {1991}}
 
 @article{HaOuVe78,
-	Author = {M. A. Hamdi and Y. Ousset and G. Verchery},
-	Journal = ijnme,
-	Pages = {139-150},
-	Title = {A displacement method for the analysis of vibrations of coupled fluid-structure systems},
-	Volume = {13},
-	Year = {1978}}
+        Author = {M. A. Hamdi and Y. Ousset and G. Verchery},
+        Journal = ijnme,
+        Pages = {139-150},
+        Title = {A displacement method for the analysis of vibrations of coupled fluid-structure systems},
+        Volume = {13},
+        Year = {1978}}
 
 @article{HaKoGi10,
-	Author = {Shravan M. Hanasoge and Dimitri Komatitsch and Laurent Gizon},
-	Doi = {10.1051/0004-6361/201014345},
-	Journal = {Astronomy and Astrophysics},
-	Number = {A87},
-	Pages = {1-8},
-	Title = {An absorbing boundary formulation for the stratified, linearized, ideal {MHD} equations based on an unsplit, convolutional perfectly matched layer},
-	Volume = {522},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1051/0004-6361/201014345}}
+        Author = {Shravan M. Hanasoge and Dimitri Komatitsch and Laurent Gizon},
+        Doi = {10.1051/0004-6361/201014345},
+        Journal = {Astronomy and Astrophysics},
+        Number = {A87},
+        Pages = {1-8},
+        Title = {An absorbing boundary formulation for the stratified, linearized, ideal {MHD} equations based on an unsplit, convolutional perfectly matched layer},
+        Volume = {522},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1051/0004-6361/201014345}}
 
 @article{HaSe93,
-	Author = {B. Hanouzet and M. Sesques},
-	Journal = {Notes on Numerical Fluid Dynamics},
-	Pages = {315-322},
-	Title = {Absorbing boundary conditions for {M}axwell's equations},
-	Volume = {43},
-	Year = {1993}}
+        Author = {B. Hanouzet and M. Sesques},
+        Journal = {Notes on Numerical Fluid Dynamics},
+        Pages = {315-322},
+        Title = {Absorbing boundary conditions for {M}axwell's equations},
+        Volume = {43},
+        Year = {1993}}
 
 @article{Haetal91,
-	Author = {T. Hara and S. Tsuboi and R.J. Geller},
-	Journal = gji,
-	Pages = {523-540},
-	Title = {Inversion for laterally heterogeneous {E}arth structure using a laterally heterogeneous starting model: preliminary results},
-	Volume = {104},
-	Year = {1991}}
+        Author = {T. Hara and S. Tsuboi and R.J. Geller},
+        Journal = gji,
+        Pages = {523-540},
+        Title = {Inversion for laterally heterogeneous {E}arth structure using a laterally heterogeneous starting model: preliminary results},
+        Volume = {104},
+        Year = {1991}}
 
 @article{harari2006,
-	Author = {I. Harari},
-	Journal = cmame,
-	Pages = {1594-1607},
-	Title = {A survey of finite element methods for time-harmonic acoustics},
-	Volume = {195},
-	Year = {2006}}
+        Author = {I. Harari},
+        Journal = cmame,
+        Pages = {1594-1607},
+        Title = {A survey of finite element methods for time-harmonic acoustics},
+        Volume = {195},
+        Year = {2006}}
 
 @article{HaSlTu00,
-	Author = {I. Harari and M. Slavutin and E. Turkel},
-	Journal = jca,
-	Number = {1},
-	Pages = {121-137},
-	Title = {Analytical and numerical studies of a finite element {PML} for the {H}elmholtz equation},
-	Volume = {8},
-	Year = {2000}}
+        Author = {I. Harari and M. Slavutin and E. Turkel},
+        Journal = jca,
+        Number = {1},
+        Pages = {121-137},
+        Title = {Analytical and numerical studies of a finite element {PML} for the {H}elmholtz equation},
+        Volume = {8},
+        Year = {2000}}
 
 @book{Har88,
-	Address = {Bristol},
-	Author = {A. H. Harker},
-	Publisher = {British Gas Editions},
-	Title = {Elastic waves in solids, with application to non destructive testing of pipelines},
-	Year = {1988}}
+        Address = {Bristol},
+        Author = {A. H. Harker},
+        Publisher = {British Gas Editions},
+        Title = {Elastic waves in solids, with application to non destructive testing of pipelines},
+        Year = {1988}}
 
 @phdthesis{Harris:2003:RTC,
-	Author = {Mark J. Harris},
-	Month = sep,
-	School = {University of North Carolina at Chapel Hill, USA},
-	Title = {Real-Time Cloud Simulation and Rendering},
-	Year = {2003}}
+        Author = {Mark J. Harris},
+        Month = sep,
+        School = {University of North Carolina at Chapel Hill, USA},
+        Title = {Real-Time Cloud Simulation and Rendering},
+        Year = {2003}}
 
 @article{HaDa99,
-	Author = {R. A. Harris and S. M. Day},
-	Journal = grl,
-	Pages = {2089-2092},
-	Title = {Dynamic 3{D} simulations of earthquakes on en-echelon faults},
-	Volume = {26},
-	Year = {1999}}
+        Author = {R. A. Harris and S. M. Day},
+        Journal = grl,
+        Pages = {2089-2092},
+        Title = {Dynamic 3{D} simulations of earthquakes on en-echelon faults},
+        Volume = {26},
+        Year = {1999}}
 
 @article{HaHaFrCaCrMeMi98,
-	Author = {S. Hartzell and S. Harmsen and A. Frankel and D. Carver and E. Cranswick and M. Meremonte and J. Michael},
-	Journal = bssa,
-	Pages = {463-472},
-	Title = {First-generation site-response maps for the {L}os {A}ngeles region based on earthquake ground motions},
-	Volume = {88},
-	Year = {1998}}
+        Author = {S. Hartzell and S. Harmsen and A. Frankel and D. Carver and E. Cranswick and M. Meremonte and J. Michael},
+        Journal = bssa,
+        Pages = {463-472},
+        Title = {First-generation site-response maps for the {L}os {A}ngeles region based on earthquake ground motions},
+        Volume = {88},
+        Year = {1998}}
 
 @article{HaCaKi94,
-	Author = {S. H. Hartzell and D. L. Carver and K. W. King},
-	Journal = bssa,
-	Pages = {1336-1349},
-	Title = {Initial investigation of site and topographic effects at {R}obinwood ridge, {C}alifornia},
-	Volume = {84},
-	Year = {1994}}
+        Author = {S. H. Hartzell and D. L. Carver and K. W. King},
+        Journal = bssa,
+        Pages = {1336-1349},
+        Title = {Initial investigation of site and topographic effects at {R}obinwood ridge, {C}alifornia},
+        Volume = {84},
+        Year = {1994}}
 
 @article{HaLeFrMi96,
-	Author = {S. H. Hartzell and A. Leeds and A. Frankel and J. Michael},
-	Journal = bssa,
-	Number = {1B},
-	Pages = {S168-S192},
-	Title = {Site response for urban {L}os {A}ngeles using aftershocks of the {N}orthridge ''quake},
-	Volume = {86},
-	Year = {1996}}
+        Author = {S. H. Hartzell and A. Leeds and A. Frankel and J. Michael},
+        Journal = bssa,
+        Number = {1B},
+        Pages = {S168-S192},
+        Title = {Site response for urban {L}os {A}ngeles using aftershocks of the {N}orthridge ''quake},
+        Volume = {86},
+        Year = {1996}}
 
 @article{HaScBr96,
-	Author = {F. D. Hastings and J. B. Schneider and S. L. Broschat},
-	Journal = jasa,
-	Number = {5},
-	Pages = {3061-3069},
-	Title = {Application of the {P}erfectly {M}atched {L}ayer {(PML)} absorbing boundary condition to elastic wave propagation},
-	Volume = {100},
-	Year = {1996}}
+        Author = {F. D. Hastings and J. B. Schneider and S. L. Broschat},
+        Journal = jasa,
+        Number = {5},
+        Pages = {3061-3069},
+        Title = {Application of the {P}erfectly {M}atched {L}ayer {(PML)} absorbing boundary condition to elastic wave propagation},
+        Volume = {100},
+        Year = {1996}}
 
 @article{hauksson2000,
-	Author = {E. Hauksson},
-	Journal = jgr,
-	Pages = {13875-13903},
-	Title = {Crustal structure and seismicity distribution adjacent to the {P}acific and {N}orth {A}merica plate boundary in {S}outhern {C}alifornia},
-	Volume = {105},
-	Year = {2000}}
+        Author = {E. Hauksson},
+        Journal = jgr,
+        Pages = {13875-13903},
+        Title = {Crustal structure and seismicity distribution adjacent to the {P}acific and {N}orth {A}merica plate boundary in {S}outhern {C}alifornia},
+        Volume = {105},
+        Year = {2000}}
 
 @article{Hau90,
-	Author = {E. Hauksson},
-	Journal = jgr,
-	Pages = {15365-15394},
-	Title = {Earthquakes, faulting, and stress in the {L}os {A}ngeles basin},
-	Volume = {95},
-	Year = {1990}}
+        Author = {E. Hauksson},
+        Journal = jgr,
+        Pages = {15365-15394},
+        Title = {Earthquakes, faulting, and stress in the {L}os {A}ngeles basin},
+        Volume = {95},
+        Year = {1990}}
 
 @article{HaHa97,
-	Author = {E. Hauksson and J. S. Haase},
-	Journal = jgr,
-	Pages = {5423-5453},
-	Title = {Three-dimensional {$V_p$} and {$V_p/V_s$} velocity models of the {L}os {A}ngeles basin and central {T}ransverse {R}anges, {C}alifornia},
-	Volume = {102},
-	Year = {1997}}
+        Author = {E. Hauksson and J. S. Haase},
+        Journal = jgr,
+        Pages = {5423-5453},
+        Title = {Three-dimensional {$V_p$} and {$V_p/V_s$} velocity models of the {L}os {A}ngeles basin and central {T}ransverse {R}anges, {C}alifornia},
+        Volume = {102},
+        Year = {1997}}
 
 @article{HaTeHe87,
-	Author = {E. Hauksson and T. L. Teng and T. L. Henyey},
-	Journal = bssa,
-	Pages = {1883-1904},
-	Title = {Results from a 1500~m deep, three-level downhole seismometer array: site response, low {$Q$} values, and $f_{max}$},
-	Volume = {77},
-	Year = {1987}}
+        Author = {E. Hauksson and T. L. Teng and T. L. Henyey},
+        Journal = bssa,
+        Pages = {1883-1904},
+        Title = {Results from a 1500~m deep, three-level downhole seismometer array: site response, low {$Q$} values, and $f_{max}$},
+        Volume = {77},
+        Year = {1987}}
 
 @techreport{HaKeLe02,
-	Address = {France},
-	Author = {P. Hav\'e and M. Kern and Ch. Lemuet},
-	Institution = {INRIA},
-	Month = {February},
-	Number = {RR 4381},
-	Title = {R\'esolution num\'erique de l'\'equation des ondes par une m\'ethode d'\'el\'ements finis d'ordre \'elev\'e sur calculateur parall\`ele},
-	Year = {2002}}
+        Address = {France},
+        Author = {P. Hav\'e and M. Kern and Ch. Lemuet},
+        Institution = {INRIA},
+        Month = {February},
+        Number = {RR 4381},
+        Title = {R\'esolution num\'erique de l'\'equation des ondes par une m\'ethode d'\'el\'ements finis d'ordre \'elev\'e sur calculateur parall\`ele},
+        Year = {2002}}
 
 @book{Hea00,
-	Address = {New York},
-	Author = {S. Heaney},
-	Publisher = {Farrar, Straus and Giroux Publishers},
-	Title = {Beowulf, a new verse translation, bilingual edition},
-	Year = {2000}}
+        Address = {New York},
+        Author = {S. Heaney},
+        Publisher = {Farrar, Straus and Giroux Publishers},
+        Title = {Beowulf, a new verse translation, bilingual edition},
+        Year = {2000}}
 
 @incollection{Hel94,
-	Address = {Oxford, England},
-	Author = {K. Helbig},
-	Booktitle = {Handbook of Geophysical exploration, section I: Seismic exploration},
-	Editor = {K. Helbig and S. Treitel},
-	Publisher = {Pergamon},
-	Title = {Foundations of anisotropy for exploration seismics},
-	Volume = {22},
-	Year = {1994}}
+        Address = {Oxford, England},
+        Author = {K. Helbig},
+        Booktitle = {Handbook of Geophysical exploration, section I: Seismic exploration},
+        Editor = {K. Helbig and S. Treitel},
+        Publisher = {Pergamon},
+        Title = {Foundations of anisotropy for exploration seismics},
+        Volume = {22},
+        Year = {1994}}
 
 @article{helmbergerburdick1979,
-	Author = {D. V. Helmberger and L. J. Burdick},
-	Journal = {Annual Review of Earth and Planetary Sciences},
-	Pages = {417-442},
-	Title = {Synthetics seismograms},
-	Volume = {7},
-	Year = {1979}}
+        Author = {D. V. Helmberger and L. J. Burdick},
+        Journal = {Annual Review of Earth and Planetary Sciences},
+        Pages = {417-442},
+        Title = {Synthetics seismograms},
+        Volume = {7},
+        Year = {1979}}
 
 @article{helmbergeretal1996,
-	Author = {D. V. Helmberger and E. J. Garnero and X. Ding},
-	Journal = jgr,
-	Pages = {13,963-13,972},
-	Title = {Modeling two-dimensional structure at the core-mantle boundary},
-	Volume = {101},
-	Year = {1996}}
+        Author = {D. V. Helmberger and E. J. Garnero and X. Ding},
+        Journal = jgr,
+        Pages = {13,963-13,972},
+        Title = {Modeling two-dimensional structure at the core-mantle boundary},
+        Volume = {101},
+        Year = {1996}}
 
 @article{hemon78,
-	Author = {C. Hemon},
-	Journal = {Geophys. Prosp.},
-	Pages = {790-821},
-	Title = {Equations d'onde et mod\`{e}les},
-	Volume = {26},
-	Year = {1978}}
+        Author = {C. Hemon},
+        Journal = {Geophys. Prosp.},
+        Pages = {790-821},
+        Title = {Equations d'onde et mod\`{e}les},
+        Volume = {26},
+        Year = {1978}}
 
 @incollection{HeKa93,
-	Address = {Swansea},
-	Author = {R. D. Henderson and G. E. Karniadakis},
-	Booktitle = {Finite elements in fluids},
-	Editor = {K. Morgan and E. Onate and J. Periaux and J. Peraire and O. C. Zienkiewicz},
-	Publisher = {Pineridge Press},
-	Title = {Unstructured spectral element methods for the incompressible {N}avier-{S}tokes equations},
-	Year = {1993}}
+        Address = {Swansea},
+        Author = {R. D. Henderson and G. E. Karniadakis},
+        Booktitle = {Finite elements in fluids},
+        Editor = {K. Morgan and E. Onate and J. Periaux and J. Peraire and O. C. Zienkiewicz},
+        Publisher = {Pineridge Press},
+        Title = {Unstructured spectral element methods for the incompressible {N}avier-{S}tokes equations},
+        Year = {1993}}
 
 @article{Hest98,
-	Author = {J. S. Hesthaven},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Pages = {655-676},
-	Title = {From electrostatics to almost optimal nodal sets for polynomial interpolation in a simplex},
-	Volume = {35},
-	Year = {1998}}
+        Author = {J. S. Hesthaven},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Pages = {655-676},
+        Title = {From electrostatics to almost optimal nodal sets for polynomial interpolation in a simplex},
+        Volume = {35},
+        Year = {1998}}
 
 @article{Hest98b,
-	Author = {J. S. Hesthaven},
-	Journal = jcp,
-	Number = {1},
-	Pages = {129-147},
-	Title = {On the analysis and construction of perfectly matched layers for the linearized {E}uler equations},
-	Volume = {142},
-	Year = {1998}}
+        Author = {J. S. Hesthaven},
+        Journal = jcp,
+        Number = {1},
+        Pages = {129-147},
+        Title = {On the analysis and construction of perfectly matched layers for the linearized {E}uler equations},
+        Volume = {142},
+        Year = {1998}}
 
 @article{Hest99,
-	Author = {J. S. Hesthaven and C. H. Teng},
-	Journal = {SIAM J. Sci. Comput.},
-	Pages = {2352-2380},
-	Title = {Stable spectral methods on tetrahedral elements},
-	Volume = {21},
-	Year = {2000}}
+        Author = {J. S. Hesthaven and C. H. Teng},
+        Journal = {SIAM J. Sci. Comput.},
+        Pages = {2352-2380},
+        Title = {Stable spectral methods on tetrahedral elements},
+        Volume = {21},
+        Year = {2000}}
 
 @article{HeRu94,
-	Author = {S. Hestholm and B. Ruud},
-	Journal = gp,
-	Pages = {371-390},
-	Title = {2{D} finite-difference elastic wave modelling including surface topography},
-	Volume = {42},
-	Year = {1994}}
+        Author = {S. Hestholm and B. Ruud},
+        Journal = gp,
+        Pages = {371-390},
+        Title = {2{D} finite-difference elastic wave modelling including surface topography},
+        Volume = {42},
+        Year = {1994}}
 
 @article{Hickey97,
-	Author = {C. J. Hickey and J. M. Sabatier},
-	Journal = jasa,
-	Pages = {1480-1484},
-	Title = {Choosing {B}iot parameters for modeling water-saturated sand},
-	Volume = {102},
-	Year = {1997}}
+        Author = {C. J. Hickey and J. M. Sabatier},
+        Journal = jasa,
+        Pages = {1480-1484},
+        Title = {Choosing {B}iot parameters for modeling water-saturated sand},
+        Volume = {102},
+        Year = {1997}}
 
 @article{Hig91,
-	Author = {R. L. Higdon},
-	Journal = geophysics,
-	Pages = {231-241},
-	Title = {Absorbing boundary conditions for elastic waves},
-	Volume = {56},
-	Year = {1991}}
+        Author = {R. L. Higdon},
+        Journal = geophysics,
+        Pages = {231-241},
+        Title = {Absorbing boundary conditions for elastic waves},
+        Volume = {56},
+        Year = {1991}}
 
 @article{Hig90,
-	Author = {R. L. Higdon},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Pages = {831-870},
-	Title = {Radiation boundary conditions for elastic wave propagation},
-	Volume = {27},
-	Year = {1990}}
+        Author = {R. L. Higdon},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Pages = {831-870},
+        Title = {Radiation boundary conditions for elastic wave propagation},
+        Volume = {27},
+        Year = {1990}}
 
 @book{Hij87,
-	Author = {van der Hijden, J. H. M. T.},
-	Publisher = {North-Holland, Amsterdam, The Netherlands},
-	Title = {Propagation of transient elastic waves in stratified anisotropic media},
-	Year = {1987}}
+        Author = {van der Hijden, J. H. M. T.},
+        Publisher = {North-Holland, Amsterdam, The Netherlands},
+        Title = {Propagation of transient elastic waves in stratified anisotropic media},
+        Year = {1987}}
 
 @article{hilletal1993,
-	Author = {D. P. Hill and {et al.}},
-	Journal = {Science},
-	Pages = {1617-1623},
-	Title = {Seismicity remotely triggered by the magnitude~7.3 {L}anders, {C}alifornia ''quake},
-	Volume = {260},
-	Year = {1993}}
+        Author = {D. P. Hill and {et al.}},
+        Journal = {Science},
+        Pages = {1617-1623},
+        Title = {Seismicity remotely triggered by the magnitude~7.3 {L}anders, {C}alifornia ''quake},
+        Volume = {260},
+        Year = {1993}}
 
 @article{HoRo94,
-	Author = {L. W. Ho and E. M. R{\o}nquist},
-	Journal = {Finite Elements in Analysis and Design},
-	Pages = {207-227},
-	Title = {Spectral-Element Solution of Steady Incompressible Viscous Free-Surface Flows},
-	Volume = {16},
-	Year = {1994}}
+        Author = {L. W. Ho and E. M. R{\o}nquist},
+        Journal = {Finite Elements in Analysis and Design},
+        Pages = {207-227},
+        Title = {Spectral-Element Solution of Steady Incompressible Viscous Free-Surface Flows},
+        Volume = {16},
+        Year = {1994}}
 
 @article{Hol87,
-	Author = {O. Holberg},
-	Journal = gp,
-	Pages = {629-655},
-	Title = {Computational aspects of the choice of operator and sampling interval for numerical differentiation in large-scale simulation of wave phenomena},
-	Volume = {35},
-	Year = {1987}}
+        Author = {O. Holberg},
+        Journal = gp,
+        Pages = {629-655},
+        Title = {Computational aspects of the choice of operator and sampling interval for numerical differentiation in large-scale simulation of wave phenomena},
+        Volume = {35},
+        Year = {1987}}
 
 @article{Hoo60,
-	Author = {A. T. de Hoop},
-	Journal = {Applied Science Research},
-	Pages = {349-356},
-	Title = {A modification of {C}agniard's method for solving seismic pulse problems},
-	Volume = {B8},
-	Year = {1960}}
+        Author = {A. T. de Hoop},
+        Journal = {Applied Science Research},
+        Pages = {349-356},
+        Title = {A modification of {C}agniard's method for solving seismic pulse problems},
+        Volume = {B8},
+        Year = {1960}}
 
 @article{dehoop96,
-	Author = {M. V. de Hoop},
-	Journal = {J. Math. Phys.},
-	Pages = {3246-3282},
-	Title = {Generalization of the {B}remmer coupling series},
-	Volume = {37},
-	Year = {1996}}
+        Author = {M. V. de Hoop},
+        Journal = {J. Math. Phys.},
+        Pages = {3246-3282},
+        Title = {Generalization of the {B}remmer coupling series},
+        Volume = {37},
+        Year = {1996}}
 
 @article{dehoop3,
-	Author = {M. V. De Hoop and J. H. Le Rousseau},
-	Journal = {Geophysics},
-	Number = {5},
-	Pages = {1538-1550},
-	Title = {Scalar Generalized-Screen Algorithms in Transversely Isotropic Media with a Vertical Symmetry Axis},
-	Volume = {66},
-	Year = {2001}}
+        Author = {M. V. De Hoop and J. H. Le Rousseau},
+        Journal = {Geophysics},
+        Number = {5},
+        Pages = {1538-1550},
+        Title = {Scalar Generalized-Screen Algorithms in Transversely Isotropic Media with a Vertical Symmetry Axis},
+        Volume = {66},
+        Year = {2001}}
 
 @article{dehoop2000,
-	Author = {M. V. De Hoop and J. H. Le Rousseau and R. S. Wu},
-	Journal = {Wave Motion},
-	Pages = {43-70},
-	Title = {Generalization of the phase-screen approximation for the scattering of acoustic waves},
-	Volume = {31},
-	Year = {2000}}
+        Author = {M. V. De Hoop and J. H. Le Rousseau and R. S. Wu},
+        Journal = {Wave Motion},
+        Pages = {43-70},
+        Title = {Generalization of the phase-screen approximation for the scattering of acoustic waves},
+        Volume = {31},
+        Year = {2000}}
 
 @article{dehoop2,
-	Author = {M. V. De Hoop and C. Spencer and R. Burridge},
-	Journal = geophysics,
-	Pages = {852-873},
-	Title = {The Resolving Power of Seismic Amplitude Data: An Isotropic Inversion/Migration Approach},
-	Volume = {64},
-	Year = {1999}}
+        Author = {M. V. De Hoop and C. Spencer and R. Burridge},
+        Journal = geophysics,
+        Pages = {852-873},
+        Title = {The Resolving Power of Seismic Amplitude Data: An Isotropic Inversion/Migration Approach},
+        Volume = {64},
+        Year = {1999}}
 
 @article{HoUeTa90,
-	Author = {M. Horike and H. Uebayashi and T. Takeuchi},
-	Journal = {J. Phys. Earth},
-	Pages = {261-284},
-	Title = {Seismic response in three dimensional sedimentary basin due to plane {{\it S}} wave incidence},
-	Volume = {38},
-	Year = {1990}}
+        Author = {M. Horike and H. Uebayashi and T. Takeuchi},
+        Journal = {J. Phys. Earth},
+        Pages = {261-284},
+        Title = {Seismic response in three dimensional sedimentary basin due to plane {{\it S}} wave incidence},
+        Volume = {38},
+        Year = {1990}}
 
 @book{HoJo85,
-	Address = {Cambridge},
-	Author = {R. A. Horn and C. R. Johnson},
-	Publisher = {Cambridge University Press},
-	Title = {Matrix analysis},
-	Year = {1985}}
+        Address = {Cambridge},
+        Author = {R. A. Horn and C. R. Johnson},
+        Publisher = {Cambridge University Press},
+        Title = {Matrix analysis},
+        Year = {1985}}
 
 @article{hch,
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-	Journal = {Computer Aided Geometric Design},
-	Pages = {71-95},
-	Title = {Virtual knot technique for curve fitting of rapidly varying data},
-	Volume = {11},
-	Year = {1994}}
+        Author = {H. C. Hsieh and W. T. Chang},
+        Journal = {Computer Aided Geometric Design},
+        Pages = {71-95},
+        Title = {Virtual knot technique for curve fitting of rapidly varying data},
+        Volume = {11},
+        Year = {1994}}
 
 @article{Hu01,
-	Author = {Fang Q. Hu},
-	Doi = {10.1006/jcph.2001.6887},
-	Journal = jcp,
-	Number = {2},
-	Pages = {455-480},
-	Title = {A Stable Perfectly Matched Layer for Linearized {E}uler Equations in Unsplit Physical Variables},
-	Volume = {173},
-	Year = {2001},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1006/jcph.2001.6887}}
+        Author = {Fang Q. Hu},
+        Doi = {10.1006/jcph.2001.6887},
+        Journal = jcp,
+        Number = {2},
+        Pages = {455-480},
+        Title = {A Stable Perfectly Matched Layer for Linearized {E}uler Equations in Unsplit Physical Variables},
+        Volume = {173},
+        Year = {2001},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1006/jcph.2001.6887}}
 
 @article{HuHuRa99,
-	Author = {Hu, Fang Q. and Hussaini, M. Y. and Rasetarinera, Patrick},
-	Doi = {10.1006/jcph.1999.6227},
-	Journal = jcp,
-	Number = {2},
-	Pages = {921-946},
-	Title = {An analysis of the discontinuous {G}alerkin method for wave propagation problems},
-	Volume = {151},
-	Year = {1999},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1006/jcph.1999.6227}}
+        Author = {Hu, Fang Q. and Hussaini, M. Y. and Rasetarinera, Patrick},
+        Doi = {10.1006/jcph.1999.6227},
+        Journal = jcp,
+        Number = {2},
+        Pages = {921-946},
+        Title = {An analysis of the discontinuous {G}alerkin method for wave propagation problems},
+        Volume = {151},
+        Year = {1999},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1006/jcph.1999.6227}}
 
 @article{Huang95,
-	Author = {J. Y. Huang},
-	Journal = {Eng. Frac. Mech.},
-	Pages = {217-224},
-	Title = {Interaction of {$SH$} waves with a finite crack in half space},
-	Volume = {51},
-	Year = {1995}}
+        Author = {J. Y. Huang},
+        Journal = {Eng. Frac. Mech.},
+        Pages = {217-224},
+        Title = {Interaction of {$SH$} waves with a finite crack in half space},
+        Volume = {51},
+        Year = {1995}}
 
 @article{Hud67,
-	Author = {J. A. Hudson},
-	Journal = gjras,
-	Pages = {441-458},
-	Title = {Scattered surface waves from a surface obstacle},
-	Volume = {13},
-	Year = {1967}}
+        Author = {J. A. Hudson},
+        Journal = gjras,
+        Pages = {441-458},
+        Title = {Scattered surface waves from a surface obstacle},
+        Volume = {13},
+        Year = {1967}}
 
 @article{Hubo80,
-	Author = {J. A. Hudson and D. M. Boore},
-	Journal = gjras,
-	Pages = {123-127},
-	Title = {Comments on ``Scattered surface waves from a surface obstacle''},
-	Volume = {60},
-	Year = {1980}}
+        Author = {J. A. Hudson and D. M. Boore},
+        Journal = gjras,
+        Pages = {123-127},
+        Title = {Comments on ``Scattered surface waves from a surface obstacle''},
+        Volume = {60},
+        Year = {1980}}
 
 @article{HuKn64a,
-	Author = {J. A. Hudson and L. Knopoff},
-	Journal = jgr,
-	Pages = {275-280},
-	Title = {Transmission and reflection of surface waves at a corner, part 1: {L}ove waves},
-	Volume = {69},
-	Year = {1964}}
+        Author = {J. A. Hudson and L. Knopoff},
+        Journal = jgr,
+        Pages = {275-280},
+        Title = {Transmission and reflection of surface waves at a corner, part 1: {L}ove waves},
+        Volume = {69},
+        Year = {1964}}
 
 @article{HuKn64b,
-	Author = {J. A. Hudson and L. Knopoff},
-	Journal = jgr,
-	Pages = {281-289},
-	Title = {Transmission and reflection of surface waves at a corner, part 2: {R}ayleigh waves (theoretical)},
-	Volume = {69},
-	Year = {1964}}
+        Author = {J. A. Hudson and L. Knopoff},
+        Journal = jgr,
+        Pages = {281-289},
+        Title = {Transmission and reflection of surface waves at a corner, part 2: {R}ayleigh waves (theoretical)},
+        Volume = {69},
+        Year = {1964}}
 
 @article{Hud96,
-	Author = {J. A. Hudson and E. Liu and S. Crampin},
-	Journal = gji,
-	Pages = {105-112},
-	Title = {The mechanical properties of materials with interconnected cracks and pores},
-	Volume = {124},
-	Year = {1996}}
+        Author = {J. A. Hudson and E. Liu and S. Crampin},
+        Journal = gji,
+        Pages = {105-112},
+        Title = {The mechanical properties of materials with interconnected cracks and pores},
+        Volume = {124},
+        Year = {1996}}
 
 @article{HuYe95,
-	Author = {G. J. Huftile and R. S. Yeats},
-	Journal = jgr,
-	Number = {2},
-	Pages = {2043-2067},
-	Title = {Convergence rates across a displacement transfer zone in the western {T}ransverse {R}anges, {V}entura Basin, {C}alifornia},
-	Volume = {100},
-	Year = {1995}}
+        Author = {G. J. Huftile and R. S. Yeats},
+        Journal = jgr,
+        Number = {2},
+        Pages = {2043-2067},
+        Title = {Convergence rates across a displacement transfer zone in the western {T}ransverse {R}anges, {V}entura Basin, {C}alifornia},
+        Volume = {100},
+        Year = {1995}}
 
 @book{Hug87,
-	Address = {Englewood Cliffs, New Jersey, USA},
-	Author = {Thomas J. R. Hughes},
-	Publisher = {Prentice-Hall International},
-	Title = {The finite element method, linear static and dynamic finite element analysis},
-	Year = {1987}}
+        Address = {Englewood Cliffs, New Jersey, USA},
+        Author = {Thomas J. R. Hughes},
+        Publisher = {Prentice-Hall International},
+        Title = {The finite element method, linear static and dynamic finite element analysis},
+        Year = {1987}}
 
 @article{HuFeHa87,
-	Author = {T. J. R. Hughes and R. M. Ferencz and J. O. Hallquist},
-	Journal = cmame,
-	Number = {2},
-	Pages = {215-248},
-	Title = {Large-scale vectorized implicit calculations in solid mechanics on a {Cray X-MP/48} utilizing {EBE} preconditioned conjugate gradients},
-	Volume = {61},
-	Year = {1987}}
+        Author = {T. J. R. Hughes and R. M. Ferencz and J. O. Hallquist},
+        Journal = cmame,
+        Number = {2},
+        Pages = {215-248},
+        Title = {Large-scale vectorized implicit calculations in solid mechanics on a {Cray X-MP/48} utilizing {EBE} preconditioned conjugate gradients},
+        Volume = {61},
+        Year = {1987}}
 
 @article{HuHu88,
-	Author = {T. J. R. Hughes and G. M. Hulbert},
-	Journal = cmame,
-	Pages = {339-363},
-	Title = {Space-time finite element methods for elastodynamics, formulation and error estimates},
-	Volume = {66},
-	Year = {1988}}
+        Author = {T. J. R. Hughes and G. M. Hulbert},
+        Journal = cmame,
+        Pages = {339-363},
+        Title = {Space-time finite element methods for elastodynamics, formulation and error estimates},
+        Volume = {66},
+        Year = {1988}}
 
 @article{HuMa78,
-	Author = {T. J. R. Hughes and J. E. Marsden},
-	Journal = {Journal of Elasticity},
-	Number = {1},
-	Pages = {97-110},
-	Title = {Classical elastodynamics as a linear symmetric hyperbolic system},
-	Volume = {8},
-	Year = {1978}}
+        Author = {T. J. R. Hughes and J. E. Marsden},
+        Journal = {Journal of Elasticity},
+        Number = {1},
+        Pages = {97-110},
+        Title = {Classical elastodynamics as a linear symmetric hyperbolic system},
+        Volume = {8},
+        Year = {1978}}
 
 @phdthesis{Hul89,
-	Address = {Stanford},
-	Author = {G. M. Hulbert},
-	School = {Stanford University},
-	Title = {Space-time finite element methods for second-order hyperbolic equations},
-	Year = {1989}}
+        Address = {Stanford},
+        Author = {G. M. Hulbert},
+        School = {Stanford University},
+        Title = {Space-time finite element methods for second-order hyperbolic equations},
+        Year = {1989}}
 
 @article{HuCh92,
-	Author = {G. M. Hulbert and J. Chung},
-	Journal = {New Methods in Transient Analysis},
-	Pages = {73-78},
-	Title = {A new explicit time integration method for structural dynamics: the explicit generalized $\alpha$-method},
-	Volume = {143},
-	Year = {1992}}
+        Author = {G. M. Hulbert and J. Chung},
+        Journal = {New Methods in Transient Analysis},
+        Pages = {73-78},
+        Title = {A new explicit time integration method for structural dynamics: the explicit generalized $\alpha$-method},
+        Volume = {143},
+        Year = {1992}}
 
 @article{HuHu90,
-	Author = {G. M. Hulbert and T. J. R. Hughes},
-	Journal = cmame,
-	Pages = {327-348},
-	Title = {Space-time finite element methods for second-order hyperbolic equations},
-	Volume = {84},
-	Year = {1990}}
+        Author = {G. M. Hulbert and T. J. R. Hughes},
+        Journal = cmame,
+        Pages = {327-348},
+        Title = {Space-time finite element methods for second-order hyperbolic equations},
+        Volume = {84},
+        Year = {1990}}
 
 @incollection{HuPrDuKeMa06,
-	Address = {Dallas, Texas, USA},
-	Author = {John R. Humphrey and Daniel K. Price and James P. Durbano and Eric J. Kelmelis and Richard D. Martin},
-	Booktitle = {Proceedings of the 10th WSEAS International Conference on Applied Mathematics},
-	Pages = {547-550},
-	Publisher = {World Scientific and Engineering Academy and Society (WSEAS)},
-	Title = {High performance {2D} and {3D FDTD} solvers on {GPU}s},
-	Year = {2006}}
+        Address = {Dallas, Texas, USA},
+        Author = {John R. Humphrey and Daniel K. Price and James P. Durbano and Eric J. Kelmelis and Richard D. Martin},
+        Booktitle = {Proceedings of the 10th WSEAS International Conference on Applied Mathematics},
+        Pages = {547-550},
+        Publisher = {World Scientific and Engineering Academy and Society (WSEAS)},
+        Title = {High performance {2D} and {3D FDTD} solvers on {GPU}s},
+        Year = {2006}}
 
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-	Author = {S. H. Hung and D. Forsyth},
-	Journal = gji,
-	Number = {3},
-	Pages = {726-740},
-	Title = {Modelling anisotropic wave propagation in oceanic inhomogeneous structures using the parallel multidomain pseudo-spectral method},
-	Volume = {133},
-	Year = {1998}}
+        Author = {S. H. Hung and D. Forsyth},
+        Journal = gji,
+        Number = {3},
+        Pages = {726-740},
+        Title = {Modelling anisotropic wave propagation in oceanic inhomogeneous structures using the parallel multidomain pseudo-spectral method},
+        Volume = {133},
+        Year = {1998}}
 
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-	Volume = {12},
-	Year = {2001}}
+        Author = {D. C. Hurley and V. K. Tewary and A. J. Richards},
+        Journal = {Measurement Science Technology},
+        Pages = {1486-1494},
+        Title = {Surface acoustic wave methods to determine the anisotropic elastic properties of thin films},
+        Volume = {12},
+        Year = {2001}}
 
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-	Title = {Phonon focusing in cubic crystals},
-	Volume = {32},
-	Year = {1985}}
+        Author = {D. C. Hurley and J. P. Wolfe},
+        Journal = {Physical Review B},
+        Number = {4},
+        Pages = {2568-2587},
+        Title = {Phonon focusing in cubic crystals},
+        Volume = {32},
+        Year = {1985}}
 
 @article{HeSa06,
-	Author = {Pascal H{\'e}non and Yousef Saad},
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-	Pages = {2266-2293},
-	Title = {A Parallel Multistage {ILU} Factorization Based on a Hierarchical Graph Decomposition},
-	Volume = {28},
-	Year = {2006}}
+        Author = {Pascal H{\'e}non and Yousef Saad},
+        Journal = {SIAM Journal of Scientific Computing},
+        Number = {6},
+        Pages = {2266-2293},
+        Title = {A Parallel Multistage {ILU} Factorization Based on a Hierarchical Graph Decomposition},
+        Volume = {28},
+        Year = {2006}}
 
 @article{ianculescuthompson2006,
-	Author = {C. Ianculescu and L. L. Thompson},
-	Journal = cmame,
-	Pages = {3709-3741},
-	Title = {Parallel iterative solution for the {H}elmholtz equation with exact non-reflecting boundary conditions},
-	Volume = {195},
-	Year = {2006}}
+        Author = {C. Ianculescu and L. L. Thompson},
+        Journal = cmame,
+        Pages = {3709-3741},
+        Title = {Parallel iterative solution for the {H}elmholtz equation with exact non-reflecting boundary conditions},
+        Volume = {195},
+        Year = {2006}}
 
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-	Volume = {23},
-	Year = {1996}}
+        Author = {G. A. Ichinose and S. M. Day and H. Magistrale and T. Prush and F. Vernon and A. Edelman},
+        Journal = grl,
+        Pages = {3095-3098},
+        Title = {Crustal thickness variations beneath the {P}eninsular {R}anges, southern {C}alifornia},
+        Volume = {23},
+        Year = {1996}}
 
 @article{Ig99,
-	Author = {H. Igel},
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-	Pages = {559-566},
-	Title = {Wave propagation in three-dimensional spherical sections by the {C}hebyshev spectral method},
-	Volume = {136},
-	Year = {1999}}
+        Author = {H. Igel},
+        Journal = gji,
+        Pages = {559-566},
+        Title = {Wave propagation in three-dimensional spherical sections by the {C}hebyshev spectral method},
+        Volume = {136},
+        Year = {1999}}
 
 @phdthesis{Ige93,
-	Address = {Paris},
-	Author = {Heiner Igel},
-	School = {Universit\'e Paris {\sc VII} Jussieu},
-	Title = {Seismic modeling and inversion},
-	Year = {1993}}
+        Address = {Paris},
+        Author = {Heiner Igel},
+        School = {Universit\'e Paris {\sc VII} Jussieu},
+        Title = {Seismic modeling and inversion},
+        Year = {1993}}
 
 @article{IgGe00,
-	Author = {H. Igel and R. J. Geller},
-	Journal = pepi,
-	Pages = {1-2},
-	Title = {Numerical modeling of global seismic wave propagation: algorithms, accuracy, verification},
-	Volume = {119},
-	Year = {2000}}
+        Author = {H. Igel and R. J. Geller},
+        Journal = pepi,
+        Pages = {1-2},
+        Title = {Numerical modeling of global seismic wave propagation: algorithms, accuracy, verification},
+        Volume = {119},
+        Year = {2000}}
 
 @article{IgMoRi95,
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-	Journal = geophysics,
-	Number = {4},
-	Pages = {1203-1216},
-	Title = {Anisotropic wave propagation through finite-difference grids},
-	Volume = {60},
-	Year = {1995}}
+        Author = {H. Igel and P. Mora and B. Riollet},
+        Journal = geophysics,
+        Number = {4},
+        Pages = {1203-1216},
+        Title = {Anisotropic wave propagation through finite-difference grids},
+        Volume = {60},
+        Year = {1995}}
 
 @article{IgWe96,
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-	Journal = grl,
-	Pages = {415-418},
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-	Volume = {23},
-	Year = {1996}}
+        Author = {H. Igel and M. Weber},
+        Journal = grl,
+        Pages = {415-418},
+        Title = {{P-SV} wave propagation in the whole mantle using high-order finite differences: application to lowermost mantle structure},
+        Volume = {23},
+        Year = {1996}}
 
 @article{IgWe95,
-	Author = {H. Igel and M. Weber},
-	Journal = grl,
-	Pages = {731-734},
-	Title = {{SH}-wave propagation in the whole mantle using high-order finite differences},
-	Volume = {22},
-	Year = {1995}}
+        Author = {H. Igel and M. Weber},
+        Journal = grl,
+        Pages = {731-734},
+        Title = {{SH}-wave propagation in the whole mantle using high-order finite differences},
+        Volume = {22},
+        Year = {1995}}
 
 @article{IngTon69,
-	Author = {K. A. Ingebrigtsen and A. Tonning},
-	Journal = {Physical Review},
-	Number = {3},
-	Pages = {942-951},
-	Title = {Elastic surface waves in crystals},
-	Volume = {184},
-	Year = {1969}}
+        Author = {K. A. Ingebrigtsen and A. Tonning},
+        Journal = {Physical Review},
+        Number = {3},
+        Pages = {942-951},
+        Title = {Elastic surface waves in crystals},
+        Volume = {184},
+        Year = {1969}}
 
 @inproceedings{InEl08,
-	Address = {Atlanta, Georgia, USA},
-	Author = {Inman, M. J. and Elsherbeni, A. Z.},
-	Booktitle = {Proceedings of the 2008 IEEE MTT-S International Microwave Symposium},
-	Doi = {10.1109/MWSYM.2008.4633125},
-	Month = {June},
-	Pages = {149-152},
-	Title = {Optimization and parameter exploration using {GPU} based {FDTD} solvers},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/MWSYM.2008.4633125}}
+        Address = {Atlanta, Georgia, USA},
+        Author = {Inman, M. J. and Elsherbeni, A. Z.},
+        Booktitle = {Proceedings of the 2008 IEEE MTT-S International Microwave Symposium},
+        Doi = {10.1109/MWSYM.2008.4633125},
+        Month = {June},
+        Pages = {149-152},
+        Title = {Optimization and parameter exploration using {GPU} based {FDTD} solvers},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/MWSYM.2008.4633125}}
 
 @inproceedings{InElMaBa07,
-	Address = {Honolulu, Hawaii, USA},
-	Author = {Inman, M. J. and Elsherbeni, A. Z. and Maloney, J. G. and Baker, B. N.},
-	Booktitle = {Proceedings of the 2007 IEEE Antennas and Propagation Society International Symposium},
-	Doi = {10.1109/APS.2007.4396732},
-	Month = {June},
-	Pages = {5255-5258},
-	Title = {{GPU} based {FDTD} solver with {CPML} boundaries},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/APS.2007.4396732}}
+        Address = {Honolulu, Hawaii, USA},
+        Author = {Inman, M. J. and Elsherbeni, A. Z. and Maloney, J. G. and Baker, B. N.},
+        Booktitle = {Proceedings of the 2007 IEEE Antennas and Propagation Society International Symposium},
+        Doi = {10.1109/APS.2007.4396732},
+        Month = {June},
+        Pages = {5255-5258},
+        Title = {{GPU} based {FDTD} solver with {CPML} boundaries},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/APS.2007.4396732}}
 
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-	Address = {Berlin},
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-	Pages = {174-207},
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-	Title = {Numerical simulation of lava flows on some volcanoes in {J}apan},
-	Year = {1990}}
+        Address = {Berlin},
+        Author = {K. Ishihara and M. Iguchi and K. Kamo},
+        Booktitle = {Lava flows and domes},
+        Editor = {J. H. Fink},
+        Pages = {174-207},
+        Publisher = {Springer-Verlag},
+        Title = {Numerical simulation of lava flows on some volcanoes in {J}apan},
+        Year = {1990}}
 
 @book{Iss89,
-	Address = {Oxford},
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-	Note = {560 p.},
-	Publisher = {Oxford University Press},
-	Title = {An Introduction to Applied Geostatistics},
-	Year = {1989}}
+        Address = {Oxford},
+        Author = {E. H. Issaks and R. M. Srivastava},
+        Note = {560 p.},
+        Publisher = {Oxford University Press},
+        Title = {An Introduction to Applied Geostatistics},
+        Year = {1989}}
 
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-	Pages = {553-561},
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-	Volume = {44},
-	Year = {1996}}
+        Author = {T. Iwata and K. Hatayama and H. Kawase and K. Irikura},
+        Journal = {J. Phys. Earth},
+        Pages = {553-561},
+        Title = {Site Amplification of Ground motions during aftershocks of the 1995 {H}yogo-ken {N}anbu earthquake in severely damaged zone - {A}rray observation of ground motions at {H}igashinada {W}ard, {K}obe city, {J}apan},
+        Volume = {44},
+        Year = {1996}}
 
 @phdthesis{Jon02,
-	Address = {California},
-	Author = {S. J\'onsson},
-	School = {Stanford University},
-	Title = {Modeling volcano and earthquake deformation from satellite {R}adar interferometric observations},
-	Year = {2002}}
+        Address = {California},
+        Author = {S. J\'onsson},
+        School = {Stanford University},
+        Title = {Modeling volcano and earthquake deformation from satellite {R}adar interferometric observations},
+        Year = {2002}}
 
 @article{JaJiGeLo06,
-	Author = {R. K. Jaiman and X. Jiao and P. H. Geubelle and E. Loth},
-	Doi = {10.1016/j.jcp.2006.02.016},
-	Journal = jcp,
-	Number = {1},
-	Pages = {372-397},
-	Title = {Conservative load transfer along curved fluid-solid interface with non-matching meshes},
-	Volume = {218},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2006.02.016}}
+        Author = {R. K. Jaiman and X. Jiao and P. H. Geubelle and E. Loth},
+        Doi = {10.1016/j.jcp.2006.02.016},
+        Journal = jcp,
+        Number = {1},
+        Pages = {372-397},
+        Title = {Conservative load transfer along curved fluid-solid interface with non-matching meshes},
+        Volume = {218},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2006.02.016}}
 
 @misc{JaReNeGue2008,
-	Author = {A. Jarvis and H.I. Reuter and A. Nelson and E. Guevara},
-	Lastchecked = {2008},
-	Title = {Hole-filled seamless {SRTM} data {V4}},
-	Url = {http://srtm.csi.cgiar.org},
-	Urldate = {http://srtm.csi.cgiar.org},
-	Year = {2008},
-	Bdsk-Url-1 = {http://srtm.csi.cgiar.org}}
+        Author = {A. Jarvis and H.I. Reuter and A. Nelson and E. Guevara},
+        Lastchecked = {2008},
+        Title = {Hole-filled seamless {SRTM} data {V4}},
+        Url = {http://srtm.csi.cgiar.org},
+        Urldate = {http://srtm.csi.cgiar.org},
+        Year = {2008},
+        Bdsk-Url-1 = {http://srtm.csi.cgiar.org}}
 
 @article{JaBe92,
-	Author = {C. Jastram and A. Behle},
-	Journal = gp,
-	Pages = {157-169},
-	Title = {Acoustic modeling on a grid of vertically varying spacing},
-	Volume = {40},
-	Year = {1992}}
+        Author = {C. Jastram and A. Behle},
+        Journal = gp,
+        Pages = {157-169},
+        Title = {Acoustic modeling on a grid of vertically varying spacing},
+        Volume = {40},
+        Year = {1992}}
 
 @article{JaTe92,
-	Author = {C. Jastram and E. Tessmer},
-	Journal = gp,
-	Pages = {357-370},
-	Title = {Elastic modelling on a grid with vertically varying spacing},
-	Volume = {42},
-	Year = {1992}}
+        Author = {C. Jastram and E. Tessmer},
+        Journal = gp,
+        Pages = {357-370},
+        Title = {Elastic modelling on a grid with vertically varying spacing},
+        Volume = {42},
+        Year = {1992}}
 
 @book{Jeffreys3,
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-	Publisher = {Cambridge University Press},
-	Title = {The {E}arth},
-	Year = {1959}}
+        Address = {New York, USA},
+        Author = {Harold Jeffreys},
+        Publisher = {Cambridge University Press},
+        Title = {The {E}arth},
+        Year = {1959}}
 
 @incollection{Jen75,
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-	Publisher = {California Division of Mines and Geology},
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-	Year = {1975}}
+        Address = {Sacramento, California},
+        Author = {P. Jennings},
+        Booktitle = {Geological Data Map 1},
+        Publisher = {California Division of Mines and Geology},
+        Title = {Fault map of {C}alifornia with volcanoes, thermal springs and thermal wells at 1:750,000 scale},
+        Year = {1975}}
 
 @article{JiHeWa04,
-	Author = {Chen Ji and Don V. Helmberger and David J. Wald},
-	Journal = {Earthquake Spectra},
-	Number = {3},
-	Pages = {617-637},
-	Title = {A Teleseismic Study of the 2002 {D}enali Fault, {A}laska, Earthquake and Implications for Rapid Strong-Motion Estimation},
-	Volume = {20},
-	Year = {2004}}
+        Author = {Chen Ji and Don V. Helmberger and David J. Wald},
+        Journal = {Earthquake Spectra},
+        Number = {3},
+        Pages = {617-637},
+        Title = {A Teleseismic Study of the 2002 {D}enali Fault, {A}laska, Earthquake and Implications for Rapid Strong-Motion Estimation},
+        Volume = {20},
+        Year = {2004}}
 
 @article{JiHeWa2000,
-	Author = {C. Ji and D. V. Helmberger and D. J. Wald},
-	Journal = bssa,
-	Pages = {964-976},
-	Title = {Basin structure estimation by waveform modeling: forward and inverse methods},
-	Volume = {90},
-	Year = {2000}}
+        Author = {C. Ji and D. V. Helmberger and D. J. Wald},
+        Journal = bssa,
+        Pages = {964-976},
+        Title = {Basin structure estimation by waveform modeling: forward and inverse methods},
+        Volume = {90},
+        Year = {2000}}
 
 @article{JiTsKoTr05,
-	Author = {Chen Ji and Seiji Tsuboi and Dimitri Komatitsch and Jeroen Tromp},
-	Doi = {10.1785/0120040180},
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-	Volume = {95},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120040180}}
+        Author = {Chen Ji and Seiji Tsuboi and Dimitri Komatitsch and Jeroen Tromp},
+        Doi = {10.1785/0120040180},
+        Journal = bssa,
+        Number = {6},
+        Pages = {2115-2124},
+        Title = {Rayleigh-Wave Multipathing along the West Coast of North America},
+        Volume = {95},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120040180}}
 
 @article{Ji2002a,
-	Author = {C. Ji and D. J. Wald and D. V. Helmberger},
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-	Title = {Source description of the 1999 {Hector Mine, California} earthquake; {Part I: Wavelet} Domain Inversion Theory and Resolution Analysis},
-	Volume = {92},
-	Year = {2002}}
+        Author = {C. Ji and D. J. Wald and D. V. Helmberger},
+        Journal = bssa,
+        Pages = {1192-1207},
+        Title = {Source description of the 1999 {Hector Mine, California} earthquake; {Part I: Wavelet} Domain Inversion Theory and Resolution Analysis},
+        Volume = {92},
+        Year = {2002}}
 
 @article{Jia99,
-	Author = {Zhang Jianfeng},
-	Journal = gji,
-	Pages = {171-182},
-	Title = {Quadrangle-grid velocity-stress finite difference method for poroelastic wave equations},
-	Volume = {139},
-	Year = {1999}}
+        Author = {Zhang Jianfeng},
+        Journal = gji,
+        Pages = {171-182},
+        Title = {Quadrangle-grid velocity-stress finite difference method for poroelastic wave equations},
+        Volume = {139},
+        Year = {1999}}
 
 @article{JiWaBe95,
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-	Pages = {2285-2288},
-	Title = {Evidence for static displacements from the {J}une 9, 1994 deep {B}olivian earthquake},
-	Volume = {22},
-	Year = {1995}}
+        Author = {W. Jiao and T. C. Wallace and S. L. Beck},
+        Journal = grl,
+        Number = {16},
+        Pages = {2285-2288},
+        Title = {Evidence for static displacements from the {J}une 9, 1994 deep {B}olivian earthquake},
+        Volume = {22},
+        Year = {1995}}
 
 @article{JiMcDe88,
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-	Pages = {1045-1055},
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-	Volume = {53},
-	Year = {1988}}
+        Author = {R. S. Jih and K. L. McLaughlin and Z. A Der},
+        Journal = geophysics,
+        Pages = {1045-1055},
+        Title = {Free-boundary conditions of arbitrary polygonal topography in a two-dimensional explicit elastic finite-difference scheme},
+        Volume = {53},
+        Year = {1988}}
 
 @article{JiMaViLa92,
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-	Journal = gji,
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-	Volume = {108},
-	Year = {1992}}
+        Author = {S. Jin and R. Madariaga and J. Virieux and G. Lambar\'e},
+        Journal = gji,
+        Pages = {575-588},
+        Title = {Two dimensional asymptotic iterative elastic inversion},
+        Volume = {108},
+        Year = {1992}}
 
 @article{JoGaDiRo77,
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-	Volume = {S\'erie B, 285},
-	Year = {1977}}
+        Author = {N. Jobert and R. Gaulon and A. Dieulin and G. Roult},
+        Journal = {Comptes rendus Acad. Sci. Paris},
+        Pages = {49-51},
+        Title = {Sur les ondes de tr\`es longue p\'eriode, caract\'eristiques du manteau sup\'erieur},
+        Volume = {S\'erie B, 285},
+        Year = {1977}}
 
 @article{JoHuMaJo92,
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-	Pages = {113-134},
-	Title = {A data parallel finite element method for computational fluid dynamics on the {C}onnection {M}achine system},
-	Volume = {99},
-	Year = {1992}}
+        Author = {Z. Johan and T. J. R. Hughes and K. K. Mathur and S. L. Johnsson},
+        Journal = cmame,
+        Pages = {113-134},
+        Title = {A data parallel finite element method for computational fluid dynamics on the {C}onnection {M}achine system},
+        Volume = {99},
+        Year = {1992}}
 
 @article{JoMaJoHu94,
-	Author = {Z. Johan and K. K. Mathur and S. L. Johnsson and T. J. R. Hughes},
-	Journal = cmame,
-	Pages = {363-387},
-	Title = {An efficient communications strategy for finite element methods on the {C}onnection {Machine} {CM-5} system},
-	Volume = {113},
-	Year = {1994}}
+        Author = {Z. Johan and K. K. Mathur and S. L. Johnsson and T. J. R. Hughes},
+        Journal = cmame,
+        Pages = {363-387},
+        Title = {An efficient communications strategy for finite element methods on the {C}onnection {Machine} {CM-5} system},
+        Volume = {113},
+        Year = {1994}}
 
 @techreport{Jol95,
-	Address = {Universit\'e Pierre et Marie Curie, Paris},
-	Author = {P. Joly},
-	Institution = {Laboratoire d'Analyse Num\'erique},
-	Title = {R\'esolution de l'\'equation de {B}urgers par paquets d'ondelettes},
-	Year = {1995}}
+        Address = {Universit\'e Pierre et Marie Curie, Paris},
+        Author = {P. Joly},
+        Institution = {Laboratoire d'Analyse Num\'erique},
+        Title = {R\'esolution de l'\'equation de {B}urgers par paquets d'ondelettes},
+        Year = {1995}}
 
 @inproceedings{JoKoVi95,
-	Address = {Paris, France},
-	Author = {P. Joly and D. Komatitsch and J. P. Vilotte},
-	Booktitle = {Proceedings of the Enumath'1995 conference},
-	Pages = {12-24},
-	Title = {Solution of the wave equation by a wavelet basis approximation},
-	Year = {1995}}
+        Address = {Paris, France},
+        Author = {P. Joly and D. Komatitsch and J. P. Vilotte},
+        Booktitle = {Proceedings of the Enumath'1995 conference},
+        Pages = {12-24},
+        Title = {Solution of the wave equation by a wavelet basis approximation},
+        Year = {1995}}
 
 @article{JoMaPe94,
-	Author = {P. Joly and Y. Maday and V. Perrier},
-	Journal = cmame,
-	Pages = {9999998-9999999},
-	Title = {Towards a method for solving partial differential equations by using wavelet packet bases},
-	Volume = {116},
-	Year = {1994}}
+        Author = {P. Joly and Y. Maday and V. Perrier},
+        Journal = cmame,
+        Pages = {9999998-9999999},
+        Title = {Towards a method for solving partial differential equations by using wavelet packet bases},
+        Volume = {116},
+        Year = {1994}}
 
 @article{Jordan2,
-	Author = {P. M. Jordan},
-	Journal = {J. Math. Phys.},
-	Pages = {4618-4623},
-	Title = {{C}omment on \textit{{E}xact Constructions of Square-root {H}elmholtz Operator Symbols: The Focusing Quadratic Profile}},
-	Volume = {42},
-	Year = {2000}}
+        Author = {P. M. Jordan},
+        Journal = {J. Math. Phys.},
+        Pages = {4618-4623},
+        Title = {{C}omment on \textit{{E}xact Constructions of Square-root {H}elmholtz Operator Symbols: The Focusing Quadratic Profile}},
+        Volume = {42},
+        Year = {2000}}
 
 @inproceedings{JoJiLaGiCa03,
-	Address = {Nice, France},
-	Author = {Gabriele Jost and Haoquian Jin and Jesus Labarta and Judit Gim\'enez and Jordi Caubet},
-	Booktitle = {Proceedings of the IPDPS'2003 International Parallel and Distributed Processing Symposium},
-	Doi = {10.1109/IPDPS.2003.1213183},
-	Month = apr,
-	Pages = {80.2},
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-	Url = {www.cepba.upc.es/paraver},
-	Year = {2003},
-	Bdsk-Url-1 = {www.cepba.upc.es/paraver},
-	Bdsk-Url-2 = {http://dx.doi.org/10.1109/IPDPS.2003.1213183}}
+        Address = {Nice, France},
+        Author = {Gabriele Jost and Haoquian Jin and Jesus Labarta and Judit Gim\'enez and Jordi Caubet},
+        Booktitle = {Proceedings of the IPDPS'2003 International Parallel and Distributed Processing Symposium},
+        Doi = {10.1109/IPDPS.2003.1213183},
+        Month = apr,
+        Pages = {80.2},
+        Title = {Performance Analysis of Multilevel Parallel Applications on Shared Memory Architectures},
+        Url = {www.cepba.upc.es/paraver},
+        Year = {2003},
+        Bdsk-Url-1 = {www.cepba.upc.es/paraver},
+        Bdsk-Url-2 = {http://dx.doi.org/10.1109/IPDPS.2003.1213183}}
 
 @article{JoCh75,
-	Author = {W. B. Joyner and T. F. Chen},
-	Journal = bssa,
-	Pages = {1315-1336},
-	Title = {Calculation of nonlinear ground response on earthquakes},
-	Volume = {65},
-	Year = {1975}}
+        Author = {W. B. Joyner and T. F. Chen},
+        Journal = bssa,
+        Pages = {1315-1336},
+        Title = {Calculation of nonlinear ground response on earthquakes},
+        Volume = {65},
+        Year = {1975}}
 
 @article{KaDu08,
-	Author = {Martin K\"aser and Michael Dumbser},
-	Doi = {10.1190/1.2870081},
-	Journal = geophysics,
-	Number = {3},
-	Pages = {T23-T35},
-	Title = {A Highly Accurate Discontinuous {G}alerkin Method for Complex Interfaces Between Solids and Moving Fluids},
-	Volume = {73},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2870081}}
+        Author = {Martin K\"aser and Michael Dumbser},
+        Doi = {10.1190/1.2870081},
+        Journal = geophysics,
+        Number = {3},
+        Pages = {T23-T35},
+        Title = {A Highly Accurate Discontinuous {G}alerkin Method for Complex Interfaces Between Solids and Moving Fluids},
+        Volume = {73},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2870081}}
 
 @article{KaDu06,
-	Author = {M. K\"aser and M. Dumbser},
-	Doi = {10.1111/j.1365-246X.2006.03051.x},
-	Journal = gji,
-	Number = {2},
-	Pages = {855-877},
-	Title = {An arbitrary high-order discontinuous {G}alerkin method for elastic waves on unstructured meshes-{I}. {T}he two-dimensional isotropic case with external source terms},
-	Volume = {166},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03051.x}}
+        Author = {M. K\"aser and M. Dumbser},
+        Doi = {10.1111/j.1365-246X.2006.03051.x},
+        Journal = gji,
+        Number = {2},
+        Pages = {855-877},
+        Title = {An arbitrary high-order discontinuous {G}alerkin method for elastic waves on unstructured meshes-{I}. {T}he two-dimensional isotropic case with external source terms},
+        Volume = {166},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03051.x}}
 
 @article{KaBi93,
-	Author = {L. F. Kallivokas and J. Bielak},
-	Journal = jasa,
-	Number = {6},
-	Pages = {3480-3492},
-	Title = {Time-domain analysis of transient structural acoustics problems based on the finite element method and a novel boundary element},
-	Volume = {94},
-	Year = {1993}}
+        Author = {L. F. Kallivokas and J. Bielak},
+        Journal = jasa,
+        Number = {6},
+        Pages = {3480-3492},
+        Title = {Time-domain analysis of transient structural acoustics problems based on the finite element method and a novel boundary element},
+        Volume = {94},
+        Year = {1993}}
 
 @article{KaSgKi95,
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-	Journal = ijnme,
-	Pages = {755-773},
-	Title = {Cost-effective staggered schemes for the numerical simulation of wave propagation},
-	Volume = {38},
-	Year = {1995}}
+        Author = {A. Kamel and P. Sguazzero and M. Kindelan},
+        Journal = ijnme,
+        Pages = {755-773},
+        Title = {Cost-effective staggered schemes for the numerical simulation of wave propagation},
+        Volume = {38},
+        Year = {1995}}
 
 @article{KaMaOrWe03,
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-	Volume = {49},
-	Year = {2003}}
+        Author = {C. Kane and J. E. Marsden and M. Ortiz and M. West},
+        Journal = ijnme,
+        Number = {10},
+        Pages = {1295-1325},
+        Title = {Variational integrators and the {N}ewmark algorithm for conservative and dissipative mechanical systems},
+        Volume = {49},
+        Year = {2003}}
 
 @article{KaBa04,
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-	Doi = {10.1785/0120030080},
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-	Volume = {94},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120030080}}
+        Author = {Tae-Seob Kang and Chang-Eob Baag},
+        Doi = {10.1785/0120030080},
+        Journal = bssa,
+        Number = {1},
+        Pages = {207-219},
+        Title = {Finite-Difference Seismic Simulation Combining Discontinuous Grids with Locally Variable Timesteps},
+        Volume = {94},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120030080}}
 
 @article{KapKuz99,
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-	Year = {1999}}
+        Author = {A. V. Kaptsov and S. V. Kuznetsov},
+        Journal = {Compte Rendu de l'Academie des Sciences de Paris},
+        Number = {IIb},
+        Pages = {1123-1128},
+        Title = {Spectral properties of {C}hristoffel equation for {R}ayleigh waves},
+        Volume = {327},
+        Year = {1999}}
 
 @article{karato1993,
-	Author = {S. Karato},
-	Journal = grl,
-	Pages = {1623-1626},
-	Title = {Importance of anelasticity in the interpretation of seismic tomography},
-	Volume = {20},
-	Year = {1993}}
+        Author = {S. Karato},
+        Journal = grl,
+        Pages = {1623-1626},
+        Title = {Importance of anelasticity in the interpretation of seismic tomography},
+        Volume = {20},
+        Year = {1993}}
 
 @article{KaKu98a,
-	Author = {George Karypis and Vipin Kumar},
-	Journal = {SIAM Journal on Scientific Computing},
-	Number = {1},
-	Pages = {359-392},
-	Title = {A Fast and High-Quality Multilevel Scheme for Partitioning Irregular Graphs},
-	Volume = {20},
-	Year = {1998}}
+        Author = {George Karypis and Vipin Kumar},
+        Journal = {SIAM Journal on Scientific Computing},
+        Number = {1},
+        Pages = {359-392},
+        Title = {A Fast and High-Quality Multilevel Scheme for Partitioning Irregular Graphs},
+        Volume = {20},
+        Year = {1998}}
 
 @article{KaKu98b,
-	Author = {George Karypis and Vipin Kumar},
-	Journal = {Journal of Parallel and Distributed Computing},
-	Number = {1},
-	Pages = {96-129},
-	Title = {Multilevel {$k$}-way Partitioning Scheme for Irregular Graphs},
-	Volume = {48},
-	Year = {1998}}
+        Author = {George Karypis and Vipin Kumar},
+        Journal = {Journal of Parallel and Distributed Computing},
+        Number = {1},
+        Pages = {96-129},
+        Title = {Multilevel {$k$}-way Partitioning Scheme for Irregular Graphs},
+        Volume = {48},
+        Year = {1998}}
 
 @article{KaKu98c,
-	Author = {George Karypis and Vipin Kumar},
-	Journal = {Journal of Parallel and Distributed Computing},
-	Pages = {71-85},
-	Title = {A Parallel Algorithm for Multilevel Graph Partitioning and Sparse Matrix Ordering},
-	Volume = {48},
-	Year = {1998}}
+        Author = {George Karypis and Vipin Kumar},
+        Journal = {Journal of Parallel and Distributed Computing},
+        Pages = {71-85},
+        Title = {A Parallel Algorithm for Multilevel Graph Partitioning and Sparse Matrix Ordering},
+        Volume = {48},
+        Year = {1998}}
 
 @article{KaWiTeSn87,
-	Author = {Kass, M. and Witkin, A.P. and Terzopoulos, D. and Snakes},
-	Journal = {Int. J. Comput. Vis.},
-	Number = {4},
-	Pages = {133-144},
-	Title = {Active contour models},
-	Volume = {1},
-	Year = {1987}}
+        Author = {Kass, M. and Witkin, A.P. and Terzopoulos, D. and Snakes},
+        Journal = {Int. J. Comput. Vis.},
+        Number = {4},
+        Pages = {133-144},
+        Title = {Active contour models},
+        Volume = {1},
+        Year = {1987}}
 
 @inproceedings{KaAn02,
-	Address = {Munich, Germany},
-	Author = {Theodoros K. Katsibas and Christos S. Antonopoulos},
-	Booktitle = {Proceedings of the 2002 IEEE ultrasonics symposium},
-	Month = {October},
-	Organization = {IEEE},
-	Pages = {551-554},
-	Title = {An efficient {PML} absorbing medium in {FDTD} simulations of acoustic scattering in lossy media},
-	Volume = {1},
-	Year = {2002}}
+        Address = {Munich, Germany},
+        Author = {Theodoros K. Katsibas and Christos S. Antonopoulos},
+        Booktitle = {Proceedings of the 2002 IEEE ultrasonics symposium},
+        Month = {October},
+        Organization = {IEEE},
+        Pages = {551-554},
+        Title = {An efficient {PML} absorbing medium in {FDTD} simulations of acoustic scattering in lossy media},
+        Volume = {1},
+        Year = {2002}}
 
 @article{Kau92,
-	Author = {E. Kausel},
-	Journal = bssa,
-	Pages = {898-913},
-	Title = {Physical interpretation and stability of paraxial boundary conditions},
-	Volume = {82},
-	Year = {1992}}
+        Author = {E. Kausel},
+        Journal = bssa,
+        Pages = {898-913},
+        Title = {Physical interpretation and stability of paraxial boundary conditions},
+        Volume = {82},
+        Year = {1992}}
 
 @article{KaTaGe06,
-	Author = {K. Kawai and N. Takeuchi and R. J. Geller},
-	Doi = {10.1111/j.1365-246X.2005.02829.x},
-	Journal = gji,
-	Number = {2},
-	Pages = {411-424},
-	Title = {Complete synthetic seismograms up to 2~{H}z for transversely-isotropic spherically-symmetric media},
-	Volume = {164},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2005.02829.x}}
+        Author = {K. Kawai and N. Takeuchi and R. J. Geller},
+        Doi = {10.1111/j.1365-246X.2005.02829.x},
+        Journal = gji,
+        Number = {2},
+        Pages = {411-424},
+        Title = {Complete synthetic seismograms up to 2~{H}z for transversely-isotropic spherically-symmetric media},
+        Volume = {164},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2005.02829.x}}
 
 @article{Kaw88,
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-	Journal = bssa,
-	Pages = {1415-1437},
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-	Volume = {78},
-	Year = {1988}}
+        Author = {H. Kawase},
+        Journal = bssa,
+        Pages = {1415-1437},
+        Title = {Time-domain response of a semi-circular canyon for incident {{\it SV}}, {{\it P}} and {R}ayleigh waves calculated by the discrete wavenumber boundary element method},
+        Volume = {78},
+        Year = {1988}}
 
 @article{KaAk90,
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-	Volume = {80},
-	Year = {1990}}
+        Author = {H. Kawase and K. Aki},
+        Journal = bssa,
+        Pages = {1-22},
+        Title = {Topography effect at the critical {{\it SV}} wave incidence: possible explanation of damage pattern by the {W}hittier {N}arrows, {C}alifornia, earthquake of 1 {O}ctober 1987},
+        Volume = {80},
+        Year = {1990}}
 
 @article{KaAk89,
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-	Pages = {1361-1382},
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-	Volume = {79},
-	Year = {1989}}
+        Author = {H. Kawase and K. Aki},
+        Journal = bssa,
+        Pages = {1361-1382},
+        Title = {A study on the response of a soft sedimentary basin for incident {{\it S}}, {{\it P}} and {R}ayleigh waves, with special reference to the long duration observed in {M}exico {C}ity},
+        Volume = {79},
+        Year = {1989}}
 
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-	Pages = {300-307},
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-	Volume = {64},
-	Year = {1999}}
+        Author = {I. Kay and E. S. Krebes},
+        Journal = geophysics,
+        Pages = {300-307},
+        Title = {Applying finite element analysis to the memory variable formulation of wave propagation in anelastic media},
+        Volume = {64},
+        Year = {1999}}
 
 @article{KeWaTrAl76,
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-	Journal = geophysics,
-	Pages = {2-27},
-	Title = {Synthetic seismograms: a Finite Difference approach},
-	Volume = {41},
-	Year = {1976}}
+        Author = {K. R. Kelly and R. W. Ward and S. Treitel and R. M. Alford},
+        Journal = geophysics,
+        Pages = {2-27},
+        Title = {Synthetic seismograms: a Finite Difference approach},
+        Volume = {41},
+        Year = {1976}}
 
 @article{KeSi96,
-	Author = {J. M. Kendall and P. G. Silver},
-	Journal = {Nature},
-	Pages = {409},
-	Title = {Constraints from seismic anisotropy on the nature of the lowermost mantle},
-	Volume = {381},
-	Year = {1996}}
+        Author = {J. M. Kendall and P. G. Silver},
+        Journal = {Nature},
+        Pages = {409},
+        Title = {Constraints from seismic anisotropy on the nature of the lowermost mantle},
+        Volume = {381},
+        Year = {1996}}
 
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-	Author = {B. L. N. Kennett},
-	Publisher = {Cambridge University Press},
-	Title = {Seismic wave propagation in stratified media},
-	Year = {1983}}
+        Address = {Cambridge},
+        Author = {B. L. N. Kennett},
+        Publisher = {Cambridge University Press},
+        Title = {Seismic wave propagation in stratified media},
+        Year = {1983}}
 
 @article{KeEn91,
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-	Volume = {105},
-	Year = {1991}}
+        Author = {B. L. N. Kennett and E. R. Engdahl},
+        Journal = gji,
+        Pages = {429-465},
+        Title = {Traveltimes for global earthquake location and phase identification},
+        Volume = {105},
+        Year = {1991}}
 
 @article{KeEnBu95,
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-	Journal = gji,
-	Pages = {108-124},
-	Title = {Constraints on seismic velocities in the {E}arth from traveltimes},
-	Volume = {122},
-	Year = {1995}}
+        Author = {B. L. N. Kennett and E. R. Engdahl and R. Buland},
+        Journal = gji,
+        Pages = {108-124},
+        Title = {Constraints on seismic velocities in the {E}arth from traveltimes},
+        Volume = {122},
+        Year = {1995}}
 
 @unpublished{Khronos:2008:TOS,
-	Author = {{Khronos OpenCL Working Group}},
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-	Month = dec,
-	Note = {\url{http://www.khronos.org/opencl}},
-	Title = {The {OpenCL} {S}pecification, Version 1.0},
-	Year = {2008}}
+        Author = {{Khronos OpenCL Working Group}},
+        Editor = {Aaftab Munshi},
+        Month = dec,
+        Note = {\url{http://www.khronos.org/opencl}},
+        Title = {The {OpenCL} {S}pecification, Version 1.0},
+        Year = {2008}}
 
 @article{Khu85,
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-	Journal = gp,
-	Pages = {1103-1137},
-	Title = {A numerical study of {L}amb's problem},
-	Volume = {33},
-	Year = {1985}}
+        Author = {M. J. Khun},
+        Journal = gp,
+        Pages = {1103-1137},
+        Title = {A numerical study of {L}amb's problem},
+        Volume = {33},
+        Year = {1985}}
 
 @article{KiFe76,
-	Author = {L. Kiefling and G. C. Feng},
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-	Number = {2},
-	Pages = {199-203},
-	Title = {Fluid-structure finite-element vibrational analysis},
-	Volume = {14},
-	Year = {1976}}
+        Author = {L. Kiefling and G. C. Feng},
+        Journal = {AIAA J.},
+        Number = {2},
+        Pages = {199-203},
+        Title = {Fluid-structure finite-element vibrational analysis},
+        Volume = {14},
+        Year = {1976}}
 
 @misc{KiYa2002,
-	Author = {M. Kikuchi and Y. Yamanaka},
-	Note = {ERI, University of Tokyo, Japan, wwweic.eri.u-tokyo.ac.jp/EIC/EIC\_News/021103AL-e.html},
-	Title = {Source rupture process of the central {A}laska earthquake of {N}ovember 3, 2002, inferred from teleseismic body waves},
-	Year = {2002}}
+        Author = {M. Kikuchi and Y. Yamanaka},
+        Note = {ERI, University of Tokyo, Japan, wwweic.eri.u-tokyo.ac.jp/EIC/EIC\_News/021103AL-e.html},
+        Title = {Source rupture process of the central {A}laska earthquake of {N}ovember 3, 2002, inferred from teleseismic body waves},
+        Year = {2002}}
 
 @article{KiPa93,
-	Author = {J. Kim and A. Papageorgiou},
-	Journal = {J. Eng. Mech. ASCE},
-	Pages = {603-624},
-	Title = {Discrete wavenumber boundary element method for 3{D} scattering problems},
-	Volume = {119},
-	Year = {1993}}
+        Author = {J. Kim and A. Papageorgiou},
+        Journal = {J. Eng. Mech. ASCE},
+        Pages = {603-624},
+        Title = {Discrete wavenumber boundary element method for 3{D} scattering problems},
+        Volume = {119},
+        Year = {1993}}
 
 @inproceedings{Kim08,
-	Author = {Theodore Kim},
-	Booktitle = {I3D '08: Proceedings of the 2008 symposium on Interactive 3{D} graphics and games},
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-	Pages = {99--106},
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-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1342250.1342265}}
+        Author = {Theodore Kim},
+        Booktitle = {I3D '08: Proceedings of the 2008 symposium on Interactive 3{D} graphics and games},
+        Doi = {10.1145/1342250.1342265},
+        Pages = {99--106},
+        Title = {Hardware-Aware Analysis and Optimization of `{S}table {F}luids'},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1342250.1342265}}
 
 @article{KiSeSg89,
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-	Pages = {3-30},
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-	Volume = {37},
-	Year = {1989}}
+        Author = {M. Kindelan and G. Seriani and P. Sguazzero},
+        Journal = gp,
+        Pages = {3-30},
+        Title = {Elastic modeling and its application to amplitude versus angle interpretation},
+        Volume = {37},
+        Year = {1989}}
 
 @inproceedings{KiEnShShArStPhHw09,
-	Address = {New Orleans, Louisiana, USA},
-	Author = {Volodymyr V. Kindratenko and Jeremy J. Enos and Guochun Shi and Michael T. Showerman and Galen W. Arnold and John E. Stone and James C. Phillips and Wen{-}mei Hwu},
-	Booktitle = {Proceedings on the IEEE Cluster'2009 Workshop on Parallel Programming on Accelerator Clusters (PPAC'09)},
-	Month = aug,
-	Pages = {1-8},
-	Title = {{GPU} Clusters for High-Performance Computing},
-	Year = {2009}}
+        Address = {New Orleans, Louisiana, USA},
+        Author = {Volodymyr V. Kindratenko and Jeremy J. Enos and Guochun Shi and Michael T. Showerman and Galen W. Arnold and John E. Stone and James C. Phillips and Wen{-}mei Hwu},
+        Booktitle = {Proceedings on the IEEE Cluster'2009 Workshop on Parallel Programming on Accelerator Clusters (PPAC'09)},
+        Month = aug,
+        Pages = {1-8},
+        Title = {{GPU} Clusters for High-Performance Computing},
+        Year = {2009}}
 
 @book{KiHw10,
-	Address = {Boston, Massachusetts, USA},
-	Author = {Kirk, David B. and Hwu, Wen-mei W.},
-	Publisher = {Morgan Kaufmann},
-	Title = {Programming Massively Parallel Processors: A Hands-on Approach},
-	Year = {2010}}
+        Address = {Boston, Massachusetts, USA},
+        Author = {Kirk, David B. and Hwu, Wen-mei W.},
+        Publisher = {Morgan Kaufmann},
+        Title = {Programming Massively Parallel Processors: A Hands-on Approach},
+        Year = {2010}}
 
 @inproceedings{kiyashchenkoplessix2005,
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-	Note = {75th international meeting of the SEG},
-	Title = {True amplitude multi-one-way migration: comparison of different imaging principles},
-	Year = {2005}}
+        Author = {D. A. Kiyashchenko and R. E. Plessix},
+        Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
+        Note = {75th international meeting of the SEG},
+        Title = {True amplitude multi-one-way migration: comparison of different imaging principles},
+        Year = {2005}}
 
 @article{KlWaBrHe09,
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-	Volume = {228},
-	Year = {2009},
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+        Author = {A. Kl\"ockner and T. Warburton and J. Bridge and J. S. Hesthaven},
+        Doi = {10.1016/j.jcp.2009.06.041},
+        Journal = jcp,
+        Pages = {7863-7882},
+        Title = {Nodal discontinuous {G}alerkin methods on graphics processors},
+        Volume = {228},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2009.06.041}}
 
 @techreport{KlVi02,
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-	Title = {Perfectly matched layers in the spectral element method},
-	Year = {2002}}
+        Author = {E. M. C. Klien and J. P. Vilotte},
+        Institution = {Lithos Scientific Report},
+        Note = {Unpublished},
+        Number = {4},
+        Title = {Perfectly matched layers in the spectral element method},
+        Year = {2002}}
 
 @article{Kli96,
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+        Author = {L. Klimes},
+        Journal = pageoph,
+        Number = {1},
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+        Title = {Accuracy of elastic finite differences in smooth media},
+        Volume = {148},
+        Year = {1996}}
 
 @article{Kno52,
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-	Title = {On {R}ayleigh wave velocities},
-	Volume = {42},
-	Year = {1952}}
+        Author = {L. Knopoff},
+        Journal = {Bulletin of the Seismological Society of America},
+        Pages = {307-308},
+        Title = {On {R}ayleigh wave velocities},
+        Volume = {42},
+        Year = {1952}}
 
 @article{Knu99,
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-	Year = {1999}}
+        Author = {Patrick M. Knupp},
+        Journal = ijnme,
+        Number = {1},
+        Pages = {37-45},
+        Title = {Applications of mesh smoothing: copy, morph, and sweep on unstructured quadrilateral meshes},
+        Volume = {45},
+        Year = {1999}}
 
 @incollection{Kob84,
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-	Year = {1984}}
+        Address = {New York},
+        Author = {S. Kobayashi},
+        Booktitle = {Boundary element research},
+        Editor = {C. A. Brebbia},
+        Publisher = {Springer-Verlag},
+        Title = {Fundamentals of boundary integral equations methods in elastodynamics},
+        Volume = {2},
+        Year = {1984}}
 
 @book{Kob87,
-	Address = {Amsterdam, The Netherlands},
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-	Publisher = {North-Holland},
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-	Year = {1987}}
+        Address = {Amsterdam, The Netherlands},
+        Author = {S. Kobayashi},
+        Publisher = {North-Holland},
+        Title = {Elastodynamics in boundary element methods in mechanics},
+        Year = {1987}}
 
 @article{KohnNir,
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+        Author = {J. J. Kohn and L. Nirenberg},
+        Journal = {Comm. Pure Appl. Math.},
+        Pages = {269-305},
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+        Volume = {18},
+        Year = {1965}}
 
 @article{KolMaz93,
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-	Year = {1993}}
+        Author = {Al. A. Kolomenskii and A. A. Maznev},
+        Journal = {Physical Review B},
+        Number = {19},
+        Pages = {14502-14512},
+        Title = {Phonon-focusing effect with laser-generated ultrasonic surface waves},
+        Volume = {48},
+        Year = {1993}}
 
 @article{Kom11,
-	Author = {Dimitri Komatitsch},
-	Doi = {10.1016/j.crme.2010.11.007},
-	Journal = {Comptes Rendus de l'Acad\'emie des Sciences - M\'ecanique},
-	Note = {in press.},
-	Title = {Fluid-solid coupling on a cluster of {GPU} graphics cards for seismic wave propagation},
-	Year = {2011},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.crme.2010.11.007}}
+        Author = {Dimitri Komatitsch},
+        Doi = {10.1016/j.crme.2010.11.007},
+        Journal = {Comptes Rendus de l'Acad\'emie des Sciences - M\'ecanique},
+        Note = {in press.},
+        Title = {Fluid-solid coupling on a cluster of {GPU} graphics cards for seismic wave propagation},
+        Year = {2011},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.crme.2010.11.007}}
 
 @article{Kom08,
-	Author = {Dimitri Komatitsch},
-	Journal = jca,
-	Number = {3},
-	Pages = {465-467},
-	Title = {Comment on ``{M}ultidomain {P}seudospectral {T}ime-{D}omain ({PSTD}) method for acoustic waves in lossy media'' by {Y. Q. Zeng, Q. H. Liu and G. Zhao, Journal of Computational Acoustics, vol. 12, no. 3, pp 277-299 (2004)}},
-	Volume = {16},
-	Year = {2008}}
+        Author = {Dimitri Komatitsch},
+        Journal = jca,
+        Number = {3},
+        Pages = {465-467},
+        Title = {Comment on ``{M}ultidomain {P}seudospectral {T}ime-{D}omain ({PSTD}) method for acoustic waves in lossy media'' by {Y. Q. Zeng, Q. H. Liu and G. Zhao, Journal of Computational Acoustics, vol. 12, no. 3, pp 277-299 (2004)}},
+        Volume = {16},
+        Year = {2008}}
 
 @phdthesis{Kom03,
-	Address = {Pau, France},
-	Author = {Dimitri Komatitsch},
-	Month = {September},
-	Note = {Habilitation Thesis (Habilitation \`a {D}iriger des {R}echerches, {H.D.R.}), 114 pages},
-	School = {Universit\'e de Pau et des Pays de l'Adour},
-	Title = {Advanced numerical modeling in geophysics ({M}od\'elisation num\'erique avanc\'ee pour la g\'eophysique)},
-	Year = {2003}}
+        Address = {Pau, France},
+        Author = {Dimitri Komatitsch},
+        Month = {September},
+        Note = {Habilitation Thesis (Habilitation \`a {D}iriger des {R}echerches, {H.D.R.}), 114 pages},
+        School = {Universit\'e de Pau et des Pays de l'Adour},
+        Title = {Advanced numerical modeling in geophysics ({M}od\'elisation num\'erique avanc\'ee pour la g\'eophysique)},
+        Year = {2003}}
 
 @phdthesis{Kom97,
-	Address = {Paris, France},
-	Author = {Dimitri Komatitsch},
-	Month = {May},
-	Note = {187 pages},
-	School = {Institut de Physique du Globe},
-	Title = {M\'ethodes spectrales et \'el\'ements spectraux pour l'\'equation de l'\'elastodynamique 2{D} et 3{D} en milieu h\'et\'erog\`ene ({S}pectral and spectral-element methods for the 2{D} and 3{D} elastodynamics equations in heterogeneous media)},
-	Year = {1997}}
+        Address = {Paris, France},
+        Author = {Dimitri Komatitsch},
+        Month = {May},
+        Note = {187 pages},
+        School = {Institut de Physique du Globe},
+        Title = {M\'ethodes spectrales et \'el\'ements spectraux pour l'\'equation de l'\'elastodynamique 2{D} et 3{D} en milieu h\'et\'erog\`ene ({S}pectral and spectral-element methods for the 2{D} and 3{D} elastodynamics equations in heterogeneous media)},
+        Year = {1997}}
 
 @article{KoBaTr00,
-	Author = {D. Komatitsch and C. Barnes and J. Tromp},
-	Doi = {10.1190/1.1444758},
-	Journal = geophysics,
-	Number = {2},
-	Pages = {623-631},
-	Title = {Wave propagation near a fluid-solid interface: a spectral element approach},
-	Volume = {65},
-	Year = {2000},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1444758}}
+        Author = {D. Komatitsch and C. Barnes and J. Tromp},
+        Doi = {10.1190/1.1444758},
+        Journal = geophysics,
+        Number = {2},
+        Pages = {623-631},
+        Title = {Wave propagation near a fluid-solid interface: a spectral element approach},
+        Volume = {65},
+        Year = {2000},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1444758}}
 
 @article{KoBaTr00b,
-	Author = {D. Komatitsch and C. Barnes and J. Tromp},
-	Doi = {10.1190/1.1444816},
-	Journal = geophysics,
-	Number = {4},
-	Pages = {1251-1260},
-	Title = {Simulation of anisotropic wave propagation based upon a spectral element method},
-	Volume = {65},
-	Year = {2000},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1444816}}
+        Author = {D. Komatitsch and C. Barnes and J. Tromp},
+        Doi = {10.1190/1.1444816},
+        Journal = geophysics,
+        Number = {4},
+        Pages = {1251-1260},
+        Title = {Simulation of anisotropic wave propagation based upon a spectral element method},
+        Volume = {65},
+        Year = {2000},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1444816}}
 
 @article{KoCoMo96,
-	Author = {D. Komatitsch and F. Coutel and P. Mora},
-	Doi = {10.1111/j.1365-246X.1996.tb01541.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {156-168},
-	Title = {Tensorial formulation of the wave equation for modelling curved interfaces},
-	Volume = {127},
-	Year = {1996},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.1996.tb01541.x}}
+        Author = {D. Komatitsch and F. Coutel and P. Mora},
+        Doi = {10.1111/j.1365-246X.1996.tb01541.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {156-168},
+        Title = {Tensorial formulation of the wave equation for modelling curved interfaces},
+        Volume = {127},
+        Year = {1996},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.1996.tb01541.x}}
 
 @article{KoErGoMi10,
-	Author = {Dimitri Komatitsch and Gordon Erlebacher and Dominik G\"oddeke and David Mich\'ea},
-	Doi = {10.1016/j.jcp.2010.06.024},
-	Journal = jcp,
-	Number = {20},
-	Pages = {7692-7714},
-	Title = {High-order finite-element seismic wave propagation modeling with {MPI} on a large {GPU} cluster},
-	Volume = {229},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2010.06.024}}
+        Author = {Dimitri Komatitsch and Gordon Erlebacher and Dominik G\"oddeke and David Mich\'ea},
+        Doi = {10.1016/j.jcp.2010.06.024},
+        Journal = jcp,
+        Number = {20},
+        Pages = {7692-7714},
+        Title = {High-order finite-element seismic wave propagation modeling with {MPI} on a large {GPU} cluster},
+        Volume = {229},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2010.06.024}}
 
 @article{KoGoErMi10,
-	Author = {Dimitri Komatitsch and Dominik G\"oddeke and Gordon Erlebacher and David Mich\'ea},
-	Doi = {10.1007/s00450-010-0109-1},
-	Journal = {Computer Science Research and Development},
-	Number = {1-2},
-	Pages = {75-82},
-	Title = {Modeling the propagation of elastic waves using spectral elements on a cluster of 192 {GPU}s},
-	Volume = {25},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1007/s00450-010-0109-1}}
+        Author = {Dimitri Komatitsch and Dominik G\"oddeke and Gordon Erlebacher and David Mich\'ea},
+        Doi = {10.1007/s00450-010-0109-1},
+        Journal = {Computer Science Research and Development},
+        Number = {1-2},
+        Pages = {75-82},
+        Title = {Modeling the propagation of elastic waves using spectral elements on a cluster of 192 {GPU}s},
+        Volume = {25},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/s00450-010-0109-1}}
 
 @article{KoLaMi08a,
-	Author = {Dimitri Komatitsch and Jes\'us Labarta and David Mich\'ea},
-	Journal = lncs,
-	Pages = {364-377},
-	Title = {A simulation of seismic wave propagation at high resolution in the inner core of the {E}arth on 2166 processors of {M}are{N}ostrum},
-	Volume = {5336},
-	Year = {2008}}
+        Author = {Dimitri Komatitsch and Jes\'us Labarta and David Mich\'ea},
+        Journal = lncs,
+        Pages = {364-377},
+        Title = {A simulation of seismic wave propagation at high resolution in the inner core of the {E}arth on 2166 processors of {M}are{N}ostrum},
+        Volume = {5336},
+        Year = {2008}}
 
 @inproceedings{KoLaMi08b,
-	Address = {Venice, Italy},
-	Author = {Dimitri Komatitsch and Jes\'us Labarta and David Mich\'ea},
-	Booktitle = {Proceedings of the 8th. World Congress on Computational Mechanics (WCCM8) and the 5th. European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008)},
-	Note = {30 June - 4 July 2008},
-	Title = {A 21 billion degrees of freedom, 2.5 terabyte simulation of seismic wave propagation in the inner core of the {E}arth on {M}are{N}ostrum},
-	Year = {2008}}
+        Address = {Venice, Italy},
+        Author = {Dimitri Komatitsch and Jes\'us Labarta and David Mich\'ea},
+        Booktitle = {Proceedings of the 8th. World Congress on Computational Mechanics (WCCM8) and the 5th. European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008)},
+        Note = {30 June - 4 July 2008},
+        Title = {A 21 billion degrees of freedom, 2.5 terabyte simulation of seismic wave propagation in the inner core of the {E}arth on {M}are{N}ostrum},
+        Year = {2008}}
 
 @article{KoLiTrSuStSh04,
-	Author = {Dimitri Komatitsch and Qinya Liu and Jeroen Tromp and Peter S\"{u}ss and Christiane Stidham and John H. Shaw},
-	Doi = {10.1785/0120030077},
-	Journal = bssa,
-	Number = {1},
-	Pages = {187-206},
-	Title = {Simulations of Ground Motion in the {L}os {A}ngeles Basin based upon the Spectral-Element Method},
-	Volume = {94},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120030077}}
+        Author = {Dimitri Komatitsch and Qinya Liu and Jeroen Tromp and Peter S\"{u}ss and Christiane Stidham and John H. Shaw},
+        Doi = {10.1785/0120030077},
+        Journal = bssa,
+        Number = {1},
+        Pages = {187-206},
+        Title = {Simulations of Ground Motion in the {L}os {A}ngeles Basin based upon the Spectral-Element Method},
+        Volume = {94},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120030077}}
 
 @article{KoMa07,
-	Author = {Dimitri Komatitsch and Roland Martin},
-	Doi = {10.1190/1.2757586},
-	Journal = geophysics,
-	Number = {5},
-	Pages = {SM155-SM167},
-	Title = {An unsplit convolutional {P}erfectly {M}atched {L}ayer improved at grazing incidence for the seismic wave equation},
-	Volume = {72},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2757586}}
+        Author = {Dimitri Komatitsch and Roland Martin},
+        Doi = {10.1190/1.2757586},
+        Journal = geophysics,
+        Number = {5},
+        Pages = {SM155-SM167},
+        Title = {An unsplit convolutional {P}erfectly {M}atched {L}ayer improved at grazing incidence for the seismic wave equation},
+        Volume = {72},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2757586}}
 
 @article{KoMaTrTaWi01,
-	Author = {D. Komatitsch and R. Martin and J. Tromp and M. A. Taylor and B. A. Wingate},
-	Doi = {10.1142/S0218396X01000796},
-	Journal = jca,
-	Number = {2},
-	Pages = {703-718},
-	Title = {Wave propagation in 2-{D} elastic media using a spectral element method with triangles and quadrangles},
-	Volume = {9},
-	Year = {2001},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1142/S0218396X01000796}}
+        Author = {D. Komatitsch and R. Martin and J. Tromp and M. A. Taylor and B. A. Wingate},
+        Doi = {10.1142/S0218396X01000796},
+        Journal = jca,
+        Number = {2},
+        Pages = {703-718},
+        Title = {Wave propagation in 2-{D} elastic media using a spectral element method with triangles and quadrangles},
+        Volume = {9},
+        Year = {2001},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1142/S0218396X01000796}}
 
 @article{KoMiEr09,
-	Author = {Dimitri Komatitsch and David Mich\'ea and Gordon Erlebacher},
-	Doi = {10.1016/j.jpdc.2009.01.006},
-	Journal = jpdc,
-	Number = {5},
-	Pages = {451-460},
-	Title = {Porting a high-order finite-element earthquake modeling application to {NVIDIA} graphics cards using {CUDA}},
-	Volume = {69},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jpdc.2009.01.006}}
+        Author = {Dimitri Komatitsch and David Mich\'ea and Gordon Erlebacher},
+        Doi = {10.1016/j.jpdc.2009.01.006},
+        Journal = jpdc,
+        Number = {5},
+        Pages = {451-460},
+        Title = {Porting a high-order finite-element earthquake modeling application to {NVIDIA} graphics cards using {CUDA}},
+        Volume = {69},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jpdc.2009.01.006}}
 
 @article{KoRiTr02,
-	Author = {D. Komatitsch and J. Ritsema and J. Tromp},
-	Doi = {10.1126/science.1076024},
-	Journal = {Science},
-	Number = {5599},
-	Pages = {1737-1742},
-	Title = {The Spectral-Element Method, {B}eowulf Computing, and Global Seismology},
-	Volume = {298},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1126/science.1076024}}
+        Author = {D. Komatitsch and J. Ritsema and J. Tromp},
+        Doi = {10.1126/science.1076024},
+        Journal = {Science},
+        Number = {5599},
+        Pages = {1737-1742},
+        Title = {The Spectral-Element Method, {B}eowulf Computing, and Global Seismology},
+        Volume = {298},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1126/science.1076024}}
 
 @incollection{KoTr02c,
-	Address = {Barcelona, Espa{\~{n}}a},
-	Author = {D. Komatitsch and J. Tromp},
-	Booktitle = {M\'etodos num\'ericos en ingenieria y ciencias aplicadas},
-	Editor = {{E. O{\~{n}}ate et al.}},
-	Pages = {676-686},
-	Publisher = {CIMNE},
-	Title = {Propagaci{\'o}n de ondas s{\'\i}smicas en modelos de tierra global 3-{D} usando elementos espectrales},
-	Year = {2002}}
+        Address = {Barcelona, Espa{\~{n}}a},
+        Author = {D. Komatitsch and J. Tromp},
+        Booktitle = {M\'etodos num\'ericos en ingenieria y ciencias aplicadas},
+        Editor = {{E. O{\~{n}}ate et al.}},
+        Pages = {676-686},
+        Publisher = {CIMNE},
+        Title = {Propagaci{\'o}n de ondas s{\'\i}smicas en modelos de tierra global 3-{D} usando elementos espectrales},
+        Year = {2002}}
 
 @article{KoTr03,
-	Author = {D. Komatitsch and J. Tromp},
-	Doi = {10.1046/j.1365-246X.2003.01950.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {146-153},
-	Title = {A {P}erfectly {M}atched {L}ayer absorbing boundary condition for the second-order seismic wave equation},
-	Volume = {154},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.2003.01950.x}}
+        Author = {D. Komatitsch and J. Tromp},
+        Doi = {10.1046/j.1365-246X.2003.01950.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {146-153},
+        Title = {A {P}erfectly {M}atched {L}ayer absorbing boundary condition for the second-order seismic wave equation},
+        Volume = {154},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.2003.01950.x}}
 
 @article{KoTr02a,
-	Author = {D. Komatitsch and J. Tromp},
-	Doi = {10.1046/j.1365-246X.2002.01653.x},
-	Journal = gji,
-	Number = {2},
-	Pages = {390-412},
-	Title = {Spectral-Element Simulations of Global Seismic Wave Propagation{-I. V}alidation},
-	Volume = {149},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.2002.01653.x}}
+        Author = {D. Komatitsch and J. Tromp},
+        Doi = {10.1046/j.1365-246X.2002.01653.x},
+        Journal = gji,
+        Number = {2},
+        Pages = {390-412},
+        Title = {Spectral-Element Simulations of Global Seismic Wave Propagation{-I. V}alidation},
+        Volume = {149},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.2002.01653.x}}
 
 @article{KoTr02b,
-	Author = {D. Komatitsch and J. Tromp},
-	Doi = {10.1046/j.1365-246X.2002.01716.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {303-318},
-	Title = {Spectral-Element Simulations of Global Seismic Wave Propagation{-II. 3-D} Models, Oceans, Rotation, and Self-Gravitation},
-	Volume = {150},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.2002.01716.x}}
+        Author = {D. Komatitsch and J. Tromp},
+        Doi = {10.1046/j.1365-246X.2002.01716.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {303-318},
+        Title = {Spectral-Element Simulations of Global Seismic Wave Propagation{-II. 3-D} Models, Oceans, Rotation, and Self-Gravitation},
+        Volume = {150},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.2002.01716.x}}
 
 @article{KoTr01c,
-	Author = {D. Komatitsch and J. Tromp},
-	Doi = {10.1109/SC.2001.10003},
-	Journal = {Proceedings of the ACM/IEEE Supercomputing SC'2001 conference},
-	Pages = {33-41},
-	Title = {Modeling of seismic wave propagation at the scale of the {E}arth on a large {B}eowulf},
-	Year = {2001},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/SC.2001.10003}}
+        Author = {D. Komatitsch and J. Tromp},
+        Doi = {10.1109/SC.2001.10003},
+        Journal = {Proceedings of the ACM/IEEE Supercomputing SC'2001 conference},
+        Pages = {33-41},
+        Title = {Modeling of seismic wave propagation at the scale of the {E}arth on a large {B}eowulf},
+        Year = {2001},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/SC.2001.10003}}
 
 @article{KoTr01d,
-	Author = {D. Komatitsch and J. Tromp},
-	Journal = {Linux Journal},
-	Pages = {38-45},
-	Title = {Modeling Seismic Wave Propagation on a 156~{GB PC} Cluster},
-	Volume = {90},
-	Year = {2001}}
+        Author = {D. Komatitsch and J. Tromp},
+        Journal = {Linux Journal},
+        Pages = {38-45},
+        Title = {Modeling Seismic Wave Propagation on a 156~{GB PC} Cluster},
+        Volume = {90},
+        Year = {2001}}
 
 @article{KoTr99,
-	Author = {D. Komatitsch and J. Tromp},
-	Doi = {10.1046/j.1365-246x.1999.00967.x},
-	Journal = gji,
-	Number = {3},
-	Pages = {806-822},
-	Title = {Introduction to the spectral-element method for 3-{D} seismic wave propagation},
-	Volume = {139},
-	Year = {1999},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246x.1999.00967.x}}
+        Author = {D. Komatitsch and J. Tromp},
+        Doi = {10.1046/j.1365-246x.1999.00967.x},
+        Journal = gji,
+        Number = {3},
+        Pages = {806-822},
+        Title = {Introduction to the spectral-element method for 3-{D} seismic wave propagation},
+        Volume = {139},
+        Year = {1999},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246x.1999.00967.x}}
 
 @article{KoTsChTr03,
-	Author = {Dimitri Komatitsch and Seiji Tsuboi and Chen Ji and Jeroen Tromp},
-	Doi = {10.1109/SC.2003.10023},
-	Journal = {Proceedings of the ACM/IEEE Supercomputing SC'2003 conference},
-	Note = {{G}ordon {B}ell {P}rize winner article},
-	Pages = {4-11},
-	Title = {A 14.6~billion degrees of freedom, 5~teraflops, 2.5~terabyte earthquake simulation on the {E}arth~{S}imulator},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/SC.2003.10023}}
+        Author = {Dimitri Komatitsch and Seiji Tsuboi and Chen Ji and Jeroen Tromp},
+        Doi = {10.1109/SC.2003.10023},
+        Journal = {Proceedings of the ACM/IEEE Supercomputing SC'2003 conference},
+        Note = {{G}ordon {B}ell {P}rize winner article},
+        Pages = {4-11},
+        Title = {A 14.6~billion degrees of freedom, 5~teraflops, 2.5~terabyte earthquake simulation on the {E}arth~{S}imulator},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/SC.2003.10023}}
 
 @incollection{KoTsTr05,
-	Address = {Washington DC, USA},
-	Author = {D. Komatitsch and S. Tsuboi and J. Tromp},
-	Booktitle = {Seismic Earth: Array Analysis of Broadband Seismograms},
-	Editor = {Alan Levander and Guust Nolet},
-	Pages = {205-228},
-	Publisher = {American Geophysical Union},
-	Series = {Geophysical Monograph},
-	Title = {The Spectral-Element Method in Seismology},
-	Volume = {157},
-	Year = {2005}}
+        Address = {Washington DC, USA},
+        Author = {D. Komatitsch and S. Tsuboi and J. Tromp},
+        Booktitle = {Seismic Earth: Array Analysis of Broadband Seismograms},
+        Editor = {Alan Levander and Guust Nolet},
+        Pages = {205-228},
+        Publisher = {American Geophysical Union},
+        Series = {Geophysical Monograph},
+        Title = {The Spectral-Element Method in Seismology},
+        Volume = {157},
+        Year = {2005}}
 
 @article{KoVi98,
-	Author = {D. Komatitsch and J. P. Vilotte},
-	Journal = bssa,
-	Number = {2},
-	Pages = {368-392},
-	Title = {The spectral-element method: an efficient tool to simulate the seismic response of 2{D} and 3{D} geological structures},
-	Volume = {88},
-	Year = {1998}}
+        Author = {D. Komatitsch and J. P. Vilotte},
+        Journal = bssa,
+        Number = {2},
+        Pages = {368-392},
+        Title = {The spectral-element method: an efficient tool to simulate the seismic response of 2{D} and 3{D} geological structures},
+        Volume = {88},
+        Year = {1998}}
 
 @article{KoViVaCaSa99,
-	Author = {D. Komatitsch and J. P. Vilotte and R. Vai and J. M. Castillo-Covarrubias and F. J. S\'anchez-Sesma},
-	Doi = {10.1002/(SICI)1097-0207(19990730)45:9<1139::AID-NME617>3.0.CO;2-T},
-	Journal = ijnme,
-	Number = {9},
-	Pages = {1139-1164},
-	Title = {The spectral-element method for elastic wave equations: application to 2{D} and 3{D} seismic problems},
-	Volume = {45},
-	Year = {1999},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/(SICI)1097-0207(19990730)45:9%3C1139::AID-NME617%3E3.0.CO;2-T}}
+        Author = {D. Komatitsch and J. P. Vilotte and R. Vai and J. M. Castillo-Covarrubias and F. J. S\'anchez-Sesma},
+        Doi = {10.1002/(SICI)1097-0207(19990730)45:9<1139::AID-NME617>3.0.CO;2-T},
+        Journal = ijnme,
+        Number = {9},
+        Pages = {1139-1164},
+        Title = {The spectral-element method for elastic wave equations: application to 2{D} and 3{D} seismic problems},
+        Volume = {45},
+        Year = {1999},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/(SICI)1097-0207(19990730)45:9%3C1139::AID-NME617%3E3.0.CO;2-T}}
 
 @article{KoViCh10,
-	Author = {D. Komatitsch and L. P. Vinnik and S. Chevrot},
-	Doi = {10.1029/2009JB006795},
-	Journal = jgr,
-	Number = {B7},
-	Pages = {B07312},
-	Title = {{SH}diff/{SV}diff splitting in an isotropic {E}arth},
-	Volume = {115},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2009JB006795}}
+        Author = {D. Komatitsch and L. P. Vinnik and S. Chevrot},
+        Doi = {10.1029/2009JB006795},
+        Journal = jgr,
+        Number = {B7},
+        Pages = {B07312},
+        Title = {{SH}diff/{SV}diff splitting in an isotropic {E}arth},
+        Volume = {115},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2009JB006795}}
 
 @article{Komornik,
-	Author = {V. Komornik},
-	Journal = {C. R. Acad. Sci. Paris S\'er. I},
-	Pages = {535-540},
-	Title = {Stabilisation fronti\`ere des \'equations de {M}axwell},
-	Volume = {318},
-	Year = {1994}}
+        Author = {V. Komornik},
+        Journal = {C. R. Acad. Sci. Paris S\'er. I},
+        Pages = {535-540},
+        Title = {Stabilisation fronti\`ere des \'equations de {M}axwell},
+        Volume = {318},
+        Year = {1994}}
 
 @article{Kop06,
-	Author = {D. A. Kopriva},
-	Doi = {10.1007/s10915-005-9070-8},
-	Journal = {Journal of Scientific Computing},
-	Number = {3},
-	Pages = {301-327},
-	Title = {Metric identities and the discontinuous spectral element method on curvilinear meshes},
-	Volume = {26},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1007/s10915-005-9070-8}}
+        Author = {D. A. Kopriva},
+        Doi = {10.1007/s10915-005-9070-8},
+        Journal = {Journal of Scientific Computing},
+        Number = {3},
+        Pages = {301-327},
+        Title = {Metric identities and the discontinuous spectral element method on curvilinear meshes},
+        Volume = {26},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/s10915-005-9070-8}}
 
 @article{Kop96,
-	Author = {D. A. Kopriva},
-	Journal = jcp,
-	Pages = {475-488},
-	Title = {A conservative staggered-grid {C}hebyshev multidomain method for compressible flows: {P}art {II}, a semi-structured method},
-	Volume = {128},
-	Year = {1996}}
+        Author = {D. A. Kopriva},
+        Journal = jcp,
+        Pages = {475-488},
+        Title = {A conservative staggered-grid {C}hebyshev multidomain method for compressible flows: {P}art {II}, a semi-structured method},
+        Volume = {128},
+        Year = {1996}}
 
 @article{Kop89,
-	Author = {David A. Kopriva},
-	Doi = {10.1137/0910010},
-	Journal = {SIAM Journal on Scientific and Statistical Computing},
-	Number = {1},
-	Pages = {120-132},
-	Title = {Computation of Hyperbolic Equations on Complicated Domains with Patched and Overset {C}hebyshev Grids},
-	Volume = {10},
-	Year = {1989},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1137/0910010}}
+        Author = {David A. Kopriva},
+        Doi = {10.1137/0910010},
+        Journal = {SIAM Journal on Scientific and Statistical Computing},
+        Number = {1},
+        Pages = {120-132},
+        Title = {Computation of Hyperbolic Equations on Complicated Domains with Patched and Overset {C}hebyshev Grids},
+        Volume = {10},
+        Year = {1989},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1137/0910010}}
 
 @article{Kop86,
-	Author = {David A. Kopriva},
-	Doi = {10.1016/0168-9274(86)90030-9},
-	Journal = {Applied Numerical Mathematics},
-	Number = {3-5},
-	Pages = {221-241},
-	Title = {A spectral multidomain method for the solution of hyperbolic systems},
-	Volume = {2},
-	Year = {1986},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/0168-9274(86)90030-9}}
+        Author = {David A. Kopriva},
+        Doi = {10.1016/0168-9274(86)90030-9},
+        Journal = {Applied Numerical Mathematics},
+        Number = {3-5},
+        Pages = {221-241},
+        Title = {A spectral multidomain method for the solution of hyperbolic systems},
+        Volume = {2},
+        Year = {1986},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/0168-9274(86)90030-9}}
 
 @article{KoWoHu02,
-	Author = {D. A. Kopriva and S. L. Woodruff and M. Y. Hussaini},
-	Doi = {10.1002/nme.394},
-	Journal = ijnme,
-	Number = {1},
-	Pages = {105-122},
-	Title = {Computation of electromagnetic scattering with a non-conforming discontinuous spectral element method},
-	Volume = {53},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.394}}
+        Author = {D. A. Kopriva and S. L. Woodruff and M. Y. Hussaini},
+        Doi = {10.1002/nme.394},
+        Journal = ijnme,
+        Number = {1},
+        Pages = {105-122},
+        Title = {Computation of electromagnetic scattering with a non-conforming discontinuous spectral element method},
+        Volume = {53},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.394}}
 
 @article{KosKosSyr85,
-	Author = {A. M. Kosevich and Yu. A. Kosevich and E. S. Syrkin},
-	Journal = {Soviet Physics - Journal of Experimental and Theoretical Physics},
-	Pages = {639-644},
-	Title = {Generalized {R}ayleigh waves and the geometry of isofrequency surfaces of sound oscillation waves in crystals},
-	Volume = {61},
-	Year = {1985}}
+        Author = {A. M. Kosevich and Yu. A. Kosevich and E. S. Syrkin},
+        Journal = {Soviet Physics - Journal of Experimental and Theoretical Physics},
+        Pages = {639-644},
+        Title = {Generalized {R}ayleigh waves and the geometry of isofrequency surfaces of sound oscillation waves in crystals},
+        Volume = {61},
+        Year = {1985}}
 
 @article{KosSyr85,
-	Author = {Yu. A. Kosevich and E. S. Syrkin},
-	Journal = {Soviet Physics - Journal of Experimental and Theoretical Physics},
-	Number = {6},
-	Pages = {1282-1286},
-	Title = {Existence criterion and properties of deeply penetrating {R}ayleigh waves in crystals},
-	Volume = {62},
-	Year = {1985}}
+        Author = {Yu. A. Kosevich and E. S. Syrkin},
+        Journal = {Soviet Physics - Journal of Experimental and Theoretical Physics},
+        Number = {6},
+        Pages = {1282-1286},
+        Title = {Existence criterion and properties of deeply penetrating {R}ayleigh waves in crystals},
+        Volume = {62},
+        Year = {1985}}
 
 @article{KosSyrKos97,
-	Author = {Yu. A. Kosevich and E. S. Syrkin and A. M. Kosevich},
-	Journal = {Progress in Surface Science},
-	Number = {1},
-	Pages = {59-111},
-	Title = {Vibrations localized near surfaces and interfaces in non-traditional crystals},
-	Volume = {55},
-	Year = {1997}}
+        Author = {Yu. A. Kosevich and E. S. Syrkin and A. M. Kosevich},
+        Journal = {Progress in Surface Science},
+        Number = {1},
+        Pages = {59-111},
+        Title = {Vibrations localized near surfaces and interfaces in non-traditional crystals},
+        Volume = {55},
+        Year = {1997}}
 
 @article{KoBa82,
-	Author = {D. Kosloff and E. Baysal},
-	Journal = geophysics,
-	Pages = {1402-1412},
-	Title = {Forward modeling by the {F}ourier method},
-	Volume = {47},
-	Year = {1982}}
+        Author = {D. Kosloff and E. Baysal},
+        Journal = geophysics,
+        Pages = {1402-1412},
+        Title = {Forward modeling by the {F}ourier method},
+        Volume = {47},
+        Year = {1982}}
 
 @article{KoKeFiTeBeSt90,
-	Author = {D. Kosloff and D. Kessler and A. Q. Filho and E. Tessmer and A. Behle and R. Strahilevitz},
-	Doi = {10.1190/1.1442885},
-	Journal = geophysics,
-	Pages = {734-748},
-	Title = {Solution of the equations of dynamic elasticity by a {C}hebychev spectral method},
-	Volume = {55},
-	Year = {1990},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1442885}}
+        Author = {D. Kosloff and D. Kessler and A. Q. Filho and E. Tessmer and A. Behle and R. Strahilevitz},
+        Doi = {10.1190/1.1442885},
+        Journal = geophysics,
+        Pages = {734-748},
+        Title = {Solution of the equations of dynamic elasticity by a {C}hebychev spectral method},
+        Volume = {55},
+        Year = {1990},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1442885}}
 
 @article{KoReLo84,
-	Author = {D. Kosloff and M. Reshef and D. Loewenthal},
-	Journal = bssa,
-	Pages = {875-891},
-	Title = {Elastic wave calculations by the {F}ourier method},
-	Volume = {74},
-	Year = {1984}}
+        Author = {D. Kosloff and M. Reshef and D. Loewenthal},
+        Journal = bssa,
+        Pages = {875-891},
+        Title = {Elastic wave calculations by the {F}ourier method},
+        Volume = {74},
+        Year = {1984}}
 
 @article{KoTa93,
-	Author = {D. Kosloff and H. Tal-Ezer},
-	Journal = jcp,
-	Pages = {457-469},
-	Title = {A modified {C}hebyshev pseudospectral method with an {{$O(N^{-1})$}} time step restriction},
-	Volume = {104},
-	Year = {1993}}
+        Author = {D. Kosloff and H. Tal-Ezer},
+        Journal = jcp,
+        Pages = {457-469},
+        Title = {A modified {C}hebyshev pseudospectral method with an {{$O(N^{-1})$}} time step restriction},
+        Volume = {104},
+        Year = {1993}}
 
 @article{KoYiTs99,
-	Author = {T. I. Kosmanis and T. V. Yioultsis and T. D. Tsiboukis},
-	Journal = {IEEE transactions on Magnetics},
-	Number = {6},
-	Pages = {4452-4458},
-	Title = {Perfectly matched anisotropic layer for the numerical analysis of unbounded eddy-current problems},
-	Volume = {35},
-	Year = {1999}}
+        Author = {T. I. Kosmanis and T. V. Yioultsis and T. D. Tsiboukis},
+        Journal = {IEEE transactions on Magnetics},
+        Number = {6},
+        Pages = {4452-4458},
+        Title = {Perfectly matched anisotropic layer for the numerical analysis of unbounded eddy-current problems},
+        Volume = {35},
+        Year = {1999}}
 
 @article{KrTuOk04a,
-	Address = {Vancouver, British Columbia, Canada},
-	Author = {Sean E. Krakiwsky and Laurence E. Turner and Michal M. Okoniewski},
-	Journal = {Proceedings of the 2004 IEEE International Symposium on Circuits and Systems},
-	Pages = {265-268},
-	Title = {Graphics processor unit ({GPU}) acceleration of a finite-difference time-domain ({FDTD}) algorithm},
-	Year = {2004}}
+        Address = {Vancouver, British Columbia, Canada},
+        Author = {Sean E. Krakiwsky and Laurence E. Turner and Michal M. Okoniewski},
+        Journal = {Proceedings of the 2004 IEEE International Symposium on Circuits and Systems},
+        Pages = {265-268},
+        Title = {Graphics processor unit ({GPU}) acceleration of a finite-difference time-domain ({FDTD}) algorithm},
+        Year = {2004}}
 
 @article{KrTuOk04b,
-	Author = {S. E. Krakiwsky and L. E. Turner and M. M. Okoniewski},
-	Doi = {10.1109/MWSYM.2004.1339160},
-	Journal = {IEEE 2004 MTT-S International Microwave Symposium Digest},
-	Pages = {1033-1036},
-	Title = {Acceleration of finite-difference time-domain ({FDTD}) using graphics processor units ({GPU})},
-	Volume = {2},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/MWSYM.2004.1339160}}
+        Author = {S. E. Krakiwsky and L. E. Turner and M. M. Okoniewski},
+        Doi = {10.1109/MWSYM.2004.1339160},
+        Journal = {IEEE 2004 MTT-S International Microwave Symposium Digest},
+        Pages = {1033-1036},
+        Title = {Acceleration of finite-difference time-domain ({FDTD}) using graphics processor units ({GPU})},
+        Volume = {2},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/MWSYM.2004.1339160}}
 
 @article{Kra76,
-	Author = {E. Kraut},
-	Journal = {IEEE Trans. S. U.},
-	Pages = {162-167},
-	Title = {Review of theories of scattering of elastic waves by cracks},
-	Volume = {3},
-	Year = {1976}}
+        Author = {E. Kraut},
+        Journal = {IEEE Trans. S. U.},
+        Pages = {162-167},
+        Title = {Review of theories of scattering of elastic waves by cracks},
+        Volume = {3},
+        Year = {1976}}
 
 @article{Kra63,
-	Author = {E. A. Kraut},
-	Journal = {Reviews of Geophysics},
-	Number = {3},
-	Pages = {401-448},
-	Title = {Advances in the theory of anisotropic elastic wave propagation},
-	Volume = {1},
-	Year = {1963}}
+        Author = {E. A. Kraut},
+        Journal = {Reviews of Geophysics},
+        Number = {3},
+        Pages = {401-448},
+        Title = {Advances in the theory of anisotropic elastic wave propagation},
+        Volume = {1},
+        Year = {1963}}
 
 @article{Kre06,
-	Author = {Steen Krenk},
-	Doi = {10.1016/j.cma.2005.12.001},
-	Journal = cmame,
-	Pages = {6110-6124},
-	Title = {Energy conservation in {N}ewmark based time integration algorithms},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cma.2005.12.001}}
+        Author = {Steen Krenk},
+        Doi = {10.1016/j.cma.2005.12.001},
+        Journal = cmame,
+        Pages = {6110-6124},
+        Title = {Energy conservation in {N}ewmark based time integration algorithms},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cma.2005.12.001}}
 
 @article{KrJiKoTr06a,
-	Author = {Swaminathan Krishnan and Chen Ji and Dimitri Komatitsch and Jeroen Tromp},
-	Doi = {10.1785/0120050145},
-	Journal = bssa,
-	Number = {4A},
-	Pages = {1523-1537},
-	Title = {Case Studies of Damage to Tall Steel Moment-Frame Buildings in {S}outhern {C}alifornia during Large {S}an {A}ndreas Earthquakes},
-	Volume = {96},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120050145}}
+        Author = {Swaminathan Krishnan and Chen Ji and Dimitri Komatitsch and Jeroen Tromp},
+        Doi = {10.1785/0120050145},
+        Journal = bssa,
+        Number = {4A},
+        Pages = {1523-1537},
+        Title = {Case Studies of Damage to Tall Steel Moment-Frame Buildings in {S}outhern {C}alifornia during Large {S}an {A}ndreas Earthquakes},
+        Volume = {96},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120050145}}
 
 @article{KrJiKoTr06b,
-	Author = {Swaminathan Krishnan and Chen Ji and Dimitri Komatitsch and Jeroen Tromp},
-	Doi = {10.1193/1.2360698},
-	Journal = {Earthquake Spectra},
-	Number = {4},
-	Pages = {1035-1061},
-	Title = {Performance of two 18-story steel moment-frame buildings in {S}outhern {C}alifornia during two large simulated {S}an {A}ndreas Earthquakes},
-	Volume = {22},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1193/1.2360698}}
+        Author = {Swaminathan Krishnan and Chen Ji and Dimitri Komatitsch and Jeroen Tromp},
+        Doi = {10.1193/1.2360698},
+        Journal = {Earthquake Spectra},
+        Number = {4},
+        Pages = {1035-1061},
+        Title = {Performance of two 18-story steel moment-frame buildings in {S}outhern {C}alifornia during two large simulated {S}an {A}ndreas Earthquakes},
+        Volume = {22},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1193/1.2360698}}
 
 @inproceedings{KrJiKoTr06c,
-	Author = {Swaminathan Krishnan and Chen Ji and Dimitri Komatitsch and Jeroen Tromp},
-	Booktitle = {Proceedings of the 8th U.S. National Conference on Earthquake Engineering},
-	Month = {April 18-22},
-	Note = {Paper No. 154, available on CD-ROM.},
-	Pages = {1-12},
-	Title = {Impact of a large {S}an {A}ndreas fault earthquake on tall buildings in {S}outhern {C}alifornia},
-	Year = {2006}}
+        Author = {Swaminathan Krishnan and Chen Ji and Dimitri Komatitsch and Jeroen Tromp},
+        Booktitle = {Proceedings of the 8th U.S. National Conference on Earthquake Engineering},
+        Month = {April 18-22},
+        Note = {Paper No. 154, available on CD-ROM.},
+        Pages = {1-12},
+        Title = {Impact of a large {S}an {A}ndreas fault earthquake on tall buildings in {S}outhern {C}alifornia},
+        Year = {2006}}
 
 @article{KrMo03,
-	Author = {J. Kristek and P. Moczo},
-	Journal = bssa,
-	Number = {5},
-	Pages = {2273-2280},
-	Title = {Seismic-Wave Propagation in Viscoelastic Media with Material Discontinuities: {A 3D} Fourth-Order Staggered-Grid Finite-Difference Modeling},
-	Volume = {93},
-	Year = {2003}}
+        Author = {J. Kristek and P. Moczo},
+        Journal = bssa,
+        Number = {5},
+        Pages = {2273-2280},
+        Title = {Seismic-Wave Propagation in Viscoelastic Media with Material Discontinuities: {A 3D} Fourth-Order Staggered-Grid Finite-Difference Modeling},
+        Volume = {93},
+        Year = {2003}}
 
 @article{KrMoGa09,
-	Author = {Jozef Kristek and Peter Moczo and Martin Galis},
-	Doi = {10.1007/s11200-009-0034-6},
-	Journal = {Studia Geophysica et Geodaetica},
-	Number = {4},
-	Pages = {459-474},
-	Title = {A brief summary of some {PML} formulations and discretizations for the velocity-stress equation of seismic motion},
-	Volume = {53},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1007/s11200-009-0034-6}}
+        Author = {Jozef Kristek and Peter Moczo and Martin Galis},
+        Doi = {10.1007/s11200-009-0034-6},
+        Journal = {Studia Geophysica et Geodaetica},
+        Number = {4},
+        Pages = {459-474},
+        Title = {A brief summary of some {PML} formulations and discretizations for the velocity-stress equation of seismic motion},
+        Volume = {53},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/s11200-009-0034-6}}
 
 @incollection{KrMoIrIwSe99,
-	Address = {Rotterdam, The Netherlands},
-	Author = {J. Kristek and P. Moczo and K. Irikura and T. Iwata and H. Sekiguchi},
-	Booktitle = {The Effects of Surface Geology on Seismic Motion},
-	Editor = {K. Irikura and K. Kudo and H. Okada and T. Sasatani},
-	Pages = {1361-1368},
-	Publisher = {Balkema},
-	Title = {The 1995 {K}obe mainshock simulated by {3D} finite differences},
-	Volume = {3},
-	Year = {1999}}
+        Address = {Rotterdam, The Netherlands},
+        Author = {J. Kristek and P. Moczo and K. Irikura and T. Iwata and H. Sekiguchi},
+        Booktitle = {The Effects of Surface Geology on Seismic Motion},
+        Editor = {K. Irikura and K. Kudo and H. Okada and T. Sasatani},
+        Pages = {1361-1368},
+        Publisher = {Balkema},
+        Title = {The 1995 {K}obe mainshock simulated by {3D} finite differences},
+        Volume = {3},
+        Year = {1999}}
 
 @article{KrWeScSc95,
-	Author = {F. Krueger and M. Weber and F. Scherbaum and J. Schlittenhardt},
-	Journal = gji,
-	Number = {2},
-	Pages = {637-657},
-	Title = {Evidence for normal and inhomogeneous lowermost mantle and core-mantle boundary structure under the {A}rctic and northern {C}anada},
-	Volume = {122},
-	Year = {1995}}
+        Author = {F. Krueger and M. Weber and F. Scherbaum and J. Schlittenhardt},
+        Journal = gji,
+        Number = {2},
+        Pages = {637-657},
+        Title = {Evidence for normal and inhomogeneous lowermost mantle and core-mantle boundary structure under the {A}rctic and northern {C}anada},
+        Volume = {122},
+        Year = {1995}}
 
 @phdthesis{Krueger:2006:AGF,
-	Author = {Jens Kr{\"u}ger},
-	Month = dec,
-	School = {Technische Universit{\"a}t M{\"u}nchen, Germany},
-	Title = {A {GPU} Framework for Interactive Simulation and Rendering of Fluid Effects},
-	Year = {2006}}
+        Author = {Jens Kr{\"u}ger},
+        Month = dec,
+        School = {Technische Universit{\"a}t M{\"u}nchen, Germany},
+        Title = {A {GPU} Framework for Interactive Simulation and Rendering of Fluid Effects},
+        Year = {2006}}
 
 @article{Krueger:2003:LAO,
-	Author = {Jens Kr{\"u}ger and R{\"u}diger Westermann},
-	Doi = {10.1145/882262.882363},
-	Journal = {ACM Transactions on Graphics},
-	Month = jul,
-	Number = {3},
-	Pages = {908--916},
-	Title = {Linear algebra operators for {GPU} implementation of numerical algorithms},
-	Volume = {22},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/882262.882363}}
+        Author = {Jens Kr{\"u}ger and R{\"u}diger Westermann},
+        Doi = {10.1145/882262.882363},
+        Journal = {ACM Transactions on Graphics},
+        Month = jul,
+        Number = {3},
+        Pages = {908--916},
+        Title = {Linear algebra operators for {GPU} implementation of numerical algorithms},
+        Volume = {22},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/882262.882363}}
 
 @article{KuAn69,
-	Author = {M. Kumazawa and O. L. Anderson},
-	Journal = jgr,
-	Pages = {5961-5972},
-	Title = {Elastic Moduli, Pressure Derivates and Temperature Derivates of Single-Crystal Olivine and Single-Crystal Forstite},
-	Volume = {74},
-	Year = {1969}}
+        Author = {M. Kumazawa and O. L. Anderson},
+        Journal = jgr,
+        Pages = {5961-5972},
+        Title = {Elastic Moduli, Pressure Derivates and Temperature Derivates of Single-Crystal Olivine and Single-Crystal Forstite},
+        Volume = {74},
+        Year = {1969}}
 
 @inproceedings{KuBe88,
-	Author = {B. Kummer and A. Behle},
-	Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
-	Note = {58th international meeting of the SEG},
-	Pages = {1175-1177},
-	Title = {Fast modeling of seismic waves in laterally inhomogeneous media},
-	Year = {1988}}
+        Author = {B. Kummer and A. Behle},
+        Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
+        Note = {58th international meeting of the SEG},
+        Pages = {1175-1177},
+        Title = {Fast modeling of seismic waves in laterally inhomogeneous media},
+        Year = {1988}}
 
 @article{KuDzEk06,
-	Author = {B. Kustowski and A. M. Dziewo\'nski and G. Ekstrom},
-	Journal = {EOS},
-	Note = {Fall Meet. Suppl.},
-	Number = {52},
-	Pages = {Abstract S41E-02},
-	Title = {Modeling the anisotropic shear-wave velocity structure in the {E}arth's mantle on global and regional scales},
-	Volume = {87},
-	Year = {2006}}
+        Author = {B. Kustowski and A. M. Dziewo\'nski and G. Ekstrom},
+        Journal = {EOS},
+        Note = {Fall Meet. Suppl.},
+        Number = {52},
+        Pages = {Abstract S41E-02},
+        Title = {Modeling the anisotropic shear-wave velocity structure in the {E}arth's mantle on global and regional scales},
+        Volume = {87},
+        Year = {2006}}
 
 @article{Kuz02,
-	Author = {S. V. Kuznetsov},
-	Journal = {Quarterly of Applied Mathematics},
-	Pages = {87-97},
-	Title = {"Forbidden" planes for {R}ayleigh waves},
-	Volume = {60},
-	Year = {2002}}
+        Author = {S. V. Kuznetsov},
+        Journal = {Quarterly of Applied Mathematics},
+        Pages = {87-97},
+        Title = {"Forbidden" planes for {R}ayleigh waves},
+        Volume = {60},
+        Year = {2002}}
 
 @article{KuMi96,
-	Author = {M. Kuzuoglu and R. Mittra},
-	Journal = {IEEE Microwave and Guided Wave Letters},
-	Number = {12},
-	Pages = {447-449},
-	Title = {Frequency dependence of the constitutive parameters of causal perfectly matched anisotropic absorbers},
-	Volume = {6},
-	Year = {1996}}
+        Author = {M. Kuzuoglu and R. Mittra},
+        Journal = {IEEE Microwave and Guided Wave Letters},
+        Number = {12},
+        Pages = {447-449},
+        Title = {Frequency dependence of the constitutive parameters of causal perfectly matched anisotropic absorbers},
+        Volume = {6},
+        Year = {1996}}
 
 @article{LaMaQu97,
-	Author = {D. J. P. Lahaye and F. Maggio and A. Quarteroni},
-	Journal = {East-West J. Numer. Math.},
-	Number = {4},
-	Pages = {265-289},
-	Title = {Hybrid finite element-spectral element approximation of wave propagation problems},
-	Volume = {5},
-	Year = {1997}}
+        Author = {D. J. P. Lahaye and F. Maggio and A. Quarteroni},
+        Journal = {East-West J. Numer. Math.},
+        Number = {4},
+        Pages = {265-289},
+        Title = {Hybrid finite element-spectral element approximation of wave propagation problems},
+        Volume = {5},
+        Year = {1997}}
 
 @article{Lak87,
-	Author = {R. Lakes},
-	Journal = {Science},
-	Pages = {1038-1040},
-	Title = {Foam structures with a negative {P}oisson's ratio},
-	Volume = {235},
-	Year = {1987}}
+        Author = {R. Lakes},
+        Journal = {Science},
+        Pages = {1038-1040},
+        Title = {Foam structures with a negative {P}oisson's ratio},
+        Volume = {235},
+        Year = {1987}}
 
 @book{Lam52,
-	Address = {Paris},
-	Author = {Gabriel Lam\'e},
-	Publisher = {Gauthier-Villars},
-	Title = {Le\c cons sur la th\'eorie math\'ematique de l'\'elasticit\'e des corps solides},
-	Year = {1852}}
+        Address = {Paris},
+        Author = {Gabriel Lam\'e},
+        Publisher = {Gauthier-Villars},
+        Title = {Le\c cons sur la th\'eorie math\'ematique de l'\'elasticit\'e des corps solides},
+        Year = {1852}}
 
 @article{Lam04,
-	Author = {H. Lamb},
-	Journal = {Phil. Trans. R. Soc. London. Ser. A},
-	Pages = {1-42},
-	Title = {On the propagation of tremors over the surface of an elastic solid},
-	Volume = {203},
-	Year = {1904}}
+        Author = {H. Lamb},
+        Journal = {Phil. Trans. R. Soc. London. Ser. A},
+        Pages = {1-42},
+        Title = {On the propagation of tremors over the surface of an elastic solid},
+        Volume = {203},
+        Year = {1904}}
 
 @article{LaViMaJi92,
-	Author = {Gilles Lambar\'e and Jean Virieux and Raul Madariaga and Side Jin},
-	Journal = geophysics,
-	Number = {9},
-	Pages = {1138-1154},
-	Title = {Iterative asymptotic inversion in the acoustic approximation},
-	Volume = {57},
-	Year = {1992}}
+        Author = {Gilles Lambar\'e and Jean Virieux and Raul Madariaga and Side Jin},
+        Journal = geophysics,
+        Number = {9},
+        Pages = {1138-1154},
+        Title = {Iterative asymptotic inversion in the acoustic approximation},
+        Volume = {57},
+        Year = {1992}}
 
 @book{LaLi53,
-	Address = {Moscow, Russia},
-	Author = {L. Landau and E. Lifchitz},
-	Edition = {2nd},
-	Publisher = {Mir},
-	Title = {Th\'eorie de l'\'elasticit\'e ({T}heory of {E}lasticity)},
-	Year = {1953}}
+        Address = {Moscow, Russia},
+        Author = {L. Landau and E. Lifchitz},
+        Edition = {2nd},
+        Publisher = {Mir},
+        Title = {Th\'eorie de l'\'elasticit\'e ({T}heory of {E}lasticity)},
+        Year = {1953}}
 
 @book{LaLi59,
-	Address = {New York},
-	Author = {L. D. Landau and E. M. Lifshitz},
-	Publisher = {Pergamon Press},
-	Title = {Fluid mechanics},
-	Year = {1959}}
+        Address = {New York},
+        Author = {L. D. Landau and E. M. Lifshitz},
+        Publisher = {Pergamon Press},
+        Title = {Fluid mechanics},
+        Year = {1959}}
 
 @article{Lap61,
-	Author = {E. R. Lapwood},
-	Journal = {Geophys. J.},
-	Pages = {174-196},
-	Title = {The transmission of a {R}ayleigh pulse round a corner},
-	Volume = {4},
-	Year = {1961}}
+        Author = {E. R. Lapwood},
+        Journal = {Geophys. J.},
+        Pages = {174-196},
+        Title = {The transmission of a {R}ayleigh pulse round a corner},
+        Volume = {4},
+        Year = {1961}}
 
 @article{LaAnDrStScLoRo97,
-	Author = {S. Larsen and M. Antolik and D. Dreger and C. Stidham and C. Schultz and A. Lomax and B. Romanowicz},
-	Journal = {Seis. Res. Lett.},
-	Pages = {328},
-	Title = {3-{D} Models of Seismic Wave Propagation: Simulating Scenario Earthquakes Along the {H}ayward Fault},
-	Volume = {68},
-	Year = {1997}}
+        Author = {S. Larsen and M. Antolik and D. Dreger and C. Stidham and C. Schultz and A. Lomax and B. Romanowicz},
+        Journal = {Seis. Res. Lett.},
+        Pages = {328},
+        Title = {3-{D} Models of Seismic Wave Propagation: Simulating Scenario Earthquakes Along the {H}ayward Fault},
+        Volume = {68},
+        Year = {1997}}
 
 @article{LaMiTrTaKoCh05,
-	Author = {Konstantin Latychev and Jerry X. Mitrovica and Jeroen Tromp and Mark E. Tamisiea and Dimitri Komatitsch and Christina C. Christara},
-	Doi = {10.1111/j.1365-246X.2005.02536.x},
-	Journal = gji,
-	Number = {2},
-	Pages = {421-444},
-	Title = {Glacial isostatic adjustment on 3-{D} {E}arth models: a finite-volume formulation},
-	Volume = {161},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2005.02536.x}}
+        Author = {Konstantin Latychev and Jerry X. Mitrovica and Jeroen Tromp and Mark E. Tamisiea and Dimitri Komatitsch and Christina C. Christara},
+        Doi = {10.1111/j.1365-246X.2005.02536.x},
+        Journal = gji,
+        Number = {2},
+        Pages = {421-444},
+        Title = {Glacial isostatic adjustment on 3-{D} {E}arth models: a finite-volume formulation},
+        Volume = {161},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2005.02536.x}}
 
 @article{LayKanamoriAmmon2005,
-	Author = {T. Lay and H. Kanamori and C.J. Ammon and M. Nettles and S. N. Ward and R. C. Aster and S. L. Beck and S. L. Bilek and M. R. Brudzinski and R. Butler and H. R. DeShon and G. Ekstrom and K. Satake and S. Sipkin},
-	Journal = {Science},
-	Number = {5725},
-	Pages = {1127-1133},
-	Title = {The great {S}umatra-{A}ndaman earthquake of 26 {D}ecember 2004},
-	Volume = {3},
-	Year = {2005}}
+        Author = {T. Lay and H. Kanamori and C.J. Ammon and M. Nettles and S. N. Ward and R. C. Aster and S. L. Beck and S. L. Bilek and M. R. Brudzinski and R. Butler and H. R. DeShon and G. Ekstrom and K. Satake and S. Sipkin},
+        Journal = {Science},
+        Number = {5725},
+        Pages = {1127-1133},
+        Title = {The great {S}umatra-{A}ndaman earthquake of 26 {D}ecember 2004},
+        Volume = {3},
+        Year = {2005}}
 
 @article{LaYo91,
-	Author = {T. Lay and C. Young},
-	Journal = grl,
-	Pages = {1373-1376},
-	Title = {Analysis of seismic {SV} waves in the core's penumbra},
-	Volume = {18},
-	Year = {1991}}
+        Author = {T. Lay and C. Young},
+        Journal = grl,
+        Pages = {1373-1376},
+        Title = {Analysis of seismic {SV} waves in the core's penumbra},
+        Volume = {18},
+        Year = {1991}}
 
 @phdthesis{LeRousseau2001,
-	Author = {J. H. {Le Rousseau}},
-	School = {Center for Wave Phenomena, Colorado School of Mines},
-	Title = {Microlocal analysis of wave-equation imaging and generalized-screen propagators},
-	Year = {2001}}
+        Author = {J. H. {Le Rousseau}},
+        School = {Center for Wave Phenomena, Colorado School of Mines},
+        Title = {Microlocal analysis of wave-equation imaging and generalized-screen propagators},
+        Year = {2001}}
 
 @article{LeLi07,
-	Author = {Joon Ho Lee and Qing Huo Liu},
-	Doi = {10.1109/TMTT.2007.895398},
-	Journal = {IEEE Transactions on Microwave Theory and Techniques},
-	Number = {5},
-	Pages = {983-991},
-	Title = {A {3-D} Spectral-Element Time-Domain Method for Electromagnetic Simulation},
-	Volume = {55},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/TMTT.2007.895398}}
+        Author = {Joon Ho Lee and Qing Huo Liu},
+        Doi = {10.1109/TMTT.2007.895398},
+        Journal = {IEEE Transactions on Microwave Theory and Techniques},
+        Number = {5},
+        Pages = {983-991},
+        Title = {A {3-D} Spectral-Element Time-Domain Method for Electromagnetic Simulation},
+        Volume = {55},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/TMTT.2007.895398}}
 
 @article{LeLi05,
-	Author = {Joon Ho Lee and Qing Huo Liu},
-	Journal = {IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems},
-	Number = {12},
-	Pages = {1848-1858},
-	Title = {An efficient {3-D} spectral element method for {S}chr\"odinger equation in nanodevice simulation},
-	Volume = {24},
-	Year = {2005}}
+        Author = {Joon Ho Lee and Qing Huo Liu},
+        Journal = {IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems},
+        Number = {12},
+        Pages = {1848-1858},
+        Title = {An efficient {3-D} spectral element method for {S}chr\"odinger equation in nanodevice simulation},
+        Volume = {24},
+        Year = {2005}}
 
 @article{LeChKoHuTr09,
-	Author = {Shiann Jong Lee and Yu Chang Chan and Dimitri Komatitsch and Bor Shouh Huang and Jeroen Tromp},
-	Doi = {10.1785/0120080264},
-	Journal = bssa,
-	Number = {2A},
-	Pages = {681-693},
-	Title = {Effects of realistic surface topography on seismic ground motion in the {Y}angminshan region of {T}aiwan based upon the spectral-element method and {LiDAR DTM}},
-	Volume = {99},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120080264}}
+        Author = {Shiann Jong Lee and Yu Chang Chan and Dimitri Komatitsch and Bor Shouh Huang and Jeroen Tromp},
+        Doi = {10.1785/0120080264},
+        Journal = bssa,
+        Number = {2A},
+        Pages = {681-693},
+        Title = {Effects of realistic surface topography on seismic ground motion in the {Y}angminshan region of {T}aiwan based upon the spectral-element method and {LiDAR DTM}},
+        Volume = {99},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120080264}}
 
 @article{LeChLiKoHuTr08,
-	Author = {Shiann Jong Lee and How Wei Chen and Qinya Liu and Dimitri Komatitsch and Bor Shouh Huang and Jeroen Tromp},
-	Doi = {10.1785/0120070033},
-	Journal = bssa,
-	Number = {1},
-	Pages = {253-264},
-	Title = {Three-Dimensional Simulations of Seismic Wave Propagation in the {T}aipei Basin with Realistic Topography Based upon the Spectral-Element Method},
-	Volume = {98},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120070033}}
+        Author = {Shiann Jong Lee and How Wei Chen and Qinya Liu and Dimitri Komatitsch and Bor Shouh Huang and Jeroen Tromp},
+        Doi = {10.1785/0120070033},
+        Journal = bssa,
+        Number = {1},
+        Pages = {253-264},
+        Title = {Three-Dimensional Simulations of Seismic Wave Propagation in the {T}aipei Basin with Realistic Topography Based upon the Spectral-Element Method},
+        Volume = {98},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120070033}}
 
 @article{LeKoHuTr09,
-	Author = {S. J. Lee and Dimitri Komatitsch and B. S. Huang and J. Tromp},
-	Doi = {10.1785/0120080020},
-	Journal = bssa,
-	Number = {1},
-	Pages = {314-325},
-	Title = {Effects of topography on seismic wave propagation: An example from northern {T}aiwan},
-	Volume = {99},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120080020}}
+        Author = {S. J. Lee and Dimitri Komatitsch and B. S. Huang and J. Tromp},
+        Doi = {10.1785/0120080020},
+        Journal = bssa,
+        Number = {1},
+        Pages = {314-325},
+        Title = {Effects of topography on seismic wave propagation: An example from northern {T}aiwan},
+        Volume = {99},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120080020}}
 
 @article{LaWaBe05,
-	Author = {A. Legay and H. W. Wang and T. Belytschko},
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-	Volume = {64},
-	Year = {2005},
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+        Author = {A. Legay and H. W. Wang and T. Belytschko},
+        Doi = {10.1002/nme.1388},
+        Journal = ijnme,
+        Number = {8},
+        Pages = {991-1008},
+        Title = {Strong and weak arbitrary discontinuities in spectral finite elements},
+        Volume = {64},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.1388}}
 
 @book{LeCh85,
-	Address = {Paris},
-	Author = {J. Lemaitre and J. L. Chaboche},
-	Publisher = {Dunod},
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-	Year = {1985}}
+        Address = {Paris},
+        Author = {J. Lemaitre and J. L. Chaboche},
+        Publisher = {Dunod},
+        Title = {M\'ecanique des mat\'eriaux solides},
+        Year = {1985}}
 
 @article{Lem88,
-	Author = {P. G. Lemari\'e},
-	Journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
-	Pages = {9999998-9999999},
-	Title = {Ondelettes \`a localisation exponentielle},
-	Volume = {67},
-	Year = {1988}}
+        Author = {P. G. Lemari\'e},
+        Journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
+        Pages = {9999998-9999999},
+        Title = {Ondelettes \`a localisation exponentielle},
+        Volume = {67},
+        Year = {1988}}
 
 @book{Les97,
-	Address = {Dordrecht},
-	Author = {M. Lesieur},
-	Publisher = {Kluwer Academic Publishers},
-	Title = {Turbulence in fluids},
-	Year = {1997}}
+        Address = {Dordrecht},
+        Author = {M. Lesieur},
+        Publisher = {Kluwer Academic Publishers},
+        Title = {Turbulence in fluids},
+        Year = {1997}}
 
 @article{LeNiLeCh06,
-	Author = {Alan Levander and Fenglin Niu and Cin-Ty A. Lee and Xin Cheng},
-	Doi = {10.1016/j.tecto.2005.11.018},
-	Journal = {Tectonophysics},
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-	Pages = {167-185},
-	Title = {Imag(in)ing the continental lithosphere},
-	Volume = {416},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.tecto.2005.11.018}}
+        Author = {Alan Levander and Fenglin Niu and Cin-Ty A. Lee and Xin Cheng},
+        Doi = {10.1016/j.tecto.2005.11.018},
+        Journal = {Tectonophysics},
+        Number = {1-4},
+        Pages = {167-185},
+        Title = {Imag(in)ing the continental lithosphere},
+        Volume = {416},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.tecto.2005.11.018}}
 
 @incollection{LeNiSy05,
-	Address = {Washington DC, USA},
-	Author = {A. Levander and F. Niu and W. W. Symes},
-	Booktitle = {Seismic Earth: Array Analysis of Broadband Seismograms},
-	Editor = {Alan Levander and Guust Nolet},
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-	Publisher = {American Geophysical Union},
-	Series = {Geophysical Monograph},
-	Title = {Imaging teleseismic {P} to {S} scattered waves using the {K}irchhoff integral},
-	Volume = {157},
-	Year = {2005}}
+        Address = {Washington DC, USA},
+        Author = {A. Levander and F. Niu and W. W. Symes},
+        Booktitle = {Seismic Earth: Array Analysis of Broadband Seismograms},
+        Editor = {Alan Levander and Guust Nolet},
+        Pages = {149-170},
+        Publisher = {American Geophysical Union},
+        Series = {Geophysical Monograph},
+        Title = {Imaging teleseismic {P} to {S} scattered waves using the {K}irchhoff integral},
+        Volume = {157},
+        Year = {2005}}
 
 @article{Lev88,
-	Author = {A. R. Levander},
-	Journal = geophysics,
-	Pages = {1425-1436},
-	Title = {Fourth-order finite-difference {{\it P-SV}} seismograms},
-	Volume = {53},
-	Year = {1988}}
+        Author = {A. R. Levander},
+        Journal = geophysics,
+        Pages = {1425-1436},
+        Title = {Fourth-order finite-difference {{\it P-SV}} seismograms},
+        Volume = {53},
+        Year = {1988}}
 
 @article{LeDaMaEaVe00,
-	Author = {J. Lewis and S. M. Day and H. Magistrale and J. Eakins and F. L. Vernon},
-	Journal = {Geology},
-	Pages = {303-306},
-	Title = {Crustal thickness of the {P}eninsular {R}anges, southern {C}alifornia, from teleseismic receiver functions},
-	Volume = {28},
-	Year = {2000}}
+        Author = {J. Lewis and S. M. Day and H. Magistrale and J. Eakins and F. L. Vernon},
+        Journal = {Geology},
+        Pages = {303-306},
+        Title = {Crustal thickness of the {P}eninsular {R}anges, southern {C}alifornia, from teleseismic receiver functions},
+        Volume = {28},
+        Year = {2000}}
 
 @inproceedings{LiBiGa92,
-	Author = {X. Li and J. Bielak and O. Ghattas},
-	Booktitle = {Proc. 10th World Conf. Earthquake Eng.},
-	Note = {Madrid, Spain},
-	Pages = {959-964},
-	Title = {Three-dimensional earthquake response on a {CM}2},
-	Year = {1992}}
+        Author = {X. Li and J. Bielak and O. Ghattas},
+        Booktitle = {Proc. 10th World Conf. Earthquake Eng.},
+        Note = {Madrid, Spain},
+        Pages = {959-964},
+        Title = {Three-dimensional earthquake response on a {CM}2},
+        Year = {1992}}
 
 @article{Li02,
-	Author = {X. Li and V. F. Cormier},
-	Doi = {10.1029/2002JB001795},
-	Journal = jgr,
-	Number = {B12},
-	Pages = {2361-2380},
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-	Volume = {107},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2002JB001795}}
+        Author = {X. Li and V. F. Cormier},
+        Doi = {10.1029/2002JB001795},
+        Journal = jgr,
+        Number = {B12},
+        Pages = {2361-2380},
+        Title = {Frequency-dependent seismic attenuation in the inner core 1. {A} viscoelastic interpretation},
+        Volume = {107},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2002JB001795}}
 
 @article{LiRo95,
-	Author = {X. D. Li and B. Romanowicz},
-	Journal = gji,
-	Pages = {695-709},
-	Title = {Comparison of global waveform inversions with and without considering cross-branch modal coupling},
-	Volume = {121},
-	Year = {1995}}
+        Author = {X. D. Li and B. Romanowicz},
+        Journal = gji,
+        Pages = {695-709},
+        Title = {Comparison of global waveform inversions with and without considering cross-branch modal coupling},
+        Volume = {121},
+        Year = {1995}}
 
 @article{LiTa93,
-	Author = {X. D. Li and T. Tanimoto},
-	Journal = gji,
-	Pages = {92-102},
-	Title = {Waveforms of long-period body waves in a slightly aspherical {E}arth model},
-	Volume = {112},
-	Year = {1993}}
+        Author = {X. D. Li and T. Tanimoto},
+        Journal = gji,
+        Pages = {92-102},
+        Title = {Waveforms of long-period body waves in a slightly aspherical {E}arth model},
+        Volume = {112},
+        Year = {1993}}
 
 @incollection{LiPeTc92,
-	Address = {New York},
-	Author = {J. Liandrat and V. Perrier and P. Tchamitchian},
-	Booktitle = {Wavelets and their Applications},
-	Publisher = {Edited by Ruskai, Jones and Barlett},
-	Title = {Numerical resolution of Nonlinear Partial Differential Equations using the Wavelet approach},
-	Year = {1992}}
+        Address = {New York},
+        Author = {J. Liandrat and V. Perrier and P. Tchamitchian},
+        Booktitle = {Wavelets and their Applications},
+        Publisher = {Edited by Ruskai, Jones and Barlett},
+        Title = {Numerical resolution of Nonlinear Partial Differential Equations using the Wavelet approach},
+        Year = {1992}}
 
 @article{LimFar69,
-	Author = {T. C. Lim and G. W. Farnell},
-	Journal = jasa,
-	Number = {4},
-	Pages = {845-851},
-	Title = {Character of pseudo-surface waves on anisotropic crystals},
-	Volume = {45},
-	Year = {1969}}
+        Author = {T. C. Lim and G. W. Farnell},
+        Journal = jasa,
+        Number = {4},
+        Pages = {845-851},
+        Title = {Character of pseudo-surface waves on anisotropic crystals},
+        Volume = {45},
+        Year = {1969}}
 
 @article{LimFar68,
-	Author = {T. C. Lim and G. W. Farnell},
-	Journal = {Journal of Applied Physics},
-	Number = {9},
-	Pages = {4319-4325},
-	Title = {Search for forbidden directions of elastic surface wave propagation in anisotropic crystals},
-	Volume = {39},
-	Year = {1968}}
+        Author = {T. C. Lim and G. W. Farnell},
+        Journal = {Journal of Applied Physics},
+        Number = {9},
+        Pages = {4319-4325},
+        Title = {Search for forbidden directions of elastic surface wave propagation in anisotropic crystals},
+        Volume = {39},
+        Year = {1968}}
 
 @article{Lindholm:2008:NTA,
-	Author = {Erik Lindholm and John Nickolls and Stuart Oberman and John Montrym},
-	Doi = {10.1109/MM.2008.31},
-	Journal = {IEEE Micro},
-	Month = mar # {\slash } # apr,
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-	Pages = {39--55},
-	Title = {{NVIDIA} {T}esla: {A} Unified Graphics and Computing Architecture},
-	Volume = {28},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/MM.2008.31}}
+        Author = {Erik Lindholm and John Nickolls and Stuart Oberman and John Montrym},
+        Doi = {10.1109/MM.2008.31},
+        Journal = {IEEE Micro},
+        Month = mar # {\slash } # apr,
+        Number = {2},
+        Pages = {39--55},
+        Title = {{NVIDIA} {T}esla: {A} Unified Graphics and Computing Architecture},
+        Volume = {28},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/MM.2008.31}}
 
 @article{LiNeGi10,
-	Author = {Joseph M. Lindquist and Beny Neta and Francis X. Giraldo},
-	Journal = {Wave Motion},
-	Number = {5},
-	Pages = {289-298},
-	Title = {A spectral element solution of the {K}lein-{G}ordon equation with high-order treatment of time and non-reflecting boundary},
-	Volume = {47},
-	Year = {2010}}
+        Author = {Joseph M. Lindquist and Beny Neta and Francis X. Giraldo},
+        Journal = {Wave Motion},
+        Number = {5},
+        Pages = {289-298},
+        Title = {A spectral element solution of the {K}lein-{G}ordon equation with high-order treatment of time and non-reflecting boundary},
+        Volume = {47},
+        Year = {2010}}
 
 @article{LiAnKa76,
-	Author = {H. P. Liu and D. L. Anderson and H. Kanamori},
-	Journal = gjras,
-	Pages = {41-58},
-	Title = {Velocity dispersion due to anelasticity: implications for seismology and mantle composition},
-	Volume = {47},
-	Year = {1976}}
+        Author = {H. P. Liu and D. L. Anderson and H. Kanamori},
+        Journal = gjras,
+        Pages = {41-58},
+        Title = {Velocity dispersion due to anelasticity: implications for seismology and mantle composition},
+        Volume = {47},
+        Year = {1976}}
 
 @inproceedings{liu_wang_zhang_2006,
-	Address = {Guilin, China},
-	Author = {K. Liu and Xiao Bing Wang and Yang Zhang and Cheng Liao},
-	Booktitle = {Proceedings of the 7th International Symposium on Antennas, Propagation \& EM Theory (ISAPE '06)},
-	Doi = {10.1109/ISAPE.2006.353223},
-	Journal = {Antennas, Propagation and EM Theory},
-	Month = {October},
-	Pages = {1-4},
-	Title = {Acceleration of Time-Domain Finite Element Method ({TD-FEM}) Using {Graphics Processor Units (GPU)}},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/ISAPE.2006.353223}}
+        Address = {Guilin, China},
+        Author = {K. Liu and Xiao Bing Wang and Yang Zhang and Cheng Liao},
+        Booktitle = {Proceedings of the 7th International Symposium on Antennas, Propagation \& EM Theory (ISAPE '06)},
+        Doi = {10.1109/ISAPE.2006.353223},
+        Journal = {Antennas, Propagation and EM Theory},
+        Month = {October},
+        Pages = {1-4},
+        Title = {Acceleration of Time-Domain Finite Element Method ({TD-FEM}) Using {Graphics Processor Units (GPU)}},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/ISAPE.2006.353223}}
 
 @article{LiPoKoTr04,
-	Author = {Qinya Liu and Jascha Polet and Dimitri Komatitsch and Jeroen Tromp},
-	Doi = {10.1785/012004038},
-	Journal = bssa,
-	Number = {5},
-	Pages = {1748-1761},
-	Title = {Spectral-element moment tensor inversions for earthquakes in {S}outhern {C}alifornia},
-	Volume = {94},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/012004038}}
+        Author = {Qinya Liu and Jascha Polet and Dimitri Komatitsch and Jeroen Tromp},
+        Doi = {10.1785/012004038},
+        Journal = bssa,
+        Number = {5},
+        Pages = {1748-1761},
+        Title = {Spectral-element moment tensor inversions for earthquakes in {S}outhern {C}alifornia},
+        Volume = {94},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/012004038}}
 
 @article{Priscoetal2007,
-	Author = {C. di Prisco and M. Stupazzini and C. Zambelli},
-	Doi = {10.1002/nag.553},
-	Journal = {Int. J. Numer. Anal. Meth. Geomech},
-	Pages = {757--788},
-	Title = {Nonlinear SEM numerical analyses of dry dense sand specimens under rapid and dynamic loading},
-	Volume = {31},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/nag.553}}
+        Author = {C. di Prisco and M. Stupazzini and C. Zambelli},
+        Doi = {10.1002/nag.553},
+        Journal = {Int. J. Numer. Anal. Meth. Geomech},
+        Pages = {757--788},
+        Title = {Nonlinear SEM numerical analyses of dry dense sand specimens under rapid and dynamic loading},
+        Volume = {31},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/nag.553}}
 
 @article{LiTa97,
-	Author = {Q. Liu and J. Tao},
-	Journal = jasa,
-	Number = {4},
-	Pages = {2072-2082},
-	Title = {The perfectly matched layer for acoustic waves in absorptive media},
-	Volume = {102},
-	Year = {1997}}
+        Author = {Q. Liu and J. Tao},
+        Journal = jasa,
+        Number = {4},
+        Pages = {2072-2082},
+        Title = {The perfectly matched layer for acoustic waves in absorptive media},
+        Volume = {102},
+        Year = {1997}}
 
 @article{LiTr08,
-	Author = {Q. Liu and J. Tromp},
-	Doi = {10.1111/j.1365-246X.2008.03798.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {265-286},
-	Title = {Finite-frequency sensitivity kernels for global seismic wave propagation based upon adjoint methods},
-	Volume = {174},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2008.03798.x}}
+        Author = {Q. Liu and J. Tromp},
+        Doi = {10.1111/j.1365-246X.2008.03798.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {265-286},
+        Title = {Finite-frequency sensitivity kernels for global seismic wave propagation based upon adjoint methods},
+        Volume = {174},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2008.03798.x}}
 
 @article{LiTr06,
-	Author = {Qinya Liu and Jeroen Tromp},
-	Doi = {10.1785/0120060041},
-	Journal = bssa,
-	Number = {6},
-	Pages = {2383-2397},
-	Title = {Finite-Frequency Kernels Based on Adjoint Methods},
-	Volume = {96},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120060041}}
+        Author = {Qinya Liu and Jeroen Tromp},
+        Doi = {10.1785/0120060041},
+        Journal = bssa,
+        Number = {6},
+        Pages = {2383-2397},
+        Title = {Finite-Frequency Kernels Based on Adjoint Methods},
+        Volume = {96},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120060041}}
 
 @article{Lo91,
-	Author = {P. Lognonn\'{e}},
-	Journal = jgr,
-	Pages = {20309-20319},
-	Title = {Normal modes and seismograms in an anelastic rotating {E}arth},
-	Volume = {91},
-	Year = {1991}}
+        Author = {P. Lognonn\'{e}},
+        Journal = jgr,
+        Pages = {20309-20319},
+        Title = {Normal modes and seismograms in an anelastic rotating {E}arth},
+        Volume = {91},
+        Year = {1991}}
 
 @article{LoRo90,
-	Author = {P. Lognonn\'{e} and B. Romanowicz},
-	Journal = gji,
-	Pages = {365-395},
-	Title = {Modeling of coupled normal modes of the {E}arth: the spectral method},
-	Volume = {102},
-	Year = {1990}}
+        Author = {P. Lognonn\'{e} and B. Romanowicz},
+        Journal = gji,
+        Pages = {365-395},
+        Title = {Modeling of coupled normal modes of the {E}arth: the spectral method},
+        Volume = {102},
+        Year = {1990}}
 
 @article{LoPi04,
-	Author = {B. Lombard and J. Piraux},
-	Doi = {10.1016/j.jcp.2003.09.024},
-	Journal = jcp,
-	Number = {1},
-	Pages = {90-116},
-	Title = {Numerical treatment of two-dimensional interfaces for acoustic and elastic waves},
-	Volume = {195},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2003.09.024}}
+        Author = {B. Lombard and J. Piraux},
+        Doi = {10.1016/j.jcp.2003.09.024},
+        Journal = jcp,
+        Number = {1},
+        Pages = {90-116},
+        Title = {Numerical treatment of two-dimensional interfaces for acoustic and elastic waves},
+        Volume = {195},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2003.09.024}}
 
 @article{LoPiGeVi08,
-	Author = {B. Lombard and J. Piraux and C. G\'elis and J. Virieux},
-	Doi = {10.1111/j.1365-246X.2007.03620.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {252-261},
-	Title = {Free and smooth boundaries in 2-{D} finite-difference schemes for transient elastic waves},
-	Volume = {172},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2007.03620.x}}
+        Author = {B. Lombard and J. Piraux and C. G\'elis and J. Virieux},
+        Doi = {10.1111/j.1365-246X.2007.03620.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {252-261},
+        Title = {Free and smooth boundaries in 2-{D} finite-difference schemes for transient elastic waves},
+        Volume = {172},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2007.03620.x}}
 
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-	Author = {D. E. Loper and T. Lay},
-	Journal = {Journal of Geophysical Research-Solid Earth},
-	Pages = {6397-6420},
-	Title = {The core-mantle boundary region},
-	Volume = {100},
-	Year = {1995}}
+        Author = {D. E. Loper and T. Lay},
+        Journal = {Journal of Geophysical Research-Solid Earth},
+        Pages = {6397-6420},
+        Title = {The core-mantle boundary region},
+        Volume = {100},
+        Year = {1995}}
 
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-	Pages = {16-37},
-	Title = {Surface waves, limiting waves and exceptional waves: David Barnett's role in the development of the theory},
-	Volume = {14},
-	Year = {2009}}
+        Author = {J. Lothe and V.I. Alshits},
+        Journal = {Mathematics and Mechanics of Solids},
+        Pages = {16-37},
+        Title = {Surface waves, limiting waves and exceptional waves: David Barnett's role in the development of the theory},
+        Volume = {14},
+        Year = {2009}}
 
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-	Journal = {Soviet Physics Crystallography},
-	Pages = {519-525},
-	Title = {Existence criterion for quasi-bulk surface waves},
-	Volume = {22},
-	Year = {1977}}
+        Author = {J. Lothe and V. I. Alshits},
+        Journal = {Soviet Physics Crystallography},
+        Pages = {519-525},
+        Title = {Existence criterion for quasi-bulk surface waves},
+        Volume = {22},
+        Year = {1977}}
 
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-	Author = {J. Lothe and D. M. Barnett},
-	Journal = {Journal of Applied Physics},
-	Pages = {428-433},
-	Title = {On the existence of surface-wave solutions for anisotropic elastic half-spaces with free surface},
-	Volume = {47},
-	Year = {1976}}
+        Author = {J. Lothe and D. M. Barnett},
+        Journal = {Journal of Applied Physics},
+        Pages = {428-433},
+        Title = {On the existence of surface-wave solutions for anisotropic elastic half-spaces with free surface},
+        Volume = {47},
+        Year = {1976}}
 
 @article{LotWan95,
-	Author = {J. Lothe and L. Wang},
-	Journal = {Wave Motion},
-	Pages = {163-181},
-	Title = {Self-orthogonal sextic formalism for anisotropic elastic media: spaces of simple reflection and two-component surface waves},
-	Volume = {21},
-	Year = {1995}}
+        Author = {J. Lothe and L. Wang},
+        Journal = {Wave Motion},
+        Pages = {163-181},
+        Title = {Self-orthogonal sextic formalism for anisotropic elastic media: spaces of simple reflection and two-component surface waves},
+        Volume = {21},
+        Year = {1995}}
 
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-	Author = {J. Lothe and L. Wang},
-	Journal = {Wave Motion},
-	Pages = {41-56},
-	Title = {Properties of {T}ype 6 transonic states with respect to grazing incidence reflection of bulk waves at planar free or clamped surfaces of half-infinite elastically anisotropic media},
-	Volume = {20},
-	Year = {1994}}
+        Author = {J. Lothe and L. Wang},
+        Journal = {Wave Motion},
+        Pages = {41-56},
+        Title = {Properties of {T}ype 6 transonic states with respect to grazing incidence reflection of bulk waves at planar free or clamped surfaces of half-infinite elastically anisotropic media},
+        Volume = {20},
+        Year = {1994}}
 
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-	Address = {Cambridge},
-	Author = {A. E. H. Love},
-	Publisher = {Cambridge University Press},
-	Title = {Some problems of geodynamics},
-	Year = {1911}}
+        Address = {Cambridge},
+        Author = {A. E. H. Love},
+        Publisher = {Cambridge University Press},
+        Title = {Some problems of geodynamics},
+        Year = {1911}}
 
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-	Author = {P. Lovely and J. Shaw and Q. Liu and J. Tromp},
-	Journal = bssa,
-	Pages = {1882-1896},
-	Title = {A structural model of the {S}alton {T}rough and its implications for seismic hazard},
-	Volume = {96},
-	Year = {2006}}
+        Author = {P. Lovely and J. Shaw and Q. Liu and J. Tromp},
+        Journal = bssa,
+        Pages = {1882-1896},
+        Title = {A structural model of the {S}alton {T}rough and its implications for seismic hazard},
+        Volume = {96},
+        Year = {2006}}
 
 @article{LuPaXu05,
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-	Doi = {10.1121/1.2114627},
-	Journal = jasa,
-	Number = {6},
-	Pages = {3408-3419},
-	Title = {Time-domain calculation of acoustical wave propagation in discontinuous media using acoustical wave propagator with mapped pseudospectral method},
-	Volume = {118},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1121/1.2114627}}
+        Author = {Jing Lu and Jie Pan and Boling Xu},
+        Doi = {10.1121/1.2114627},
+        Journal = jasa,
+        Number = {6},
+        Pages = {3408-3419},
+        Title = {Time-domain calculation of acoustical wave propagation in discontinuous media using acoustical wave propagator with mapped pseudospectral method},
+        Volume = {118},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1121/1.2114627}}
 
 @article{LuZh07,
-	Author = {Y. Y. Lu and J. Zhu},
-	Journal = cmes,
-	Number = {3},
-	Pages = {235-248},
-	Title = {Perfectly matched layer for acoustic waveguide modeling - {B}enchmark calculations and perturbation analysis},
-	Volume = {22},
-	Year = {2007}}
+        Author = {Y. Y. Lu and J. Zhu},
+        Journal = cmes,
+        Number = {3},
+        Pages = {235-248},
+        Title = {Perfectly matched layer for acoustic waveguide modeling - {B}enchmark calculations and perturbation analysis},
+        Volume = {22},
+        Year = {2007}}
 
 @book{Lub90,
-	Address = {New York},
-	Author = {Jacob Lubliner},
-	Publisher = {Macmillan Publishing Company},
-	Title = {Plasticity theory},
-	Year = {1990}}
+        Address = {New York},
+        Author = {Jacob Lubliner},
+        Publisher = {Macmillan Publishing Company},
+        Title = {Plasticity theory},
+        Year = {1990}}
 
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-	Author = {J. E. Luco and F. C. P. de Barros},
-	Journal = eesd,
-	Pages = {109-125},
-	Title = {Three-dimensional response of a layered valley embedded in a layered half-space},
-	Volume = {24},
-	Year = {1995}}
+        Author = {J. E. Luco and F. C. P. de Barros},
+        Journal = eesd,
+        Pages = {109-125},
+        Title = {Three-dimensional response of a layered valley embedded in a layered half-space},
+        Volume = {24},
+        Year = {1995}}
 
 @book{LuPi96,
-	Address = {Paris},
-	Author = {Brigitte Lucquin and Olivier Pironneau},
-	Publisher = {Masson},
-	Title = {Introduction au calcul scientifique},
-	Year = {1996}}
+        Address = {Paris},
+        Author = {Brigitte Lucquin and Olivier Pironneau},
+        Publisher = {Masson},
+        Title = {Introduction au calcul scientifique},
+        Year = {1996}}
 
 @article{LuHu92,
-	Author = {R. J. Luebbers and F. Hunsberger},
-	Journal = {IEEE Transactions on Antennas and Propagation},
-	Number = {11},
-	Pages = {1297-1301},
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-	Volume = {40},
-	Year = {1992}}
+        Author = {R. J. Luebbers and F. Hunsberger},
+        Journal = {IEEE Transactions on Antennas and Propagation},
+        Number = {11},
+        Pages = {1297-1301},
+        Title = {{FDTD} for {N}th-Order Dispersive Media},
+        Volume = {40},
+        Year = {1992}}
 
 @article{Luo01,
-	Author = {Luo, S-N. and S. Ni and D. V. Helmberger},
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-	Pages = {155-164},
-	Title = {Evidence for a sharp lateral variation of velocity at the core-mantle boundary from multipathed {PKP}ab},
-	Volume = {189},
-	Year = {2001}}
+        Author = {Luo, S-N. and S. Ni and D. V. Helmberger},
+        Journal = epsl,
+        Pages = {155-164},
+        Title = {Evidence for a sharp lateral variation of velocity at the core-mantle boundary from multipathed {PKP}ab},
+        Volume = {189},
+        Year = {2001}}
 
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-	Author = {Y. Luo and G. Schuster},
-	Journal = grl,
-	Pages = {155-158},
-	Title = {Parsimonious staggered grid finite-differencing of the wave equation},
-	Volume = {17},
-	Year = {1990}}
+        Author = {Y. Luo and G. Schuster},
+        Journal = grl,
+        Pages = {155-158},
+        Title = {Parsimonious staggered grid finite-differencing of the wave equation},
+        Volume = {17},
+        Year = {1990}}
 
 @incollection{LuHo87,
-	Address = {Old Tappan, New Jersey},
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-	Pages = {259-283},
-	Publisher = {Prentice-Hall},
-	Title = {Neogene crustal rotations, fault slip and basin development in southern {C}alifornia},
-	Year = {1987}}
+        Address = {Old Tappan, New Jersey},
+        Author = {B. P. Luyendyk and J. S. Hornafius},
+        Booktitle = {Cenozoic basin development of coastal {C}alifornia},
+        Editor = {R. V. Ingersoll and W. G. Ernst},
+        Pages = {259-283},
+        Publisher = {Prentice-Hall},
+        Title = {Neogene crustal rotations, fault slip and basin development in southern {C}alifornia},
+        Year = {1987}}
 
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-	Author = {F. Luz\'on and S. A. Gil-Zepeda and F. J. S\'anchez-Sesma and C. Ortiz-Alem\'an},
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-	Volume = {156},
-	Year = {2004}}
+        Author = {F. Luz\'on and S. A. Gil-Zepeda and F. J. S\'anchez-Sesma and C. Ortiz-Alem\'an},
+        Journal = gji,
+        Pages = {584-594},
+        Title = {Three-dimensional simulation of ground motion in the {Z}afarraya basin (southern {S}pain) up to 1.335~{H}z under incident plane waves},
+        Volume = {156},
+        Year = {2004}}
 
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-	Volume = {129},
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+        Author = {F. Luz\'on and F. J. S\'anchez-Sesma and J. L. Rodr{\'\i}guez-Z\'u{\~{n}}iga and A. M. Posadas and J. M. Garc{\'\i}a and J. Mart{\'\i}n and M. D. Romacho and M. Navarro},
+        Journal = gji,
+        Pages = {571-578},
+        Title = {Diffraction of {{\it P}}, {{\it S}} and {R}ayleigh waves by three-dimensional topographies},
+        Volume = {129},
+        Year = {1997}}
 
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+        Journal = {Proceedings of Symposia in Applied Mathematics},
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+        Title = {A survey of numerical cubature over triangles},
+        Volume = {48},
+        Year = {1994}}
 
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-	Year = {1972}}
+        Address = {New York, USA},
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+        Chapter = {6},
+        Editor = {B. Alder and S. Fernbach and B. A. Bolt},
+        Pages = {181-216},
+        Publisher = {Academic Press},
+        Title = {A finite element method for seismology},
+        Volume = {11},
+        Year = {1972}}
 
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-	Volume = {4},
-	Year = {1969}}
+        Author = {J. Lysmer and R. L. Kuhlemeyer},
+        Journal = {J. Eng. Mech. Div. ASCE 95 EM},
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+        Title = {Finite dynamic model for infinite media},
+        Volume = {4},
+        Year = {1969}}
 
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-	Volume = {17},
-	Year = {1975}}
+        Author = {V. N. Lyubimov and D. G. Sannikov},
+        Journal = {Soviet Solid State Physics},
+        Number = {2},
+        Pages = {478-483},
+        Title = {Surface quasi-bulk waves in the neighbourhood of exceptional directions and surfaces in crystals},
+        Volume = {17},
+        Year = {1975}}
 
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-	Year = {1985}}
+        Author = {G. M\"{u}ller},
+        Journal = {Journal of Geophysics},
+        Pages = {153-174},
+        Title = {The reflectivity method: a tutorial},
+        Volume = {58},
+        Year = {1985}}
 
 @article{MeRo00,
-	Author = {Charles M\'{e}gnin and Barabara Romanowicz},
-	Journal = gji,
-	Pages = {709-728},
-	Title = {The 3{D} shear velocity structure of the mantle from the inversion of body, surface and higher modes wave forms},
-	Volume = {143},
-	Year = {2000}}
+        Author = {Charles M\'{e}gnin and Barabara Romanowicz},
+        Journal = gji,
+        Pages = {709-728},
+        Title = {The 3{D} shear velocity structure of the mantle from the inversion of body, surface and higher modes wave forms},
+        Volume = {143},
+        Year = {2000}}
 
 @article{MaLi06,
-	Author = {Shuo Ma and Pengcheng Liu},
-	Doi = {10.1785/0120050219},
-	Journal = bssa,
-	Number = {5},
-	Pages = {1779-1794},
-	Title = {Modeling of the Perfectly Matched Layer Absorbing Boundaries and Intrinsic Attenuation in Explicit Finite-Element Methods},
-	Volume = {96},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120050219}}
+        Author = {Shuo Ma and Pengcheng Liu},
+        Doi = {10.1785/0120050219},
+        Journal = bssa,
+        Number = {5},
+        Pages = {1779-1794},
+        Title = {Modeling of the Perfectly Matched Layer Absorbing Boundaries and Intrinsic Attenuation in Explicit Finite-Element Methods},
+        Volume = {96},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120050219}}
 
 @incollection{Mad83,
-	Address = {Amsterdam},
-	Author = {R. Madariaga},
-	Booktitle = {Earthquakes, Observation Theory and Interpretation},
-	Editor = {H. Kanamori and E. Boschi},
-	Note = {The Enrico Fermi Summer School of Physics, 55th course},
-	Publisher = {North-Holland},
-	Title = {Earthquake source theory: a review},
-	Year = {1983}}
+        Address = {Amsterdam},
+        Author = {R. Madariaga},
+        Booktitle = {Earthquakes, Observation Theory and Interpretation},
+        Editor = {H. Kanamori and E. Boschi},
+        Note = {The Enrico Fermi Summer School of Physics, 55th course},
+        Publisher = {North-Holland},
+        Title = {Earthquake source theory: a review},
+        Year = {1983}}
 
 @article{Mad87,
-	Author = {R. Madariaga},
-	Journal = {Encyclopedia of Physical Science and Technology},
-	Pages = {519-533},
-	Title = {Seismology, theoretical},
-	Volume = {12},
-	Year = {1987}}
+        Author = {R. Madariaga},
+        Journal = {Encyclopedia of Physical Science and Technology},
+        Pages = {519-533},
+        Title = {Seismology, theoretical},
+        Volume = {12},
+        Year = {1987}}
 
 @article{Mad76,
-	Author = {R. Madariaga},
-	Journal = bssa,
-	Number = {3},
-	Pages = {639-666},
-	Title = {Dynamics of an expanding circular fault},
-	Volume = {66},
-	Year = {1976}}
+        Author = {R. Madariaga},
+        Journal = bssa,
+        Number = {3},
+        Pages = {639-666},
+        Title = {Dynamics of an expanding circular fault},
+        Volume = {66},
+        Year = {1976}}
 
 @article{MaMePaRo93,
-	Author = {Y. Maday and D. Meiron and A. T. Patera and E. M. R{\o}nquist},
-	Journal = {SIAM J. Sci. Stat. Comput.},
-	Pages = {310-337},
-	Title = {Analysis of Iterative Methods for the Steady and Unsteady {S}tokes Problem: Application to {S}pectral {E}lement Discretizations},
-	Volume = {14},
-	Year = {1993}}
+        Author = {Y. Maday and D. Meiron and A. T. Patera and E. M. R{\o}nquist},
+        Journal = {SIAM J. Sci. Stat. Comput.},
+        Pages = {310-337},
+        Title = {Analysis of Iterative Methods for the Steady and Unsteady {S}tokes Problem: Application to {S}pectral {E}lement Discretizations},
+        Volume = {14},
+        Year = {1993}}
 
 @inproceedings{MaPa89,
-	Author = {Y. Maday and A. T. Patera},
-	Booktitle = {State of the art survey in computational mechanics},
-	Note = {{A}. K. Noor and J. T. Oden editors},
-	Pages = {71-143},
-	Title = {Spectral-element methods for the incompressible {N}avier-{S}tokes equations},
-	Year = {1989}}
+        Author = {Y. Maday and A. T. Patera},
+        Booktitle = {State of the art survey in computational mechanics},
+        Note = {{A}. K. Noor and J. T. Oden editors},
+        Pages = {71-143},
+        Title = {Spectral-element methods for the incompressible {N}avier-{S}tokes equations},
+        Year = {1989}}
 
 @article{MaQu82,
-	Author = {Y. Maday and A. Quarteroni},
-	Journal = {RAIRO Anal. Numer.},
-	Pages = {375-404},
-	Title = {Approximation of {B}urgers equation by pseudospectral methods},
-	Volume = {16},
-	Year = {1982}}
+        Author = {Y. Maday and A. Quarteroni},
+        Journal = {RAIRO Anal. Numer.},
+        Pages = {375-404},
+        Title = {Approximation of {B}urgers equation by pseudospectral methods},
+        Volume = {16},
+        Year = {1982}}
 
 @article{MaRo90,
-	Author = {Y. Maday and E. M. R{\o}nquist},
-	Journal = cmame,
-	Pages = {91-115},
-	Title = {Optimal error analysis of spectral methods with emphasis on non-constant coefficients and deformed geometries},
-	Volume = {80},
-	Year = {1990}}
+        Author = {Y. Maday and E. M. R{\o}nquist},
+        Journal = cmame,
+        Pages = {91-115},
+        Title = {Optimal error analysis of spectral methods with emphasis on non-constant coefficients and deformed geometries},
+        Volume = {80},
+        Year = {1990}}
 
 @article{MaKoDi09,
-	Author = {Ronan Madec and Dimitri Komatitsch and Julien Diaz},
-	Journal = cmes,
-	Number = {2},
-	Pages = {163-189},
-	Title = {Energy-conserving local time stepping based on high-order finite elements for seismic wave propagation across a fluid-solid interface},
-	Volume = {49},
-	Year = {2009}}
+        Author = {Ronan Madec and Dimitri Komatitsch and Julien Diaz},
+        Journal = cmes,
+        Number = {2},
+        Pages = {163-189},
+        Title = {Energy-conserving local time stepping based on high-order finite elements for seismic wave propagation across a fluid-solid interface},
+        Volume = {49},
+        Year = {2009}}
 
 @article{MaDaClGr2000,
-	Author = {H. Magistrale and S. Day and R. W. Clayton and R. Graves},
-	Journal = bssa,
-	Pages = {S65-S76},
-	Title = {The {SCEC} {S}outhern {C}alifornia reference three-dimensional seismic velocity model version~2},
-	Volume = {90},
-	Year = {2000}}
+        Author = {H. Magistrale and S. Day and R. W. Clayton and R. Graves},
+        Journal = bssa,
+        Pages = {S65-S76},
+        Title = {The {SCEC} {S}outhern {C}alifornia reference three-dimensional seismic velocity model version~2},
+        Volume = {90},
+        Year = {2000}}
 
 @article{MaMcDa96,
-	Author = {H. Magistrale and K. McLaughlin and S. Day},
-	Journal = bssa,
-	Pages = {1161-1166},
-	Title = {A geology based 3-{D} velocity model of the {L}os {A}ngeles basin sediments},
-	Volume = {86},
-	Year = {1996}}
+        Author = {H. Magistrale and K. McLaughlin and S. Day},
+        Journal = bssa,
+        Pages = {1161-1166},
+        Title = {A geology based 3-{D} velocity model of the {L}os {A}ngeles basin sediments},
+        Volume = {86},
+        Year = {1996}}
 
 @article{MaMoTa94,
-	Author = {S. A. Magnier and P. Mora and A. Tarantola},
-	Journal = geophysics,
-	Pages = {1435-1443},
-	Title = {Finite differences on minimal grids},
-	Volume = {59},
-	Year = {1994}}
+        Author = {S. A. Magnier and P. Mora and A. Tarantola},
+        Journal = geophysics,
+        Pages = {1435-1443},
+        Title = {Finite differences on minimal grids},
+        Volume = {59},
+        Year = {1994}}
 
 @article{Mah90,
-	Author = {K. D. Mahrer},
-	Journal = bssa,
-	Pages = {213-217},
-	Title = {Numerical time step instability and {S}tacey's and {C}layton-{E}ngquist's absorbing boundary conditions},
-	Volume = {80},
-	Year = {1990}}
+        Author = {K. D. Mahrer},
+        Journal = bssa,
+        Pages = {213-217},
+        Title = {Numerical time step instability and {S}tacey's and {C}layton-{E}ngquist's absorbing boundary conditions},
+        Volume = {80},
+        Year = {1990}}
 
 @article{Mainprice08,
-	Author = {Mainprice, D. and A. Tommasi and D. Ferre and P. Carrez and P. Cordier},
-	Journal = epsl,
-	Pages = {135--144},
-	Title = {Predicted glide systems and crystal preferred orientations of polycrystalline silicate {M}g-Perovskite at high pressure: {I}mplications for the seismic anisotropy in the lower mantle},
-	Volume = {271},
-	Year = {2008}}
+        Author = {Mainprice, D. and A. Tommasi and D. Ferre and P. Carrez and P. Cordier},
+        Journal = epsl,
+        Pages = {135--144},
+        Title = {Predicted glide systems and crystal preferred orientations of polycrystalline silicate {M}g-Perovskite at high pressure: {I}mplications for the seismic anisotropy in the lower mantle},
+        Volume = {271},
+        Year = {2008}}
 
 @article{MaKn66,
-	Author = {A. K. Mal and L. Knopoff},
-	Journal = bssa,
-	Pages = {455-466},
-	Title = {Transmission of {R}ayleigh waves at a corner},
-	Volume = {56},
-	Year = {1966}}
+        Author = {A. K. Mal and L. Knopoff},
+        Journal = bssa,
+        Pages = {455-466},
+        Title = {Transmission of {R}ayleigh waves at a corner},
+        Volume = {56},
+        Year = {1966}}
 
 @article{Mal89,
-	Author = {S. G. Mallat},
-	Journal = {Transactions of the AMS},
-	Pages = {9999998-9999999},
-	Title = {Multiresolution approximation and wavelet orthonormal bases of ${L}^2({R})$},
-	Volume = {135},
-	Year = {1989}}
+        Author = {S. G. Mallat},
+        Journal = {Transactions of the AMS},
+        Pages = {9999998-9999999},
+        Title = {Multiresolution approximation and wavelet orthonormal bases of ${L}^2({R})$},
+        Volume = {135},
+        Year = {1989}}
 
 @article{Mal88,
-	Author = {S. G. Mallat},
-	Journal = {Communications in Pure and Applied Mathematics},
-	Pages = {9999998-9999999},
-	Title = {A theory for multiresolution signal decomposition: the wavelet representation},
-	Volume = {41},
-	Year = {1988}}
+        Author = {S. G. Mallat},
+        Journal = {Communications in Pure and Applied Mathematics},
+        Pages = {9999998-9999999},
+        Title = {A theory for multiresolution signal decomposition: the wavelet representation},
+        Volume = {41},
+        Year = {1988}}
 
 @article{Mal97,
-	Author = {J. L. Mallet},
-	Journal = {Math. Geol.},
-	Pages = {199-219},
-	Title = {Discrete modeling for natural objects},
-	Volume = {29},
-	Year = {1997}}
+        Author = {J. L. Mallet},
+        Journal = {Math. Geol.},
+        Pages = {199-219},
+        Title = {Discrete modeling for natural objects},
+        Volume = {29},
+        Year = {1997}}
 
 @article{Mal92,
-	Author = {J. L. Mallet},
-	Journal = {Computer-Aided Design},
-	Pages = {178-191},
-	Title = {Discrete smooth interpolation in geometric modeling},
-	Volume = {24},
-	Year = {1992}}
+        Author = {J. L. Mallet},
+        Journal = {Computer-Aided Design},
+        Pages = {178-191},
+        Title = {Discrete smooth interpolation in geometric modeling},
+        Volume = {24},
+        Year = {1992}}
 
 @book{MaBe88,
-	Address = {London},
-	Author = {G. Manolis and D. E. Beskos},
-	Publisher = {Umwin Hyman},
-	Title = {Boundary element methods in elastodynamics},
-	Year = {1988}}
+        Address = {London},
+        Author = {G. Manolis and D. E. Beskos},
+        Publisher = {Umwin Hyman},
+        Title = {Boundary element methods in elastodynamics},
+        Year = {1988}}
 
 @article{MaOl03,
-	Author = {Carey Marcinkovich and Kim Bak Olsen},
-	Doi = {10.1029/2002JB002235},
-	Journal = jgr,
-	Number = {B5},
-	Pages = {2276},
-	Title = {On the implementation of perfectly matched layers in a three-dimensional fourth-order velocity-stress finite-difference scheme},
-	Volume = {108},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2002JB002235}}
+        Author = {Carey Marcinkovich and Kim Bak Olsen},
+        Doi = {10.1029/2002JB002235},
+        Journal = jgr,
+        Number = {B5},
+        Pages = {2276},
+        Title = {On the implementation of perfectly matched layers in a three-dimensional fourth-order velocity-stress finite-difference scheme},
+        Volume = {108},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2002JB002235}}
 
 @article{Mar84,
-	Author = {K. J. Marfurt},
-	Journal = geophysics,
-	Number = {5},
-	Pages = {533-549},
-	Title = {Accuracy of finite-difference and finite-element modeling of the scalar and elastic wave equation},
-	Volume = {49},
-	Year = {1984}}
+        Author = {K. J. Marfurt},
+        Journal = geophysics,
+        Number = {5},
+        Pages = {533-549},
+        Title = {Accuracy of finite-difference and finite-element modeling of the scalar and elastic wave equation},
+        Volume = {49},
+        Year = {1984}}
 
 @article{MaGu69,
-	Author = {L. Martel and S. K. Gupta},
-	Journal = {Ann. G\'eophys.},
-	Number = {4},
-	Pages = {973-979},
-	Title = {{\`A} propos des ondes de {R}ayleigh sur une surface courbe},
-	Volume = {25},
-	Year = {1969}}
+        Author = {L. Martel and S. K. Gupta},
+        Journal = {Ann. G\'eophys.},
+        Number = {4},
+        Pages = {973-979},
+        Title = {{\`A} propos des ondes de {R}ayleigh sur une surface courbe},
+        Volume = {25},
+        Year = {1969}}
 
 @article{MaKo09,
-	Author = {Roland Martin and Dimitri Komatitsch},
-	Doi = {10.1111/j.1365-246X.2009.04278.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {333-344},
-	Title = {An unsplit convolutional perfectly matched layer technique improved at grazing incidence for the viscoelastic wave equation},
-	Volume = {179},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2009.04278.x}}
+        Author = {Roland Martin and Dimitri Komatitsch},
+        Doi = {10.1111/j.1365-246X.2009.04278.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {333-344},
+        Title = {An unsplit convolutional perfectly matched layer technique improved at grazing incidence for the viscoelastic wave equation},
+        Volume = {179},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2009.04278.x}}
 
 @article{MaKo06,
-	Author = {Roland Martin and Dimitri Komatitsch},
-	Journal = {Geophysical Research Abstracts},
-	Month = {April},
-	Note = {Abstract EGU06-A-03988, www.cosis.net/abstracts/EGU06/03988/EGU06-J-03988-1.pdf},
-	Pages = {03988},
-	Title = {An optimized Convolution-Perfectly Matched Layer {(C-PML)} absorbing technique for {3D} seismic wave simulation based on a finite-difference method},
-	Volume = {8},
-	Year = {2006}}
+        Author = {Roland Martin and Dimitri Komatitsch},
+        Journal = {Geophysical Research Abstracts},
+        Month = {April},
+        Note = {Abstract EGU06-A-03988, www.cosis.net/abstracts/EGU06/03988/EGU06-J-03988-1.pdf},
+        Pages = {03988},
+        Title = {An optimized Convolution-Perfectly Matched Layer {(C-PML)} absorbing technique for {3D} seismic wave simulation based on a finite-difference method},
+        Volume = {8},
+        Year = {2006}}
 
 @article{MaKoBa05,
-	Author = {Roland Martin and Dimitri Komatitsch and H\'el\`ene Barucq},
-	Journal = {Eos Trans. AGU},
-	Month = {December},
-	Note = {www.agu.org/meetings/fm05/waisfm05.html},
-	Number = {52},
-	Pages = {Fall Meet. Suppl., Abstract NG43B-0574},
-	Title = {An optimized Convolution-Perfectly Matched Layer {(C-PML)} absorbing technique for {3D} seismic wave simulation based on a finite-difference method},
-	Volume = {86},
-	Year = {2005}}
+        Author = {Roland Martin and Dimitri Komatitsch and H\'el\`ene Barucq},
+        Journal = {Eos Trans. AGU},
+        Month = {December},
+        Note = {www.agu.org/meetings/fm05/waisfm05.html},
+        Number = {52},
+        Pages = {Fall Meet. Suppl., Abstract NG43B-0574},
+        Title = {An optimized Convolution-Perfectly Matched Layer {(C-PML)} absorbing technique for {3D} seismic wave simulation based on a finite-difference method},
+        Volume = {86},
+        Year = {2005}}
 
 @article{MaKoBlLe08,
-	Author = {Roland Martin and Dimitri Komatitsch and C\'eline Blitz and Nicolas {Le Goff}},
-	Journal = lncs,
-	Pages = {350-363},
-	Title = {Simulation of seismic wave propagation in an asteroid based upon an unstructured {MPI} spectral-element method: blocking and non-blocking communication strategies},
-	Volume = {5336},
-	Year = {2008}}
+        Author = {Roland Martin and Dimitri Komatitsch and C\'eline Blitz and Nicolas {Le Goff}},
+        Journal = lncs,
+        Pages = {350-363},
+        Title = {Simulation of seismic wave propagation in an asteroid based upon an unstructured {MPI} spectral-element method: blocking and non-blocking communication strategies},
+        Volume = {5336},
+        Year = {2008}}
 
 @article{MaKoEz08,
-	Author = {Roland Martin and Dimitri Komatitsch and Abdela\^aziz Ezziani},
-	Doi = {10.1190/1.2939484},
-	Journal = geophysics,
-	Number = {4},
-	Pages = {T51-T61},
-	Title = {An unsplit convolutional perfectly matched layer improved at grazing incidence for seismic wave equation in poroelastic media},
-	Volume = {73},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2939484}}
+        Author = {Roland Martin and Dimitri Komatitsch and Abdela\^aziz Ezziani},
+        Doi = {10.1190/1.2939484},
+        Journal = geophysics,
+        Number = {4},
+        Pages = {T51-T61},
+        Title = {An unsplit convolutional perfectly matched layer improved at grazing incidence for seismic wave equation in poroelastic media},
+        Volume = {73},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2939484}}
 
 @article{MaKoGe08,
-	Author = {Roland Martin and Dimitri Komatitsch and Stephen D. Gedney},
-	Journal = cmes,
-	Number = {3},
-	Pages = {274-304},
-	Title = {A variational formulation of a stabilized unsplit convolutional perfectly matched layer for the isotropic or anisotropic seismic wave equation},
-	Volume = {37},
-	Year = {2008}}
+        Author = {Roland Martin and Dimitri Komatitsch and Stephen D. Gedney},
+        Journal = cmes,
+        Number = {3},
+        Pages = {274-304},
+        Title = {A variational formulation of a stabilized unsplit convolutional perfectly matched layer for the isotropic or anisotropic seismic wave equation},
+        Volume = {37},
+        Year = {2008}}
 
+ at article{MaCo2010,
+        Author = {Roland Martin and Carlos Couder-Castaneda},
+        Journal = cmes,
+        Number = {1},
+        Pages = {47-77},
+        Title = {An improved unsplit and convolutional perfectly matched layer ({CPML}) absorbing technique for the {N}avier-{S}tokes equations using cut-off frequency shift},
+        Volume = {63},
+        Year = {2010}}
+
 @article{MaKoGeBr10,
-	Author = {Roland Martin and Dimitri Komatitsch and Stephen D. Gedney and Emilien Bruthiaux},
-	Journal = cmes,
-	Number = {1},
-	Pages = {17-42},
-	Title = {A high-order time and space formulation of the unsplit perfectly matched layer for the seismic wave equation using {Auxiliary Differential Equations (ADE-PML)}},
-	Volume = {56},
-	Year = {2010}}
+        Author = {Roland Martin and Dimitri Komatitsch and Stephen D. Gedney and Emilien Bruthiaux},
+        Journal = cmes,
+        Number = {1},
+        Pages = {17-42},
+        Title = {A high-order time and space formulation of the unsplit perfectly matched layer for the seismic wave equation using {Auxiliary Differential Equations (ADE-PML)}},
+        Volume = {56},
+        Year = {2010}}
 
 @article{MaKoMa11,
-	Author = {Roland Martin and Dimitri Komatitsch and Ronan Madec},
-	Journal = grl,
-	Note = {Submitted in October 2010.},
-	Title = {An improved perfectly matched layer for high-order finite element fluid-viscoelastic wave propagation and sensitivity kernel construction},
-	Year = {2011}}
+        Author = {Roland Martin and Dimitri Komatitsch and Ronan Madec},
+        Journal = grl,
+        Note = {Submitted in October 2010.},
+        Title = {An improved perfectly matched layer for high-order finite element fluid-viscoelastic wave propagation and sensitivity kernel construction},
+        Year = {2011}}
 
 @article{MaPr07,
-	Author = {Y. J. Masson and S. R. Pride},
-	Doi = {10.1029/2006JB004592},
-	Journal = jgr,
-	Number = {B3},
-	Pages = {B03204},
-	Title = {Poroelastic finite-difference modeling of seismic attenuation and dispersion due to mesoscopic-scale heterogeneity},
-	Volume = {112},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2006JB004592}}
+        Author = {Y. J. Masson and S. R. Pride},
+        Doi = {10.1029/2006JB004592},
+        Journal = jgr,
+        Number = {B3},
+        Pages = {B03204},
+        Title = {Poroelastic finite-difference modeling of seismic attenuation and dispersion due to mesoscopic-scale heterogeneity},
+        Volume = {112},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2006JB004592}}
 
 @article{Masson2006,
-	Author = {Y. J. Masson and S. R. Pride and K. T. Nihei},
-	Doi = {10.1029/2006JB004366},
-	Journal = jgr,
-	Pages = {B10305},
-	Title = {Finite-difference modelling of {B}iot's poroelastic equations at seismic frequencies},
-	Volume = {111},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2006JB004366}}
+        Author = {Y. J. Masson and S. R. Pride and K. T. Nihei},
+        Doi = {10.1029/2006JB004366},
+        Journal = jgr,
+        Pages = {B10305},
+        Title = {Finite-difference modelling of {B}iot's poroelastic equations at seismic frequencies},
+        Volume = {111},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2006JB004366}}
 
 @article{MaFe98,
-	Author = {D. Massonnet and Kurt L. Feigl},
-	Journal = {Reviews of Geophysics},
-	Pages = {441-500},
-	Title = {Radar interferometry and its application to changes in the {E}arth's surface},
-	Volume = {36},
-	Year = {1998}}
+        Author = {D. Massonnet and Kurt L. Feigl},
+        Journal = {Reviews of Geophysics},
+        Pages = {441-500},
+        Title = {Radar interferometry and its application to changes in the {E}arth's surface},
+        Volume = {36},
+        Year = {1998}}
 
 @article{MaSeGr96,
-	Author = {E. Matzel and M. K. Sen and S. P. Grand},
-	Journal = grl,
-	Number = {18},
-	Pages = {2417-2420},
-	Title = {Evidence for anisotropy in the deep mantle beneath {A}laska},
-	Volume = {23},
-	Year = {1996}}
+        Author = {E. Matzel and M. K. Sen and S. P. Grand},
+        Journal = grl,
+        Number = {18},
+        Pages = {2417-2420},
+        Title = {Evidence for anisotropy in the deep mantle beneath {A}laska},
+        Volume = {23},
+        Year = {1996}}
 
 @article{Mau94,
-	Author = {V. Maupin},
-	Journal = pepi,
-	Pages = {1-32},
-	Title = {On the possibility of anisotropy in the {D}'' layer as inferred from the polarization of diffracted {S} waves},
-	Volume = {87},
-	Year = {1994}}
+        Author = {V. Maupin},
+        Journal = pepi,
+        Pages = {1-32},
+        Title = {On the possibility of anisotropy in the {D}'' layer as inferred from the polarization of diffracted {S} waves},
+        Volume = {87},
+        Year = {1994}}
 
 @article{MazEve97,
-	Author = {A. A. Maznev and A. G. Every},
-	Journal = {International Journal of Engineering Science},
-	Number = {4},
-	Pages = {321-327},
-	Title = {Time-domain dynamic surface response of an anisotropic elastic solid to an impulsive line force},
-	Volume = {35},
-	Year = {1997}}
+        Author = {A. A. Maznev and A. G. Every},
+        Journal = {International Journal of Engineering Science},
+        Number = {4},
+        Pages = {321-327},
+        Title = {Time-domain dynamic surface response of an anisotropic elastic solid to an impulsive line force},
+        Volume = {35},
+        Year = {1997}}
 
 @article{MazEve95,
-	Author = {A. A. Maznev and A. G. Every},
-	Journal = {Physics Letters},
-	Pages = {423-427},
-	Title = {Secluded supersonic surface waves in germanium},
-	Volume = {A197},
-	Year = {1995}}
+        Author = {A. A. Maznev and A. G. Every},
+        Journal = {Physics Letters},
+        Pages = {423-427},
+        Title = {Secluded supersonic surface waves in germanium},
+        Volume = {A197},
+        Year = {1995}}
 
 @article{MazEve94,
-	Author = {A. A. Maznev and A. G. Every},
-	Journal = {Acta Acustica},
-	Pages = {137-143},
-	Title = {Ray surface and focusing of surface acoustic waves on the basal plane of cubic crystals},
-	Volume = {1},
-	Year = {1994}}
+        Author = {A. A. Maznev and A. G. Every},
+        Journal = {Acta Acustica},
+        Pages = {137-143},
+        Title = {Ray surface and focusing of surface acoustic waves on the basal plane of cubic crystals},
+        Volume = {1},
+        Year = {1994}}
 
 @article{MazKolHes95,
-	Author = {A. A. Maznev and Al. A. Kolomenskii and P. Hess},
-	Journal = {Physics Review Letters},
-	Number = {18},
-	Pages = {3332-3335},
-	Title = {Time-resolved cuspidal structure in the wavefront of surface acoustic pulses on (111) {G}allium {A}rsenide},
-	Volume = {75},
-	Year = {1995}}
+        Author = {A. A. Maznev and Al. A. Kolomenskii and P. Hess},
+        Journal = {Physics Review Letters},
+        Number = {18},
+        Pages = {3332-3335},
+        Title = {Time-resolved cuspidal structure in the wavefront of surface acoustic pulses on (111) {G}allium {A}rsenide},
+        Volume = {75},
+        Year = {1995}}
 
 @article{MazLomHesKol03,
-	Author = {A.A. Maznev and A. M. Lomonosov and P. Hess and Al. A. Kolomenskii},
-	Journal = {The European Physical Journal B},
-	Pages = {429-439},
-	Title = {Anisotropic effects in surface acoustic wave propagation from a point source in a crystal},
-	Volume = {35},
-	Year = {2003}}
+        Author = {A.A. Maznev and A. M. Lomonosov and P. Hess and Al. A. Kolomenskii},
+        Journal = {The European Physical Journal B},
+        Pages = {429-439},
+        Title = {Anisotropic effects in surface acoustic wave propagation from a point source in a crystal},
+        Volume = {35},
+        Year = {2003}}
 
 @book{Mcc57,
-	Address = {New York},
-	Author = {A. J. McConnell},
-	Publisher = {Dover Publications},
-	Title = {Applications of tensor analysis},
-	Year = {1957}}
+        Address = {New York},
+        Author = {A. J. McConnell},
+        Publisher = {Dover Publications},
+        Title = {Applications of tensor analysis},
+        Year = {1957}}
 
 @article{McCool:2004:SA,
-	Author = {Michael McCool and Stefanus {Du Toit} and Tiberiu S. Popa and Bryan Chan and Kevin Moule},
-	Doi = {10.1145/1015706.1015801},
-	Journal = {ACM Transactions on Graphics},
-	Month = aug,
-	Number = {3},
-	Pages = {787--795},
-	Title = {Shader Algebra},
-	Volume = {23},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1015706.1015801}}
+        Author = {Michael McCool and Stefanus {Du Toit} and Tiberiu S. Popa and Bryan Chan and Kevin Moule},
+        Doi = {10.1145/1015706.1015801},
+        Journal = {ACM Transactions on Graphics},
+        Month = aug,
+        Number = {3},
+        Pages = {787--795},
+        Title = {Shader Algebra},
+        Volume = {23},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1015706.1015801}}
 
 @article{McInAhMoRoCu07,
-	Author = {Patrick McCormick and Jeff Inman and James Ahrens and Jamaludin Mohd-Yusof and Greg Roth and Sharen Cummins},
-	Journal = {Parallel Computing},
-	Pages = {648-662},
-	Title = {Scout: a data-parallel programming language for graphics processors},
-	Volume = {33},
-	Year = {2007}}
+        Author = {Patrick McCormick and Jeff Inman and James Ahrens and Jamaludin Mohd-Yusof and Greg Roth and Sharen Cummins},
+        Journal = {Parallel Computing},
+        Pages = {648-662},
+        Title = {Scout: a data-parallel programming language for graphics processors},
+        Volume = {33},
+        Year = {2007}}
 
 @article{McC60,
-	Author = {T. H. McCulloh},
-	Journal = {U.S. Geological Survey Professional Paper},
-	Pages = {320-325},
-	Title = {Gravity variations and the geology of the {L}os {A}ngeles basin of {C}alifornia},
-	Volume = {400-B},
-	Year = {1960}}
+        Author = {T. H. McCulloh},
+        Journal = {U.S. Geological Survey Professional Paper},
+        Pages = {320-325},
+        Title = {Gravity variations and the geology of the {L}os {A}ngeles basin of {C}alifornia},
+        Volume = {400-B},
+        Year = {1960}}
 
 @article{McAl67,
-	Author = {A. McGarr and L. E. Alsop},
-	Journal = jgr,
-	Pages = {2169-2180},
-	Title = {Transmission and reflection of {R}ayleigh waves at vertical boundaries},
-	Volume = {72},
-	Year = {1967}}
+        Author = {A. McGarr and L. E. Alsop},
+        Journal = jgr,
+        Pages = {2169-2180},
+        Title = {Transmission and reflection of {R}ayleigh waves at vertical boundaries},
+        Volume = {72},
+        Year = {1967}}
 
 @article{McBaDaShSt92,
-	Author = {K. L. McLaughlin and T. G. Barker and S. M. Day and B. Shkoller and J. L. Stevens},
-	Journal = gji,
-	Pages = {291-308},
-	Title = {Effects of subduction zone structure on explosion-generated {R}ayleigh waves: 3{D} numerical simulations},
-	Volume = {111},
-	Year = {1992}}
+        Author = {K. L. McLaughlin and T. G. Barker and S. M. Day and B. Shkoller and J. L. Stevens},
+        Journal = gji,
+        Pages = {291-308},
+        Title = {Effects of subduction zone structure on explosion-generated {R}ayleigh waves: 3{D} numerical simulations},
+        Volume = {111},
+        Year = {1992}}
 
 @article{McDa94,
-	Author = {K. L. McLaughlin and S. M. Day},
-	Journal = {Computers in Physics},
-	Number = {6},
-	Pages = {656-663},
-	Title = {3-{D} elastic finite-difference seismic wave simulations},
-	Volume = {8},
-	Year = {1994}}
+        Author = {K. L. McLaughlin and S. M. Day},
+        Journal = {Computers in Physics},
+        Number = {6},
+        Pages = {656-663},
+        Title = {3-{D} elastic finite-difference seismic wave simulations},
+        Volume = {8},
+        Year = {1994}}
 
 @article{McJi88,
-	Author = {K. L. McLaughlin and R. S. Jih},
-	Journal = bssa,
-	Pages = {1399-1414},
-	Title = {Scattering from near-source topography: teleseismic observations and numerical simulations},
-	Volume = {78},
-	Year = {1988}}
+        Author = {K. L. McLaughlin and R. S. Jih},
+        Journal = bssa,
+        Pages = {1399-1414},
+        Title = {Scattering from near-source topography: teleseismic observations and numerical simulations},
+        Volume = {78},
+        Year = {1988}}
 
 @article{MeViSa06,
-	Author = {E. D. Mercerat and J. P. Vilotte and F. J. S\'anchez-Sesma},
-	Journal = gji,
-	Number = {2},
-	Pages = {679-698},
-	Title = {Triangular spectral-element simulation of two-dimensional elastic wave propagation using unstructured triangular grids},
-	Volume = {166},
-	Year = {2006}}
+        Author = {E. D. Mercerat and J. P. Vilotte and F. J. S\'anchez-Sesma},
+        Journal = gji,
+        Number = {2},
+        Pages = {679-698},
+        Title = {Triangular spectral-element simulation of two-dimensional elastic wave propagation using unstructured triangular grids},
+        Volume = {166},
+        Year = {2006}}
 
 @article{Merkel07,
-	Author = {Merkel, S. and A. K. McNamara and A. Kubo and S. Speziale and L. Miyagi and Y. Meng and T. S. Duffy and H. R. Wenk},
-	Journal = {Science},
-	Pages = {1729--1732},
-	Title = {Deformation of ({M}g,{F}e){S}i{O}3 post-perovskite and {D}'' anisotropy},
-	Volume = {316},
-	Year = {2007}}
+        Author = {Merkel, S. and A. K. McNamara and A. Kubo and S. Speziale and L. Miyagi and Y. Meng and T. S. Duffy and H. R. Wenk},
+        Journal = {Science},
+        Pages = {1729--1732},
+        Title = {Deformation of ({M}g,{F}e){S}i{O}3 post-perovskite and {D}'' anisotropy},
+        Volume = {316},
+        Year = {2007}}
 
 @article{MeMuGr08,
-	Author = {Peter Messmer and Paul J. Mullowney and Brian E. Granger},
-	Doi = {10.1109/MCSE.2008.135},
-	Journal = {Computing in Science and Engineering},
-	Number = {5},
-	Pages = {70-73},
-	Title = {{GPULib: GPU} Computing in High-Level Languages},
-	Volume = {10},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/MCSE.2008.135}}
+        Author = {Peter Messmer and Paul J. Mullowney and Brian E. Granger},
+        Doi = {10.1109/MCSE.2008.135},
+        Journal = {Computing in Science and Engineering},
+        Number = {5},
+        Pages = {70-73},
+        Title = {{GPULib: GPU} Computing in High-Level Languages},
+        Volume = {10},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/MCSE.2008.135}}
 
 @techreport{Top500,
-	Address = {Mannheim, Germany},
-	Author = {H. W. Meuer and E. Strohmaier and J. J. Dongarra and H. D. Simon},
-	Institution = {University of Mannheim},
-	Note = {{{\tt www.top500.org}}},
-	Title = {Top500 list of Supercomputer Sites},
-	Year = {2002}}
+        Address = {Mannheim, Germany},
+        Author = {H. W. Meuer and E. Strohmaier and J. J. Dongarra and H. D. Simon},
+        Institution = {University of Mannheim},
+        Note = {{{\tt www.top500.org}}},
+        Title = {Top500 list of Supercomputer Sites},
+        Year = {2002}}
 
 @article{Mey92,
-	Author = {Y. Meyer},
-	Journal = {Rev. Math. Iberoamericana},
-	Pages = {9999998-9999999},
-	Title = {Ondelettes sur l'intervalle},
-	Volume = {7},
-	Year = {1992}}
+        Author = {Y. Meyer},
+        Journal = {Rev. Math. Iberoamericana},
+        Pages = {9999998-9999999},
+        Title = {Ondelettes sur l'intervalle},
+        Volume = {7},
+        Year = {1992}}
 
 @book{Mey90,
-	Address = {Paris},
-	Author = {Y. Meyer},
-	Publisher = {Hermann},
-	Title = {Ondelettes et op\'erateurs},
-	Year = {1990}}
+        Address = {Paris},
+        Author = {Y. Meyer},
+        Publisher = {Hermann},
+        Title = {Ondelettes et op\'erateurs},
+        Year = {1990}}
 
 @techreport{Mey87,
-	Address = {Universit\'e Paris Dauphine},
-	Author = {Y. Meyer},
-	Institution = {Ceremade 8703},
-	Title = {Ondelettes, fonctions splines et analyses gradu\'ees},
-	Year = {1987}}
+        Address = {Universit\'e Paris Dauphine},
+        Author = {Y. Meyer},
+        Institution = {Ceremade 8703},
+        Title = {Ondelettes, fonctions splines et analyses gradu\'ees},
+        Year = {1987}}
 
 @article{MePa08,
-	Author = {Kristel C. Meza-Fajardo and Apostolos S. Papageorgiou},
-	Doi = {10.1785/0120070223},
-	Journal = bssa,
-	Number = {4},
-	Pages = {1811-1836},
-	Title = {A nonconvolutional, split-field, perfectly matched layer for wave propagation in isotropic and anisotropic elastic media: Stability analysis},
-	Volume = {98},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120070223}}
+        Author = {Kristel C. Meza-Fajardo and Apostolos S. Papageorgiou},
+        Doi = {10.1785/0120070223},
+        Journal = bssa,
+        Number = {4},
+        Pages = {1811-1836},
+        Title = {A nonconvolutional, split-field, perfectly matched layer for wave propagation in isotropic and anisotropic elastic media: Stability analysis},
+        Volume = {98},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120070223}}
 
 @article{MiKo10,
-	Author = {David Mich\'{e}a and Dimitri Komatitsch},
-	Doi = {10.1111/j.1365-246X.2010.04616.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {389-402},
-	Title = {Accelerating a 3{D} finite-difference wave propagation code using {GPU} graphics cards},
-	Volume = {182},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04616.x}}
+        Author = {David Mich\'{e}a and Dimitri Komatitsch},
+        Doi = {10.1111/j.1365-246X.2010.04616.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {389-402},
+        Title = {Accelerating a 3{D} finite-difference wave propagation code using {GPU} graphics cards},
+        Volume = {182},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04616.x}}
 
 @inproceedings{Mic09,
-	Address = {Washington, DC, USA},
-	Author = {Paulius Micikevicius},
-	Booktitle = {GPGPU-2: Proceedings of the 2nd Workshop on General Purpose Processing on Graphics Processing Units},
-	Doi = {10.1145/1513895.1513905},
-	Month = mar,
-	Pages = {79-84},
-	Title = {{3D} finite-difference computation on {GPUs} using {CUDA}},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1513895.1513905}}
+        Address = {Washington, DC, USA},
+        Author = {Paulius Micikevicius},
+        Booktitle = {GPGPU-2: Proceedings of the 2nd Workshop on General Purpose Processing on Graphics Processing Units},
+        Doi = {10.1145/1513895.1513905},
+        Month = mar,
+        Pages = {79-84},
+        Title = {{3D} finite-difference computation on {GPUs} using {CUDA}},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1513895.1513905}}
 
 @article{MieFu04,
-	Author = {A. Mielke and Y. B. Fu},
-	Journal = {Mathematics and Mechanics of Solids},
-	Pages = {5-15},
-	Title = {Uniqueness of the surface-wave speed: a proof that is independent of the {S}troh formalism},
-	Volume = {9},
-	Year = {2004}}
+        Author = {A. Mielke and Y. B. Fu},
+        Journal = {Mathematics and Mechanics of Solids},
+        Pages = {5-15},
+        Title = {Uniqueness of the surface-wave speed: a proof that is independent of the {S}troh formalism},
+        Volume = {9},
+        Year = {2004}}
 
 @book{Mik78,
-	Author = {J. Miklowitz},
-	Publisher = {North-Holland Publishing Company},
-	Title = {The theory of elastic waves and waveguides},
-	Volume = {22 of "Applied Mathematics and Mechanics" Series},
-	Year = {1978}}
+        Author = {J. Miklowitz},
+        Publisher = {North-Holland Publishing Company},
+        Title = {The theory of elastic waves and waveguides},
+        Volume = {22 of "Applied Mathematics and Mechanics" Series},
+        Year = {1978}}
 
 @article{Min02,
-	Author = {Susan E. Minkoff},
-	Doi = {10.1137/S1064827501390960},
-	Journal = {SIAM Journal on Scientific Computing},
-	Number = {1},
-	Pages = {1-19},
-	Publisher = {SIAM},
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-	Volume = {24},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1137/S1064827501390960}}
+        Author = {Susan E. Minkoff},
+        Doi = {10.1137/S1064827501390960},
+        Journal = {SIAM Journal on Scientific Computing},
+        Number = {1},
+        Pages = {1-19},
+        Publisher = {SIAM},
+        Title = {Spatial Parallelism of a 3{D} Finite-Difference Velocity-Stress Elastic Wave Propagation Code},
+        Volume = {24},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1137/S1064827501390960}}
 
 @incollection{Mi96,
-	Author = {S. Mitchell},
-	Booktitle = {STACS 96},
-	Editor = {Puech, Claude and Reischuk, R{\"u}diger},
-	Pages = {465-476},
-	Publisher = {Springer Berlin / Heidelberg},
-	Series = {Lecture Notes in Computer Science},
-	Title = {A characterization of the quadrilateral meshes of a surface which admit a compatible hexahedral mesh of the enclosed volume},
-	Volume = {1046},
-	Year = {1996}}
+        Author = {S. Mitchell},
+        Booktitle = {STACS 96},
+        Editor = {Puech, Claude and Reischuk, R{\"u}diger},
+        Pages = {465-476},
+        Publisher = {Springer Berlin / Heidelberg},
+        Series = {Lecture Notes in Computer Science},
+        Title = {A characterization of the quadrilateral meshes of a surface which admit a compatible hexahedral mesh of the enclosed volume},
+        Volume = {1046},
+        Year = {1996}}
 
 @article{MiPe91,
-	Author = {J. X. Mitrovica and W. R. Peltier},
-	Journal = gji,
-	Pages = {267-288},
-	Title = {A complete formalism for the inversion of post-glacial rebound data: resolving power analysis},
-	Volume = {104},
-	Year = {1991}}
+        Author = {J. X. Mitrovica and W. R. Peltier},
+        Journal = gji,
+        Pages = {267-288},
+        Title = {A complete formalism for the inversion of post-glacial rebound data: resolving power analysis},
+        Volume = {104},
+        Year = {1991}}
 
 @article{Moc89,
-	Author = {P. Moczo},
-	Journal = gji,
-	Pages = {321-329},
-	Title = {Finite-difference technique for {{\it SH}} waves in 2-{D} media using irregular grids, application to the seismic response problem},
-	Volume = {99},
-	Year = {1989}}
+        Author = {P. Moczo},
+        Journal = gji,
+        Pages = {321-329},
+        Title = {Finite-difference technique for {{\it SH}} waves in 2-{D} media using irregular grids, application to the seismic response problem},
+        Volume = {99},
+        Year = {1989}}
 
 @article{MoByKrCaBo97,
-	Author = {P. Moczo and E. Bystrick{\'y} and J. Kristek and J. M. Carcione and M. Bouchon},
-	Journal = bssa,
-	Pages = {1305-1323},
-	Title = {Hybrid modeling of {{\it P-SV}} seismic motion at inhomogeneous viscoelastic topographic structures},
-	Volume = {87},
-	Year = {1997}}
+        Author = {P. Moczo and E. Bystrick{\'y} and J. Kristek and J. M. Carcione and M. Bouchon},
+        Journal = bssa,
+        Pages = {1305-1323},
+        Title = {Hybrid modeling of {{\it P-SV}} seismic motion at inhomogeneous viscoelastic topographic structures},
+        Volume = {87},
+        Year = {1997}}
 
 @article{MoKr05,
-	Author = {P. Moczo and J. Kristek},
-	Doi = {10.1029/2004GL021598},
-	Journal = grl,
-	Pages = {L01306},
-	Title = {On the rheological models used for time-domain methods of seismic wave propagation},
-	Volume = {32},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2004GL021598}}
+        Author = {P. Moczo and J. Kristek},
+        Doi = {10.1029/2004GL021598},
+        Journal = grl,
+        Pages = {L01306},
+        Title = {On the rheological models used for time-domain methods of seismic wave propagation},
+        Volume = {32},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2004GL021598}}
 
 @article{MoKrBy01,
-	Author = {P. Moczo and J. Kristek and E. Bystrick{\'y}},
-	Journal = jca,
-	Number = {2},
-	Pages = {593-609},
-	Title = {Efficiency and optimization of the {3-D} finite-difference modeling of seismic ground motion},
-	Volume = {9},
-	Year = {2001}}
+        Author = {P. Moczo and J. Kristek and E. Bystrick{\'y}},
+        Journal = jca,
+        Number = {2},
+        Pages = {593-609},
+        Title = {Efficiency and optimization of the {3-D} finite-difference modeling of seismic ground motion},
+        Volume = {9},
+        Year = {2001}}
 
 @article{MoKrHa2000,
-	Author = {P. Moczo and J. Kristek and L. Halada},
-	Doi = {10.1785/0119990119},
-	Journal = bssa,
-	Number = {3},
-	Pages = {587-603},
-	Title = {3-{D} fourth-order staggered-grid finite-difference schemes: stability and grid dispersion},
-	Volume = {90},
-	Year = {2000},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0119990119}}
+        Author = {P. Moczo and J. Kristek and L. Halada},
+        Doi = {10.1785/0119990119},
+        Journal = bssa,
+        Number = {3},
+        Pages = {587-603},
+        Title = {3-{D} fourth-order staggered-grid finite-difference schemes: stability and grid dispersion},
+        Volume = {90},
+        Year = {2000},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0119990119}}
 
 @incollection{MoRoEi07,
-	Author = {P. Moczo and J. Robertsson and L. Eisner},
-	Booktitle = {Advances in wave propagation in heterogeneous media},
-	Chapter = {8},
-	Editor = {Ru-Shan Wu and Val\'erie Maupin},
-	Pages = {421-516},
-	Publisher = {Elsevier - Academic Press, London, UK},
-	Series = {Advances in Geophysics},
-	Title = {The Finite-difference Time-domain method for Modeling of Seismic Wave Propagation},
-	Volume = {48},
-	Year = {2007}}
+        Author = {P. Moczo and J. Robertsson and L. Eisner},
+        Booktitle = {Advances in wave propagation in heterogeneous media},
+        Chapter = {8},
+        Editor = {Ru-Shan Wu and Val\'erie Maupin},
+        Pages = {421-516},
+        Publisher = {Elsevier - Academic Press, London, UK},
+        Series = {Advances in Geophysics},
+        Title = {The Finite-difference Time-domain method for Modeling of Seismic Wave Propagation},
+        Volume = {48},
+        Year = {2007}}
 
 @phdthesis{Mod86,
-	Address = {Paris},
-	Author = {H. Modaressi},
-	School = {\'Ecole Centrale de Paris},
-	Title = {Mod\'elisation par \'el\'ements finis de la propagation des ondes en milieu poreux satur\'e, application au g\'enie parasismique},
-	Year = {1986}}
+        Address = {Paris},
+        Author = {H. Modaressi},
+        School = {\'Ecole Centrale de Paris},
+        Title = {Mod\'elisation par \'el\'ements finis de la propagation des ondes en milieu poreux satur\'e, application au g\'enie parasismique},
+        Year = {1986}}
 
 @article{MoBe94,
-	Author = {H. Modaressi and I. Benzenati},
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-	Bdsk-Url-1 = {http://www.nvidia.com/cuda}}
+        Address = {Santa Clara, California, USA},
+        Author = {{NVIDIA Corporation}},
+        Month = jul,
+        Note = {139 pages},
+        Title = {{NVIDIA CUDA} Programming Guide version 2.3},
+        Url = {http://www.nvidia.com/cuda},
+        Year = {2009},
+        Bdsk-Url-1 = {http://www.nvidia.com/cuda}}
 
 @techreport{NVIDIA:2009:FERMI,
-	Address = {Santa Clara, California, USA},
-	Author = {{NVIDIA Corporation}},
-	Institution = {NVIDIA},
-	Month = sep,
-	Note = {22 pages},
-	Title = {{NVIDIA's} Next Generation {CUDA} Compute Architecture: {FERMI}},
-	Url = {http://www.nvidia.com/object/fermi\_architecture.html},
-	Year = {2009},
-	Bdsk-Url-1 = {http://www.nvidia.com/object/fermi%5C_architecture.html}}
+        Address = {Santa Clara, California, USA},
+        Author = {{NVIDIA Corporation}},
+        Institution = {NVIDIA},
+        Month = sep,
+        Note = {22 pages},
+        Title = {{NVIDIA's} Next Generation {CUDA} Compute Architecture: {FERMI}},
+        Url = {http://www.nvidia.com/object/fermi\_architecture.html},
+        Year = {2009},
+        Bdsk-Url-1 = {http://www.nvidia.com/object/fermi%5C_architecture.html}}
 
 @techreport{nvidia_280_specs,
-	Author = {{NVIDIA Corporation}},
-	Institution = {NVIDIA},
-	Pages = {1-23},
-	Title = {{NVIDIA} {G}e{F}orce {GTX} 200 {GPU} Architectural Overview, Second-Generation Unified {GPU} Architecture for Visual Computing},
-	Url = {www.nvidia.com/docs/IO/55506/GeForce\_GTX\_200\_GPU\_Technical\_Brief.pdf},
-	Year = {2008},
-	Bdsk-Url-1 = {www.nvidia.com/docs/IO/55506/GeForce%5C_GTX%5C_200%5C_GPU%5C_Technical%5C_Brief.pdf}}
+        Author = {{NVIDIA Corporation}},
+        Institution = {NVIDIA},
+        Pages = {1-23},
+        Title = {{NVIDIA} {G}e{F}orce {GTX} 200 {GPU} Architectural Overview, Second-Generation Unified {GPU} Architecture for Visual Computing},
+        Url = {www.nvidia.com/docs/IO/55506/GeForce\_GTX\_200\_GPU\_Technical\_Brief.pdf},
+        Year = {2008},
+        Bdsk-Url-1 = {www.nvidia.com/docs/IO/55506/GeForce%5C_GTX%5C_200%5C_GPU%5C_Technical%5C_Brief.pdf}}
 
 @incollection{NyHaPr07,
-	Author = {Lars Nyland and Mark Harris and Jan Prins},
-	Booktitle = {GPU Gems 3},
-	Chapter = {31},
-	Month = aug,
-	Pages = {677--695},
-	Publisher = {Addison-Wesley Professional, Boston, MA, USA},
-	Title = {Fast {N}-body simulation with {CUDA}},
-	Year = {2007}}
+        Author = {Lars Nyland and Mark Harris and Jan Prins},
+        Booktitle = {GPU Gems 3},
+        Chapter = {31},
+        Month = aug,
+        Pages = {677--695},
+        Publisher = {Addison-Wesley Professional, Boston, MA, USA},
+        Title = {Fast {N}-body simulation with {CUDA}},
+        Year = {2007}}
 
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-	Author = {A. R. Oganov and S. Ono},
-	Journal = {Nature},
-	Pages = {445-448},
-	Title = {Theoretical and experimental evidence for a post-perovskite phase of {MgSiO3} in {E}arth's {D}'' layer},
-	Volume = {430},
-	Year = {2004}}
+        Author = {A. R. Oganov and S. Ono},
+        Journal = {Nature},
+        Pages = {445-448},
+        Title = {Theoretical and experimental evidence for a post-perovskite phase of {MgSiO3} in {E}arth's {D}'' layer},
+        Volume = {430},
+        Year = {2004}}
 
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+        Author = {T. Ohminato and B. A. Chouet},
+        Journal = bssa,
+        Pages = {494-515},
+        Title = {A free-surface boundary condition for including 3{D} topography in the finite difference method},
+        Volume = {87},
+        Year = {1997}}
 
 @article{OhKoMi92,
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-	Volume = {40},
-	Year = {1992}}
+        Author = {M. Ohori and K. Koketsu and T. Minomi},
+        Journal = {J. Phys. Earthquake},
+        Pages = {209-222},
+        Title = {Seismic response of three dimensional sediment filled valleys due to incident plane waves},
+        Volume = {40},
+        Year = {1992}}
 
 @article{OhHa83,
-	Author = {A. Ohtsuki and K. Harumi},
-	Journal = {Earth. Engrg. Structl. Dyn.},
-	Pages = {441-462},
-	Title = {Effects of topography and subsurface inhomogeneities on seismic {{\it SV}} waves},
-	Volume = {11},
-	Year = {1983}}
+        Author = {A. Ohtsuki and K. Harumi},
+        Journal = {Earth. Engrg. Structl. Dyn.},
+        Pages = {441-462},
+        Title = {Effects of topography and subsurface inhomogeneities on seismic {{\it SV}} waves},
+        Volume = {11},
+        Year = {1983}}
 
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-	Author = {S. P. Oliveira and G. Seriani},
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-	Title = {Effect of element distortion on the numerical dispersion of spectral element methods},
-	Volume = {9},
-	Year = {2011}}
+        Author = {S. P. Oliveira and G. Seriani},
+        Journal = {Communications in Computational Physics},
+        Number = {4},
+        Pages = {937-958},
+        Title = {Effect of element distortion on the numerical dispersion of spectral element methods},
+        Volume = {9},
+        Year = {2011}}
 
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-	Author = {K. B. Olsen},
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-	Pages = {S77-S94},
-	Title = {Site amplification in the {L}os {A}ngeles basin from three-dimensional modeling of ground motion},
-	Volume = {90},
-	Year = {2000}}
+        Author = {K. B. Olsen},
+        Journal = bssa,
+        Pages = {S77-S94},
+        Title = {Site amplification in the {L}os {A}ngeles basin from three-dimensional modeling of ground motion},
+        Volume = {90},
+        Year = {2000}}
 
 @article{OlAkRoMaMa06,
-	Author = {K. B. Olsen and A. Akinci and A. Rovelli and F. Marra and L. Malagnini},
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-	Volume = {96},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120030243}}
+        Author = {K. B. Olsen and A. Akinci and A. Rovelli and F. Marra and L. Malagnini},
+        Doi = {10.1785/0120030243},
+        Journal = bssa,
+        Number = {1},
+        Pages = {133-146},
+        Title = {3{D} Ground-Motion Estimation in {R}ome, {I}taly},
+        Volume = {96},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120030243}}
 
 @article{OlAr96,
-	Author = {K. B. Olsen and R. J. Archuleta},
-	Journal = bssa,
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-	Pages = {575-596},
-	Title = {3-{D} simulation of earthquakes on the {L}os {A}ngeles fault system},
-	Volume = {86},
-	Year = {1996}}
+        Author = {K. B. Olsen and R. J. Archuleta},
+        Journal = bssa,
+        Number = {3},
+        Pages = {575-596},
+        Title = {3-{D} simulation of earthquakes on the {L}os {A}ngeles fault system},
+        Volume = {86},
+        Year = {1996}}
 
 @article{OlDaBr03,
-	Author = {K. B. Olsen and S. M. Day and C. R. Bradley},
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-	Pages = {627-638},
-	Title = {Estimation of {$Q$} for long-period (>2 sec) waves in the {L}os {A}ngeles basin},
-	Volume = {93},
-	Year = {2003}}
+        Author = {K. B. Olsen and S. M. Day and C. R. Bradley},
+        Journal = bssa,
+        Number = {2},
+        Pages = {627-638},
+        Title = {Estimation of {$Q$} for long-period (>2 sec) waves in the {L}os {A}ngeles basin},
+        Volume = {93},
+        Year = {2003}}
 
 @article{OlDaMiCuChFaMoMaJo06,
-	Author = {K. B. Olsen and S. M. Day and J. B. Minster and Y. Cui and A. Chourasia and M. Faerman and R. Moore and P. Maechling and T. Jordan},
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-	Volume = {33},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2005GL025472}}
+        Author = {K. B. Olsen and S. M. Day and J. B. Minster and Y. Cui and A. Chourasia and M. Faerman and R. Moore and P. Maechling and T. Jordan},
+        Doi = {10.1029/2005GL025472},
+        Journal = grl,
+        Pages = {L07305},
+        Title = {Strong shaking in {L}os {A}ngeles expected from southern {S}an {A}ndreas earthquake},
+        Volume = {33},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2005GL025472}}
 
 @article{OlMaAr97,
-	Author = {K. B. Olsen and R. Madariaga and R. J. Archuleta},
-	Journal = {Science},
-	Pages = {834-838},
-	Title = {Three-dimensional dynamic simulation of the 1992 {L}anders earthquake},
-	Volume = {278},
-	Year = {1997}}
+        Author = {K. B. Olsen and R. Madariaga and R. J. Archuleta},
+        Journal = {Science},
+        Pages = {834-838},
+        Title = {Three-dimensional dynamic simulation of the 1992 {L}anders earthquake},
+        Volume = {278},
+        Year = {1997}}
 
 @article{OlPeSc95,
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-	Pages = {1688-1710},
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-	Year = {1995}}
+        Author = {K. B. Olsen and J. C. Pechmann and G. T. Schuster},
+        Journal = bssa,
+        Pages = {1688-1710},
+        Title = {Simulation of 3-{D} elastic wave propagation in the {S}alt {L}ake basin},
+        Volume = {85},
+        Year = {1995}}
 
 @article{Ors80,
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-	Year = {1980}}
+        Author = {S. A. Orszag},
+        Journal = jcp,
+        Pages = {70-92},
+        Title = {Spectral methods for problems in complex geometries},
+        Volume = {37},
+        Year = {1980}}
 
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+        Author = {S. Osher and J. A. Sethian},
+        Journal = jcp,
+        Pages = {12-49},
+        Title = {Fronts propagating with curvature dependent speed: algorithms based on {H}amilton-{J}acobi formulations},
+        Volume = {79},
+        Year = {1988}}
 
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-	Year = {1971}}
+        Author = {M. Ottaviani},
+        Journal = bssa,
+        Number = {5},
+        Pages = {1119-1152},
+        Title = {Elastic wave propagation in two evenly-welded quarter-spaces},
+        Volume = {61},
+        Year = {1971}}
 
 @article{Owens:2008:GC,
-	Author = {John D. Owens and Mike Houston and David P. Luebke and Simon Green and John E. Stone and James C. Phillips},
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-	Journal = {Proceedings of the IEEE},
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-	Pages = {879--899},
-	Title = {{GPU} Computing},
-	Volume = {96},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/JPROC.2008.917757}}
+        Author = {John D. Owens and Mike Houston and David P. Luebke and Simon Green and John E. Stone and James C. Phillips},
+        Doi = {10.1109/JPROC.2008.917757},
+        Journal = {Proceedings of the IEEE},
+        Month = may,
+        Number = {5},
+        Pages = {879--899},
+        Title = {{GPU} Computing},
+        Volume = {96},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/JPROC.2008.917757}}
 
 @article{owens_luebke_govindaraju_2007,
-	Author = {John D. Owens AND David P. Luebke AND Naga K. Govindaraju AND Mark J. Harris AND Jens Kr{\"u}ger AND Aaron E. Lefohn AND Timothy J. Purcell},
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+        Author = {John D. Owens AND David P. Luebke AND Naga K. Govindaraju AND Mark J. Harris AND Jens Kr{\"u}ger AND Aaron E. Lefohn AND Timothy J. Purcell},
+        Doi = {10.1111/j.1467-8659.2007.01012.x},
+        Journal = {Computer Graphics Forum},
+        Month = mar,
+        Number = {1},
+        Pages = {80--113},
+        Title = {A Survey of General-Purpose Computation on Graphics Hardware},
+        Volume = {26},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1467-8659.2007.01012.x}}
 
 @inproceedings{Owens:2005:ASO,
-	Author = {John D. Owens and David P. Luebke and Naga K. Govindaraju and Mark J. Harris and Jens Kr{\"{u}}ger and Aaron E. Lefohn and Timothy J. Purcell},
-	Booktitle = {Eurographics 2005, State of the Art Reports},
-	Month = sep,
-	Pages = {21--51},
-	Title = {A Survey of General-Purpose Computation on Graphics Hardware},
-	Year = {2005}}
+        Author = {John D. Owens and David P. Luebke and Naga K. Govindaraju and Mark J. Harris and Jens Kr{\"{u}}ger and Aaron E. Lefohn and Timothy J. Purcell},
+        Booktitle = {Eurographics 2005, State of the Art Reports},
+        Month = sep,
+        Pages = {21--51},
+        Title = {A Survey of General-Purpose Computation on Graphics Hardware},
+        Year = {2005}}
 
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+        Address = {San Francisco},
+        Author = {P. S. Pacheco},
+        Publisher = {Morgan Kaufmann Press},
+        Title = {Parallel programming with {MPI}},
+        Year = {1997}}
 
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+        Pages = {629-632},
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+        Volume = {23},
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+        Journal = {J. Seismol.},
+        Pages = {191-209},
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+        Author = {A. S. Papageorgiou and D. Pei},
+        Booktitle = {Proceedings of the 5th U.S. National Conference on Earthquake Engineering},
+        Note = {Chicago, Illinois, July 1994},
+        Pages = {45-54},
+        Title = {3{D} response of cylindrical valleys of arbitrary cross-section to seismic waves incident from any azimuthal direction},
+        Volume = {3},
+        Year = {1994}}
 
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+        Author = {J. Park},
+        Journal = jgr,
+        Pages = {6441-6464},
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+        Volume = {91},
+        Year = {1986}}
 
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-	Volume = {91},
-	Year = {1986}}
+        Author = {J. Park and F. Gilbert},
+        Journal = jgr,
+        Pages = {7241-7260},
+        Title = {Coupled free oscillations of an aspherical, dissipative, rotating {E}arth: {G}alerkin theory},
+        Volume = {91},
+        Year = {1986}}
 
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-	Volume = {3},
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+        Author = {J. Park and T. R. A. Song and J. Tromp and E. Okal and S. Stein and G. Roult and E. Clevede and G. Laske and H. Kanamori and P. Davis and J. Berger and C. Braitenberg and M. Van Camp and X. Lei and H. P. Sun and H. Z. Xu and S. Rosat},
+        Journal = {Science},
+        Number = {5725},
+        Pages = {1139-1144},
+        Title = {Earth's free oscillations excited by the 26 {D}ecember 2004 {S}umatra-{A}ndaman earthquake},
+        Volume = {3},
+        Year = {2005}}
 
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-	Year = {1992}}
+        Author = {J. Park and Y. Yu},
+        Journal = gji,
+        Pages = {401-420},
+        Title = {Anisotropy and coupled free oscillations: simplified models and surface wave observations},
+        Volume = {110},
+        Year = {1992}}
 
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+        Author = {K. C. Park and C. A. Felippa},
+        Journal = {J. Appl. Mech.},
+        Pages = {916-926},
+        Title = {Partitioned transient analysis procedures for coupled field problems: accuracy analysis},
+        Volume = {47},
+        Year = {1980}}
 
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+        Author = {Richard Pasquetti and Francesca Rapetti},
+        Doi = {10.1016/j.jcp.2004.01.010},
+        Journal = jcp,
+        Number = {1},
+        Pages = {349-362},
+        Title = {Spectral element methods on triangles and quadrilaterals: comparisons and applications},
+        Volume = {198},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2004.01.010}}
 
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+        Author = {A. T. Patera},
+        Journal = jcp,
+        Pages = {468-488},
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+        Volume = {54},
+        Year = {1984}}
 
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-	Year = {2005}}
+        Address = {Washington DC, USA},
+        Author = {G. L. Pavlis},
+        Booktitle = {Seismic Earth: Array Analysis of Broadband Seismograms},
+        Editor = {Alan Levander and Guust Nolet},
+        Pages = {171-186},
+        Publisher = {American Geophysical Union},
+        Series = {Geophysical Monograph},
+        Title = {Direct imaging of the coda of teleseismic {P} waves},
+        Volume = {157},
+        Year = {2005}}
 
 @book{Pay83,
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-	Year = {1983}}
+        Address = {The Hague, The Netherlands},
+        Author = {R. G. Payton},
+        Publisher = {Martinus Nijhoff},
+        Title = {Elastic wave propagation in transversely isotropic media},
+        Year = {1983}}
 
 @article{Pay81,
-	Author = {R. G. Payton},
-	Journal = {SIAM J. Appl. Math.},
-	Pages = {373-389},
-	Title = {Epicenter and epicentral-axis motion of a transversely isotropic elastic half-space},
-	Volume = {40},
-	Year = {1981}}
+        Author = {R. G. Payton},
+        Journal = {SIAM J. Appl. Math.},
+        Pages = {373-389},
+        Title = {Epicenter and epicentral-axis motion of a transversely isotropic elastic half-space},
+        Volume = {40},
+        Year = {1981}}
 
 @phdthesis{Ped94,
-	Address = {Grenoble},
-	Author = {H. A. Pedersen},
-	School = {Universit\'e Joseph Fourier},
-	Title = {{\'E}tude de la diffraction tridimensionnelle des ondes sismiques dans des structures \`a g\'eom\'etrie bidimensionnelle, d\'eveloppement th\'eorique et applications},
-	Year = {1994}}
+        Address = {Grenoble},
+        Author = {H. A. Pedersen},
+        School = {Universit\'e Joseph Fourier},
+        Title = {{\'E}tude de la diffraction tridimensionnelle des ondes sismiques dans des structures \`a g\'eom\'etrie bidimensionnelle, d\'eveloppement th\'eorique et applications},
+        Year = {1994}}
 
 @article{PeLeHaCaBa94,
-	Author = {H. A. Pedersen and B. LeBrun and D. Hatzfeld and M. Campillo and P.Y. Bard},
-	Journal = bssa,
-	Pages = {1786-1800},
-	Title = {Ground motion amplitude across ridges},
-	Volume = {84},
-	Year = {1994}}
+        Author = {H. A. Pedersen and B. LeBrun and D. Hatzfeld and M. Campillo and P.Y. Bard},
+        Journal = bssa,
+        Pages = {1786-1800},
+        Title = {Ground motion amplitude across ridges},
+        Volume = {84},
+        Year = {1994}}
 
 @article{PeSaCa94,
-	Author = {H. A. Pedersen and F. J. S\'anchez-Sesma and M. Campillo},
-	Journal = bssa,
-	Pages = {1169-1183},
-	Title = {Three-dimensional scattering by two-dimensional topographies},
-	Volume = {84},
-	Year = {1994}}
+        Author = {H. A. Pedersen and F. J. S\'anchez-Sesma and M. Campillo},
+        Journal = bssa,
+        Pages = {1169-1183},
+        Title = {Three-dimensional scattering by two-dimensional topographies},
+        Volume = {84},
+        Year = {1994}}
 
 @article{PeJoArSiFe03,
-	Author = {R. Pedersen and S. J\'onsson and T. \'Arnad\'ottir and F. Sigmundsson and K. L. Feigl},
-	Journal = {Earth and Planetary Science Letters},
-	Note = {submitted},
-	Pages = {999998-999999},
-	Title = {Fault slip distribution estimated from joint inversion of {InSAR} and {GPS} measurements of two {J}une 2000 {M$_w$}=6.5 earthquakes in {S}outh {I}celand},
-	Volume = {9999999},
-	Year = {2003}}
+        Author = {R. Pedersen and S. J\'onsson and T. \'Arnad\'ottir and F. Sigmundsson and K. L. Feigl},
+        Journal = {Earth and Planetary Science Letters},
+        Note = {submitted},
+        Pages = {999998-999999},
+        Title = {Fault slip distribution estimated from joint inversion of {InSAR} and {GPS} measurements of two {J}une 2000 {M$_w$}=6.5 earthquakes in {S}outh {I}celand},
+        Volume = {9999999},
+        Year = {2003}}
 
 @article{pedersenetal2001,
-	Author = {R. Pedersen and F. Sigmundsson and K. L. Feigl and T. \'Arnad\'ottir},
-	Journal = grl,
-	Pages = {3341-3344},
-	Title = {Coseismic interferograms of two {M}s=6.6 earthquakes in the {S}outh {I}celand {S}eismic {Z}one, {J}une 2000},
-	Volume = {28},
-	Year = {2001}}
+        Author = {R. Pedersen and F. Sigmundsson and K. L. Feigl and T. \'Arnad\'ottir},
+        Journal = grl,
+        Pages = {3341-3344},
+        Title = {Coseismic interferograms of two {M}s=6.6 earthquakes in the {S}outh {I}celand {S}eismic {Z}one, {J}une 2000},
+        Volume = {28},
+        Year = {2001}}
 
 @article{PeRo96,
-	Author = {F. Pellegrini and J. Roman},
-	Journal = lncs,
-	Pages = {493-498},
-	Title = {{SCOTCH}: A Software Package for Static Mapping by Dual Recursive Bipartitioning of Process and Architecture Graphs},
-	Volume = {1067},
-	Year = {1996}}
+        Author = {F. Pellegrini and J. Roman},
+        Journal = lncs,
+        Pages = {493-498},
+        Title = {{SCOTCH}: A Software Package for Static Mapping by Dual Recursive Bipartitioning of Process and Architecture Graphs},
+        Volume = {1067},
+        Year = {1996}}
 
 @article{Pel76,
-	Author = {W. R. Peltier},
-	Journal = gjras,
-	Pages = {669-706},
-	Title = {Glacial isostatic adjustment: {II - T}he inverse problem},
-	Volume = {46},
-	Year = {1976}}
+        Author = {W. R. Peltier},
+        Journal = gjras,
+        Pages = {669-706},
+        Title = {Glacial isostatic adjustment: {II - T}he inverse problem},
+        Volume = {46},
+        Year = {1976}}
 
 @article{PeKaHeCrCa10,
-	Author = {Ch. Pelties and M. K\"aser and V. Hermann and C. E. Castro},
-	Journal = {Geophys. J. Int.},
-	Pages = {1031-1051},
-	Title = {Regular versus irregular meshing for complicated models and their effect on synthetic seismograms},
-	Volume = {183},
-	Year = {2010}}
+        Author = {Ch. Pelties and M. K\"aser and V. Hermann and C. E. Castro},
+        Journal = {Geophys. J. Int.},
+        Pages = {1031-1051},
+        Title = {Regular versus irregular meshing for complicated models and their effect on synthetic seismograms},
+        Volume = {183},
+        Year = {2010}}
 
 @article{Pel90,
-	Author = {R. B. Pelz},
-	Journal = cmame,
-	Pages = {493-503},
-	Title = {Pseudospectral methods on massively parallel computers},
-	Volume = {80},
-	Year = {1990}}
+        Author = {R. B. Pelz},
+        Journal = cmame,
+        Pages = {493-503},
+        Title = {Pseudospectral methods on massively parallel computers},
+        Volume = {80},
+        Year = {1990}}
 
 @article{PeTo95,
-	Author = {C. B. Peng and M. Nafi T\"oksoz},
-	Journal = geophysics,
-	Pages = {296-301},
-	Title = {An optimal absorbing boundary condition for elastic wave modeling},
-	Volume = {60},
-	Year = {1995}}
+        Author = {C. B. Peng and M. Nafi T\"oksoz},
+        Journal = geophysics,
+        Pages = {296-301},
+        Title = {An optimal absorbing boundary condition for elastic wave modeling},
+        Volume = {60},
+        Year = {1995}}
 
 @article{PeBa89,
-	Author = {V. Perrier and C. Basdevant},
-	Journal = {La Recherche A\'erospatiale},
-	Pages = {99999998-99999999},
-	Title = {La d\'ecomposition en ondelettes p\'eriodiques, un outil pour l'analyse de champs inhomog\`enes},
-	Volume = {3},
-	Year = {1989}}
+        Author = {V. Perrier and C. Basdevant},
+        Journal = {La Recherche A\'erospatiale},
+        Pages = {99999998-99999999},
+        Title = {La d\'ecomposition en ondelettes p\'eriodiques, un outil pour l'analyse de champs inhomog\`enes},
+        Volume = {3},
+        Year = {1989}}
 
 @inproceedings{PeBo06,
-	Address = {La Coru{\~{n}}a, Spain},
-	Author = {E. Petit and F. Bodin},
-	Booktitle = {Proceedings of the Compilers for Parallel Computers (CPC'2006)},
-	Month = {January},
-	Title = {Extracting Threads Using Traces for System on a Chip},
-	Year = {2006}}
+        Address = {La Coru{\~{n}}a, Spain},
+        Author = {E. Petit and F. Bodin},
+        Booktitle = {Proceedings of the Compilers for Parallel Computers (CPC'2006)},
+        Month = {January},
+        Title = {Extracting Threads Using Traces for System on a Chip},
+        Year = {2006}}
 
 @article{PeOlMa2001,
-	Author = {S. Peyrat and K. B. Olsen and R. Madariaga},
-	Journal = jgr,
-	Pages = {26467-26482},
-	Title = {Dynamic modeling of the 1992 {L}anders earthquake},
-	Volume = {106},
-	Year = {2001}}
+        Author = {S. Peyrat and K. B. Olsen and R. Madariaga},
+        Journal = jgr,
+        Pages = {26467-26482},
+        Title = {Dynamic modeling of the 1992 {L}anders earthquake},
+        Volume = {106},
+        Year = {2001}}
 
 @inproceedings{Phillips:2009:RAP,
-	Author = {Everett H. Phillips and Yao Zhang and Roger L. Davis and John D. Owens},
-	Booktitle = {Proceedings of the 47th {AIAA} Aerospace Sciences Meeting},
-	Month = jan,
-	Pages = {1-11},
-	Title = {Rapid Aerodynamic Performance Prediction on a Cluster of Graphics Processing Units},
-	Year = {2009}}
+        Author = {Everett H. Phillips and Yao Zhang and Roger L. Davis and John D. Owens},
+        Booktitle = {Proceedings of the 47th {AIAA} Aerospace Sciences Meeting},
+        Month = jan,
+        Pages = {1-11},
+        Title = {Rapid Aerodynamic Performance Prediction on a Cluster of Graphics Processing Units},
+        Year = {2009}}
 
 @inproceedings{PhStSc08,
-	Author = {James C. Phillips and John E. Stone and Klaus Schulten},
-	Booktitle = {SC '08: Proceedings of the 2008 ACM/IEEE conference on Supercomputing},
-	Doi = {10.1145/1413370.1413379},
-	Month = nov,
-	Pages = {1--9},
-	Title = {Adapting a message-driven parallel application to {GPU}-accelerated clusters},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1413370.1413379}}
+        Author = {James C. Phillips and John E. Stone and Klaus Schulten},
+        Booktitle = {SC '08: Proceedings of the 2008 ACM/IEEE conference on Supercomputing},
+        Doi = {10.1145/1413370.1413379},
+        Month = nov,
+        Pages = {1--9},
+        Title = {Adapting a message-driven parallel application to {GPU}-accelerated clusters},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1413370.1413379}}
 
 @article{Phinney66,
-	Author = {Phinney, R. A and Alexander, S. S.},
-	Journal = jgr,
-	Pages = {5959-5975},
-	Title = {P wave diffraction theory and the structure of the core-mantle boundary},
-	Volume = {71},
-	Year = {1966}}
+        Author = {Phinney, R. A and Alexander, S. S.},
+        Journal = jgr,
+        Pages = {5959-5975},
+        Title = {P wave diffraction theory and the structure of the core-mantle boundary},
+        Volume = {71},
+        Year = {1966}}
 
 @article{PhBu73,
-	Author = {R. A. Phinney and R. Burridge},
-	Journal = gjras,
-	Pages = {451-487},
-	Title = {Representation of Elastic-Gravitational Excitation of a Spherical {E}arth Model by Generalized Spherical Harmonics},
-	Volume = {34},
-	Year = {1973}}
+        Author = {R. A. Phinney and R. Burridge},
+        Journal = gjras,
+        Pages = {451-487},
+        Title = {Representation of Elastic-Gravitational Excitation of a Spherical {E}arth Model by Generalized Spherical Harmonics},
+        Volume = {34},
+        Year = {1973}}
 
 @article{Phung,
-	Author = {K. D. Phung},
-	Journal = {ESAIM Control Optim. Calc. Var.},
-	Pages = {87-137},
-	Title = {Controllability and stabilization of electromagnetic waves},
-	Volume = {5},
-	Year = {2000}}
+        Author = {K. D. Phung},
+        Journal = {ESAIM Control Optim. Calc. Var.},
+        Pages = {87-137},
+        Title = {Controllability and stabilization of electromagnetic waves},
+        Volume = {5},
+        Year = {2000}}
 
 @book{Pil79,
-	Address = {Amsterdam, The Netherlands},
-	Author = {Walter L. Pilant},
-	Publisher = {Elsevier Scientific Publishing Company},
-	Title = {Elastic waves in the {E}arth},
-	Volume = {11 of "Developments in Solid Earth Geophysics" Series},
-	Year = {1979}}
+        Address = {Amsterdam, The Netherlands},
+        Author = {Walter L. Pilant},
+        Publisher = {Elsevier Scientific Publishing Company},
+        Title = {Elastic waves in the {E}arth},
+        Volume = {11 of "Developments in Solid Earth Geophysics" Series},
+        Year = {1979}}
 
 @article{PiKnSc64,
-	Author = {W. L. Pilant and L. Knopoff and F. Schwab},
-	Journal = jgr,
-	Pages = {291-297},
-	Title = {Transmission and reflection of surface waves at a corner, part 3: {R}ayleigh waves (experimental)},
-	Volume = {69},
-	Year = {1964}}
+        Author = {W. L. Pilant and L. Knopoff and F. Schwab},
+        Journal = jgr,
+        Pages = {291-297},
+        Title = {Transmission and reflection of surface waves at a corner, part 3: {R}ayleigh waves (experimental)},
+        Volume = {69},
+        Year = {1964}}
 
 @article{PiIr96a,
-	Author = {A. Pitarka and K. Irikura},
-	Journal = grl,
-	Pages = {2729-2732},
-	Title = {Modeling 3{D} surface topography by a finite-difference method: {K}obe-{JMA} station site, {J}apan, case study},
-	Volume = {23},
-	Year = {1996}}
+        Author = {A. Pitarka and K. Irikura},
+        Journal = grl,
+        Pages = {2729-2732},
+        Title = {Modeling 3{D} surface topography by a finite-difference method: {K}obe-{JMA} station site, {J}apan, case study},
+        Volume = {23},
+        Year = {1996}}
 
 @article{PiIr96b,
-	Author = {A. Pitarka and K. Irikura},
-	Journal = bssa,
-	Number = {1B},
-	Pages = {S126-S137},
-	Title = {Basin structure effects on long period strong motions in the {S}an {F}ernando valley and the {L}os {A}ngeles basin from the 1994 {N}orthridge earthquake and aftershocks},
-	Volume = {86},
-	Year = {1996}}
+        Author = {A. Pitarka and K. Irikura},
+        Journal = bssa,
+        Number = {1B},
+        Pages = {S126-S137},
+        Title = {Basin structure effects on long period strong motions in the {S}an {F}ernando valley and the {L}os {A}ngeles basin from the 1994 {N}orthridge earthquake and aftershocks},
+        Volume = {86},
+        Year = {1996}}
 
 @article{PiIrIwKa96,
-	Author = {A. Pitarka and K. Irikura and T. Iwata and T. Kagawa},
-	Journal = {J. Phys. Earth},
-	Pages = {563-576},
-	Title = {Basin structure effects in the {K}obe area inferred from modelling of ground motions from two aftershocks of the {J}anuary 17, 1995, {H}yogo-ken {N}anbu earthquake},
-	Volume = {44},
-	Year = {1996}}
+        Author = {A. Pitarka and K. Irikura and T. Iwata and T. Kagawa},
+        Journal = {J. Phys. Earth},
+        Pages = {563-576},
+        Title = {Basin structure effects in the {K}obe area inferred from modelling of ground motions from two aftershocks of the {J}anuary 17, 1995, {H}yogo-ken {N}anbu earthquake},
+        Volume = {44},
+        Year = {1996}}
 
 @article{PiIrIw98,
-	Author = {A. Pitarka and K. Irikura and T. Iwata and H. Sekiguchi},
-	Journal = bssa,
-	Pages = {428-440},
-	Title = {Three-dimensional simulation of the near-fault ground motion for the 1995 {H}yogo-ken {N}anbu ({K}obe), {J}apan, earthquake},
-	Volume = {88},
-	Year = {1998}}
+        Author = {A. Pitarka and K. Irikura and T. Iwata and H. Sekiguchi},
+        Journal = bssa,
+        Pages = {428-440},
+        Title = {Three-dimensional simulation of the near-fault ground motion for the 1995 {H}yogo-ken {N}anbu ({K}obe), {J}apan, earthquake},
+        Volume = {88},
+        Year = {1998}}
 
 @article{PlBaAyLa09,
-	Author = {Judit Planas and Rosa M. Badia and Eduard Ayguad\'{e} and Jesus Labarta},
-	Doi = {10.1177/1094342009106195},
-	Journal = {International Journal of High Performance Computing Applications},
-	Number = {3},
-	Pages = {284-299},
-	Title = {Hierarchical Task-Based Programming With {StarSs}},
-	Volume = {23},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1177/1094342009106195}}
+        Author = {Judit Planas and Rosa M. Badia and Eduard Ayguad\'{e} and Jesus Labarta},
+        Doi = {10.1177/1094342009106195},
+        Journal = {International Journal of High Performance Computing Applications},
+        Number = {3},
+        Pages = {284-299},
+        Title = {Hierarchical Task-Based Programming With {StarSs}},
+        Volume = {23},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1177/1094342009106195}}
 
 @article{PlSh88,
-	Author = {B. J. Plohr and D. H. Sharp},
-	Journal = {Advances in Applied Mathematics},
-	Pages = {481-499},
-	Title = {A conservative {E}ulerian formulation of the equations for elastic flow},
-	Volume = {9},
-	Year = {1988}}
+        Author = {B. J. Plohr and D. H. Sharp},
+        Journal = {Advances in Applied Mathematics},
+        Pages = {481-499},
+        Title = {A conservative {E}ulerian formulation of the equations for elastic flow},
+        Volume = {9},
+        Year = {1988}}
 
 @article{Poin00,
-	Author = {T. Pointer and E. Liu and J. A. Hudson},
-	Journal = gji,
-	Pages = {199-231},
-	Title = {Seismic wave propagation in cracked porous media},
-	Volume = {141},
-	Year = {2000}}
+        Author = {T. Pointer and E. Liu and J. A. Hudson},
+        Journal = gji,
+        Pages = {199-231},
+        Title = {Seismic wave propagation in cracked porous media},
+        Volume = {141},
+        Year = {2000}}
 
 @article{Poin98,
-	Author = {T. Pointer and E. Liu and J. A. Hudson},
-	Journal = gji,
-	Pages = {289-303},
-	Title = {Numerical modelling of seismic waves scattered by hydrofractures: application of the indirect boundary method},
-	Volume = {135},
-	Year = {1998}}
+        Author = {T. Pointer and E. Liu and J. A. Hudson},
+        Journal = gji,
+        Pages = {289-303},
+        Title = {Numerical modelling of seismic waves scattered by hydrofractures: application of the indirect boundary method},
+        Volume = {135},
+        Year = {1998}}
 
 @article{PonDesEveAud01,
-	Author = {O. Poncelet and M. Deschamps and A.G. Every and B. Audoin},
-	Journal = {Review of Progress in Quantitative Nondestructive Evaluation},
-	Pages = {51-58},
-	Title = {Extension to cuspidal edges of wave surfaces of anisotropic solids: treatment of near cusp behavior},
-	Volume = {20},
-	Year = {2001}}
+        Author = {O. Poncelet and M. Deschamps and A.G. Every and B. Audoin},
+        Journal = {Review of Progress in Quantitative Nondestructive Evaluation},
+        Pages = {51-58},
+        Title = {Extension to cuspidal edges of wave surfaces of anisotropic solids: treatment of near cusp behavior},
+        Volume = {20},
+        Year = {2001}}
 
 @article{PoWe91,
-	Author = {D. J. Ponti and R. E. Wells},
-	Journal = bssa,
-	Pages = {1480-1510},
-	Title = {Off-fault ground ruptures in the {S}anta-{C}ruz mountains, {C}alifornia: ridge-top spreading versus tectonic extension during the 1989 {L}oma {P}rieta earthquake},
-	Volume = {81},
-	Year = {1991}}
+        Author = {D. J. Ponti and R. E. Wells},
+        Journal = bssa,
+        Pages = {1480-1510},
+        Title = {Off-fault ground ruptures in the {S}anta-{C}ruz mountains, {C}alifornia: ridge-top spreading versus tectonic extension during the 1989 {L}oma {P}rieta earthquake},
+        Volume = {81},
+        Year = {1991}}
 
 @article{Poupinet83,
-	Author = {G. Poupinet and R. Pillet and A. Souriau},
-	Journal = {Nature},
-	Pages = {204-206},
-	Title = {Possible heterogeneity of the {E}arth's core deduced from {PKIKP} travel times},
-	Volume = {305},
-	Year = {1983}}
+        Author = {G. Poupinet and R. Pillet and A. Souriau},
+        Journal = {Nature},
+        Pages = {204-206},
+        Title = {Possible heterogeneity of the {E}arth's core deduced from {PKIKP} travel times},
+        Volume = {305},
+        Year = {1983}}
 
 @phdthesis{prat2005,
-	Author = {F. Prat},
-	School = {Universit\'{e} de Pau et des Pays de l'Adour},
-	Title = {Analyse du Generalized Screen Propagator},
-	Year = {2005}}
+        Author = {F. Prat},
+        School = {Universit\'{e} de Pau et des Pays de l'Adour},
+        Title = {Analyse du Generalized Screen Propagator},
+        Year = {2005}}
 
 @article{Pra99,
-	Author = {R. Gerhard Pratt},
-	Journal = geophysics,
-	Number = {3},
-	Pages = {888-901},
-	Title = {Seismic waveform inversion in the frequency domain, {P}art 1: Theory and verification in a physical scale model},
-	Volume = {64},
-	Year = {1999}}
+        Author = {R. Gerhard Pratt},
+        Journal = geophysics,
+        Number = {3},
+        Pages = {888-901},
+        Title = {Seismic waveform inversion in the frequency domain, {P}art 1: Theory and verification in a physical scale model},
+        Volume = {64},
+        Year = {1999}}
 
 @article{PrCh92,
-	Author = {R. G. Pratt and C. Chapman},
-	Journal = gji,
-	Pages = {20-37},
-	Title = {Traveltime tomography in anisotropic media -{II}: Application},
-	Volume = {109},
-	Year = {1992}}
+        Author = {R. G. Pratt and C. Chapman},
+        Journal = gji,
+        Pages = {20-37},
+        Title = {Traveltime tomography in anisotropic media -{II}: Application},
+        Volume = {109},
+        Year = {1992}}
 
 @article{PrShHi98,
-	Author = {R. Gerhard Pratt and Changsoo Shin and G. J. Hicks},
-	Doi = {10.1046/j.1365-246X.1998.00498.x},
-	Journal = geophysics,
-	Number = {2},
-	Pages = {341-362},
-	Title = {Gauss-{N}ewton and full {N}ewton methods in frequency-space seismic waveform inversion},
-	Volume = {133},
-	Year = {1998},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.1998.00498.x}}
+        Author = {R. Gerhard Pratt and Changsoo Shin and G. J. Hicks},
+        Doi = {10.1046/j.1365-246X.1998.00498.x},
+        Journal = geophysics,
+        Number = {2},
+        Pages = {341-362},
+        Title = {Gauss-{N}ewton and full {N}ewton methods in frequency-space seismic waveform inversion},
+        Volume = {133},
+        Year = {1998},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1046/j.1365-246X.1998.00498.x}}
 
 @article{PrSh99,
-	Author = {R. Gerhard Pratt and Richard M. Shipp},
-	Journal = geophysics,
-	Number = {3},
-	Pages = {902-914},
-	Title = {Seismic waveform inversion in the frequency domain, {P}art 2: Fault delineation in sediments using crosshole data},
-	Volume = {64},
-	Year = {1999}}
+        Author = {R. Gerhard Pratt and Richard M. Shipp},
+        Journal = geophysics,
+        Number = {3},
+        Pages = {902-914},
+        Title = {Seismic waveform inversion in the frequency domain, {P}art 2: Fault delineation in sediments using crosshole data},
+        Volume = {64},
+        Year = {1999}}
 
 @article{PrViPaSc09,
-	Author = {Tobias Preis and Peter Virnau and Wolfgang Paul and Johannes J. Schneider},
-	Doi = {10.1016/j.jcp.2009.03.018},
-	Journal = jcp,
-	Pages = {4468-4477},
-	Title = {{GPU} accelerated {M}onte {C}arlo simulation of the {2D} and {3D} {I}sing model},
-	Volume = {228},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2009.03.018}}
+        Author = {Tobias Preis and Peter Virnau and Wolfgang Paul and Johannes J. Schneider},
+        Doi = {10.1016/j.jcp.2009.03.018},
+        Journal = jcp,
+        Pages = {4468-4477},
+        Title = {{GPU} accelerated {M}onte {C}arlo simulation of the {2D} and {3D} {I}sing model},
+        Volume = {228},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2009.03.018}}
 
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+        Address = {Cambridge, USA},
+        Author = {W. H. Press and S. A. Teukolsky and W. T. Vetterling and B. P. Flannery},
+        Publisher = {Cambridge University Press},
+        Title = {Numerical recipes: the art of scientific computing},
+        Year = {1994}}
 
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-	Booktitle = {Proceedings of the SPIE Physics and Simulation of Optoelectronic Devices XV Conference},
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-	Publisher = {SPIE and the International Society for Optical Engineering},
-	Title = {{GPU}-based accelerated {2D} and {3D FDTD} solvers},
-	Volume = {6468},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1117/12.715044}}
+        Address = {San Jose, California, USA},
+        Author = {Daniel K. Price and John R. Humphrey and Eric J. Kelmelis},
+        Booktitle = {Proceedings of the SPIE Physics and Simulation of Optoelectronic Devices XV Conference},
+        Doi = {10.1117/12.715044},
+        Publisher = {SPIE and the International Society for Optical Engineering},
+        Title = {{GPU}-based accelerated {2D} and {3D FDTD} solvers},
+        Volume = {6468},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1117/12.715044}}
 
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-	Volume = {109},
-	Year = {2004}}
+        Author = {S. R. Pride and J. G. Berryman and J. M. Harris},
+        Journal = jgr,
+        Pages = {681-693},
+        Title = {Seismic attenuation due to wave-induced flow},
+        Volume = {109},
+        Year = {2004}}
 
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-	Year = {1994}}
+        Author = {E. Priolo and J. M. Carcione and G. Seriani},
+        Journal = jasa,
+        Number = {2},
+        Pages = {681-693},
+        Title = {Numerical simulation of interface waves by high-order spectral modeling techniques},
+        Volume = {95},
+        Year = {1994}}
 
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-	Pages = {B10302},
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-	Volume = {114},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2008JB006271}}
+        Author = {de la Puente, J. and Ampuero, J. P. and K\"aser, M.},
+        Doi = {10.1029/2008JB006271},
+        Journal = jgr,
+        Pages = {B10302},
+        Title = {Dynamic rupture modeling on unstructured meshes using a discontinuous {G}alerkin method},
+        Volume = {114},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2008JB006271}}
 
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-	Author = {Jay Pulliam and Mrinal K. Sen},
-	Journal = gji,
-	Number = {1},
-	Pages = {113-128},
-	Title = {Seismic anisotropy in the core-mantle transition zone},
-	Volume = {135},
-	Year = {1998}}
+        Author = {Jay Pulliam and Mrinal K. Sen},
+        Journal = gji,
+        Number = {1},
+        Pages = {113-128},
+        Title = {Seismic anisotropy in the core-mantle transition zone},
+        Volume = {135},
+        Year = {1998}}
 
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-	Author = {Q. Qi and T. L. Geers},
-	Journal = jcp,
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-	Pages = {166-183},
-	Title = {Evaluation of the {P}erfectly {M}atched {L}ayer for computational acoustics},
-	Volume = {139},
-	Year = {1998}}
+        Author = {Q. Qi and T. L. Geers},
+        Journal = jcp,
+        Number = {1},
+        Pages = {166-183},
+        Title = {Evaluation of the {P}erfectly {M}atched {L}ayer for computational acoustics},
+        Volume = {139},
+        Year = {1998}}
 
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-	Number = {4},
-	Pages = {556-567},
-	Title = {Maslov asymptotic theory and symplectic algorithm},
-	Volume = {43},
-	Year = {2000}}
+        Author = {Qin, M.-Z. and Chen, J.-B},
+        Journal = {Chinese J. Geophys.},
+        Number = {4},
+        Pages = {556-567},
+        Title = {Maslov asymptotic theory and symplectic algorithm},
+        Volume = {43},
+        Year = {2000}}
 
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-	Journal = cmame,
-	Pages = {323-341},
-	Title = {Generalized {G}alerkin approximations of elastic waves with absorbing boundary conditions},
-	Volume = {163},
-	Year = {1998}}
+        Author = {A. Quarteroni and A. Tagliani and E. Zampieri},
+        Journal = cmame,
+        Pages = {323-341},
+        Title = {Generalized {G}alerkin approximations of elastic waves with absorbing boundary conditions},
+        Volume = {163},
+        Year = {1998}}
 
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-	Volume = {110},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2004JB003347}}
+        Author = {G. Quiroga-Goode and S. Jim\'enez-Hern\'andez and M. A. P\'erez-Flores and R. Padilla-Hern\'andez},
+        Doi = {10.1029/2004JB003347},
+        Journal = jgr,
+        Pages = {B07303},
+        Title = {Computational study of seismic waves in homogeneous dynamic-porosity media with thermal and fluid relaxation: {G}auging {B}iot theory},
+        Volume = {110},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2004JB003347}}
 
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-	Pages = {2005-2008},
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-	Volume = {27},
-	Year = {2000}}
+        Author = {G. R\"umpker and T. Ryberg},
+        Journal = grl,
+        Pages = {2005-2008},
+        Title = {New "Fresnel-zone" estimates for shear-wave splitting observations from finite-difference modeling},
+        Volume = {27},
+        Year = {2000}}
 
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-	Volume = {15},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/TVCG.2009.28}}
+        Author = {Nikunj Raghuvanshi and Rahul Narain and Ming C. Lin},
+        Doi = {10.1109/TVCG.2009.28},
+        Journal = {IEEE Transactions on Visualization and Computer Graphics},
+        Number = {5},
+        Pages = {789-801},
+        Title = {Efficient and Accurate Sound Propagation Using Adaptive Rectangular Decomposition},
+        Volume = {15},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/TVCG.2009.28}}
 
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-	Year = {2004}}
+        Author = {A. N. Rahmouni},
+        Journal = {C. R. Acad. Sci. Paris, Ser. I},
+        Pages = {963-968},
+        Title = {Un mod\`ele {PML} bien pos\'e pour l'\'elastodynamique anisotrope ({A} well-posed {PML} model for anisotropic elastodynamics)},
+        Volume = {338},
+        Year = {2004}}
 
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-	Title = {Des mod\`eles {PML} bien pos\'es pour divers probl\`emes hyperboliques ({S}ome well-posed {PML} models for several hyperbolic problems)},
-	Year = {2000}}
+        Author = {A. N. Rahmouni},
+        School = {University of Paris XIII, France},
+        Title = {Des mod\`eles {PML} bien pos\'es pour divers probl\`emes hyperboliques ({S}ome well-posed {PML} models for several hyperbolic problems)},
+        Year = {2000}}
 
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-	Year = {1945}}
+        Address = {New York},
+        Author = {L. J. W. S. Rayleigh},
+        Edition = {2nd},
+        Publisher = {Dover Publications},
+        Title = {The theory of sound},
+        Year = {1945}}
 
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+        Author = {L. J. W. S. Rayleigh},
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+        Volume = {20},
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+        Author = {Lord J. W. S. Rayleigh},
+        Journal = {Proc. London Math. Soc.},
+        Pages = {4-11},
+        Title = {On waves propagated along the plane surface of an elastic solid},
+        Volume = {17},
+        Year = {1887}}
 
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-	Year = {1973}}
+        Address = {Los Alamos, USA},
+        Author = {W. H. Reed and T. R. Hill},
+        Institution = {Los Alamos Scientific Laboratory},
+        Number = {LA-UR-73-479},
+        Title = {Triangular mesh methods for the neutron transport equation},
+        Year = {1973}}
 
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-	Year = {2001}}
+        Author = {F. J. L. Reid and J. H. Woodhouse and H. J. van Heijst},
+        Journal = gji,
+        Pages = {615-630},
+        Title = {Upper mantle attenuation and velocity structure from measurements of differential S phases},
+        Volume = {145},
+        Year = {2001}}
 
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-	Year = {1988}}
+        Author = {M. Reshef and D. Kosloff and M. Edwards and C. Hsiung},
+        Journal = geophysics,
+        Pages = {1175-1183},
+        Title = {Three dimensional acoustic modeling by the {F}ourier method},
+        Volume = {53},
+        Year = {1988}}
 
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-	Volume = {86},
-	Year = {1996}}
+        Author = {J. A. Rial},
+        Journal = bssa,
+        Pages = {1714-1723},
+        Title = {The anomalous seismic response of the ground at the {T}arzana {H}ill site during the {N}orthridge 1994 {S}outhern {C}alifornia earthquake: a resonant, sliding block?},
+        Volume = {86},
+        Year = {1996}}
 
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-	Volume = {55},
-	Year = {1978}}
+        Author = {J. A. Rial},
+        Journal = gjras,
+        Pages = {737-743},
+        Title = {On the focusing of seismic body waves at the epicenter's antipode},
+        Volume = {55},
+        Year = {1978}}
 
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-	Year = {1980}}
+        Author = {J. A. Rial and V. F. Cormier},
+        Journal = jgr,
+        Pages = {2661-2668},
+        Title = {Seismic waves at the epicenter's antipode},
+        Volume = {85},
+        Year = {1980}}
 
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+        Author = {J. E. Richardson and H. J. Melosh and R. J. Greenberg and D. P. O'Brien},
+        Journal = {Icarus},
+        Pages = {325-349},
+        Title = {The global effects of impact-induced seismic activity on fractured asteroid surface morphology},
+        Volume = {179},
+        Year = {2005}}
 
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+        Author = {G. R. Richter},
+        Journal = {Appl. Num. Math.},
+        Pages = {65-80},
+        Title = {An explicit finite element method for the wave equation},
+        Volume = {16},
+        Year = {1994}}
 
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-	Author = {Bruno Riollet},
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-	Year = {1997}}
+        Address = {Paris},
+        Author = {Bruno Riollet},
+        School = {Universit\'e Paris {\sc VII} Jussieu},
+        Title = {Simulation num\'erique de la propagation d'ondes sismiques en milieu fractur\'e ({N}umerical simulation of wave propagation in media with cracks)},
+        Year = {1997}}
 
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-	Title = {Global seismic structure maps},
-	Volume = {388},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1130/2005.2388}}
+        Author = {J. Ritsema},
+        Booktitle = {Plates, Plumes, and Paradigms},
+        Doi = {10.1130/2005.2388},
+        Editor = {G. R. Foulger and J. H. Natland and D. C. Presnall and D. L. Anderson},
+        Pages = {11-18},
+        Publisher = {Geological Soc. Amer. special paper},
+        Title = {Global seismic structure maps},
+        Volume = {388},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1130/2005.2388}}
 
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-	Year = {2002}}
+        Author = {J. Ritsema and H. J. van Heijst},
+        Journal = gji,
+        Pages = {482-489},
+        Title = {Constraints on the correlation of P- and S-wave velocity heterogeneity in the mantle from P, PP, PPP, and PKPab traveltimes},
+        Volume = {149},
+        Year = {2002}}
 
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-	Year = {1998}}
+        Author = {J. Ritsema and T. Lay and E. J. Garnero and H. Benz},
+        Journal = grl,
+        Pages = {1229-1232},
+        Title = {Seismic anisotropy in the lowermost mantle beneath the {P}acific},
+        Volume = {25},
+        Year = {1998}}
 
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-	Volume = {29},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2001GL013831}}
+        Author = {J. Ritsema and L. A. Rivera and D. Komatitsch and J. Tromp and H. J. van Heijst},
+        Doi = {10.1029/2001GL013831},
+        Journal = grl,
+        Number = {10},
+        Pages = {1430},
+        Title = {The effects of crust and mantle heterogeneity on {PP/P} and {SS/S} amplitude ratios},
+        Volume = {29},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2001GL013831}}
 
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+        Author = {J. Ritsema and H. J. {Van Heijst}},
+        Journal = {Science Progress},
+        Pages = {243-259},
+        Title = {Seismic imaging of structural heterogeneity in {E}arth's mantle: Evidence for large-scale mantle flow},
+        Volume = {83},
+        Year = {2000}}
 
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+        Author = {J. Ritsema and H. J. {Van Heijst} and J. H. Woodhouse},
+        Journal = {Science},
+        Pages = {1925-1928},
+        Title = {Complex shear velocity structure imaged beneath {A}frica and {I}celand},
+        Volume = {286},
+        Year = {1999}}
 
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+        Year = {1995}}
 
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+        Volume = {37},
+        Year = {2002}}
 
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+        Doi = {10.1002/1098-2760(20001205)27:5<334::AID-MOP14>3.0.CO;2-A},
+        Journal = {Microwave and Optical Technology Letters},
+        Number = {5},
+        Pages = {334-339},
+        Title = {Convolution {PML} ({CPML}): {A}n Efficient {FDTD} Implementation of the {CFS}-{PML} for Arbitrary Media},
+        Volume = {27},
+        Year = {2000},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/1098-2760(20001205)27:5%3C334::AID-MOP14%3E3.0.CO;2-A}}
 
 @phdthesis{Rod04,
-	Address = {Paris, France},
-	Author = {Jer\'onimo Rodr\'{\i}guez},
-	School = {Universit\'e Paris IX-Dauphine},
-	Title = {Raffinement de maillage spatio-temporel pour les \'equations de l'\'elastodynamique},
-	Year = {2004}}
+        Address = {Paris, France},
+        Author = {Jer\'onimo Rodr\'{\i}guez},
+        School = {Universit\'e Paris IX-Dauphine},
+        Title = {Raffinement de maillage spatio-temporel pour les \'equations de l'\'elastodynamique},
+        Year = {2004}}
 
 @article{RoSaLuMa06,
-	Author = {A. Rodr\'{\i}guez-Castellanos and F.J. S\'anchez-Sesma and F. Luz\'on and R. Martin},
-	Journal = bssa,
-	Number = {4A},
-	Pages = {1359-1374},
-	Title = {Multiple scattering of elastic waves by subsurface fractures and cavities},
-	Volume = {96},
-	Year = {2006}}
+        Author = {A. Rodr\'{\i}guez-Castellanos and F.J. S\'anchez-Sesma and F. Luz\'on and R. Martin},
+        Journal = bssa,
+        Number = {4A},
+        Pages = {1359-1374},
+        Title = {Multiple scattering of elastic waves by subsurface fractures and cavities},
+        Volume = {96},
+        Year = {2006}}
 
 @inproceedings{RoHaStScHw08,
-	Address = {New York, USA},
-	Author = {Christopher I. Rodrigues and David J. Hardy and John E. Stone and Klaus Schulten and Wen{-}mei W. Hwu},
-	Booktitle = {Proceedings of the 2008 conference on Computing Frontiers},
-	Pages = {273--282},
-	Publisher = {ACM},
-	Title = {{GPU} acceleration of cutoff pair potentials for molecular modeling applications},
-	Year = {2008}}
+        Address = {New York, USA},
+        Author = {Christopher I. Rodrigues and David J. Hardy and John E. Stone and Klaus Schulten and Wen{-}mei W. Hwu},
+        Booktitle = {Proceedings of the 2008 conference on Computing Frontiers},
+        Pages = {273--282},
+        Publisher = {ACM},
+        Title = {{GPU} acceleration of cutoff pair potentials for molecular modeling applications},
+        Year = {2008}}
 
 @phdthesis{Rod93,
-	Address = {Paris, France},
-	Author = {Dominique Rodrigues},
-	School = {\'Ecole Centrale de Paris},
-	Title = {Simulation de la propagation d'ondes sismiques sur machine massivement parall\`ele},
-	Year = {1993}}
+        Address = {Paris, France},
+        Author = {Dominique Rodrigues},
+        School = {\'Ecole Centrale de Paris},
+        Title = {Simulation de la propagation d'ondes sismiques sur machine massivement parall\`ele},
+        Year = {1993}}
 
 @inproceedings{RoMo93,
-	Author = {D. Rodrigues and P. Mora},
-	Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
-	Note = {63rd international meeting of the SEG},
-	Pages = {215-217},
-	Title = {Implementation of the free surface boundary condition in 2-{D} and 3-{D} elastic cases},
-	Year = {1993}}
+        Author = {D. Rodrigues and P. Mora},
+        Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
+        Note = {63rd international meeting of the SEG},
+        Pages = {215-217},
+        Title = {Implementation of the free surface boundary condition in 2-{D} and 3-{D} elastic cases},
+        Year = {1993}}
 
 @inproceedings{RoMo92,
-	Author = {D. Rodrigues and P. Mora},
-	Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
-	Note = {62nd international meeting of the SEG},
-	Pages = {1247-1250},
-	Title = {Analysis of a finite difference solution to 3-{D} elastic wave propagation},
-	Year = {1992}}
+        Author = {D. Rodrigues and P. Mora},
+        Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
+        Note = {62nd international meeting of the SEG},
+        Pages = {1247-1250},
+        Title = {Analysis of a finite difference solution to 3-{D} elastic wave propagation},
+        Year = {1992}}
 
 @article{RoVaHelene,
-	Author = {A. A. Rodriguez and A. Valli},
-	Journal = {Mathematical Modelling and Numerical Analysis},
-	Number = {4},
-	Pages = {825-848},
-	Title = {Domain Decomposition Algorithms for Time-harmonic {M}axwell Equations with Damping},
-	Volume = {35},
-	Year = {2001}}
+        Author = {A. A. Rodriguez and A. Valli},
+        Journal = {Mathematical Modelling and Numerical Analysis},
+        Number = {4},
+        Pages = {825-848},
+        Title = {Domain Decomposition Algorithms for Time-harmonic {M}axwell Equations with Damping},
+        Volume = {35},
+        Year = {2001}}
 
 @article{RoLaGaRu04,
-	Author = {J. M. Rokosky and T. Lay and E. J. Garnero and S. A. Russel},
-	Doi = {10.1029/2003GL018902},
-	Journal = grl,
-	Pages = {L07605},
-	Title = {High-resolution investigation of shear wave anisotropy in {D}'' beneath the {C}ocos plate},
-	Volume = {31},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2003GL018902}}
+        Author = {J. M. Rokosky and T. Lay and E. J. Garnero and S. A. Russel},
+        Doi = {10.1029/2003GL018902},
+        Journal = grl,
+        Pages = {L07605},
+        Title = {High-resolution investigation of shear wave anisotropy in {D}'' beneath the {C}ocos plate},
+        Volume = {31},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2003GL018902}}
 
 @article{Rol68,
-	Author = {F. R. {Rollins Jr}},
-	Journal = jasa,
-	Number = {2},
-	Pages = {431-434},
-	Title = {Ultrasonic examination of liquid-solid boundaries using a right-angle reflector technique},
-	Volume = {44},
-	Year = {1968}}
+        Author = {F. R. {Rollins Jr}},
+        Journal = jasa,
+        Number = {2},
+        Pages = {431-434},
+        Title = {Ultrasonic examination of liquid-solid boundaries using a right-angle reflector technique},
+        Volume = {44},
+        Year = {1968}}
 
 @article{RolLimFar68,
-	Author = {F. R. {Rollins Jr} and T. C. Lim and G. W. Farnell},
-	Journal = {Applied Physics Letters},
-	Number = {7},
-	Pages = {236-238},
-	Title = {Ultrasonic reflectivity and surface wave phenomena on surfaces of copper single crystals},
-	Volume = {12},
-	Year = {1968}}
+        Author = {F. R. {Rollins Jr} and T. C. Lim and G. W. Farnell},
+        Journal = {Applied Physics Letters},
+        Number = {7},
+        Pages = {236-238},
+        Title = {Ultrasonic reflectivity and surface wave phenomena on surfaces of copper single crystals},
+        Volume = {12},
+        Year = {1968}}
 
 @article{Romanowicz08,
-	Author = {B. Romanowicz},
-	Journal = {Nature},
-	Pages = {266-268},
-	Title = {Using seismic waves to image {E}arth's internal structure},
-	Volume = {451},
-	Year = {2008}}
+        Author = {B. Romanowicz},
+        Journal = {Nature},
+        Pages = {266-268},
+        Title = {Using seismic waves to image {E}arth's internal structure},
+        Volume = {451},
+        Year = {2008}}
 
 @article{romanowicz1998,
-	Author = {B. Romanowicz},
-	Journal = pageoph,
-	Pages = {257-272},
-	Title = {Attenuation tomography of the {E}arth's mantle: a review of current status},
-	Volume = {153},
-	Year = {1998}}
+        Author = {B. Romanowicz},
+        Journal = pageoph,
+        Pages = {257-272},
+        Title = {Attenuation tomography of the {E}arth's mantle: a review of current status},
+        Volume = {153},
+        Year = {1998}}
 
 @article{romanowiczgung2002,
-	Author = {B. Romanowicz and Y. C. Gung},
-	Journal = {Science},
-	Pages = {513-516},
-	Title = {Superplumes from the core-mantle boundary to the lithosphere: implications for heat flux},
-	Volume = {296},
-	Year = {2002}}
+        Author = {B. Romanowicz and Y. C. Gung},
+        Journal = {Science},
+        Pages = {513-516},
+        Title = {Superplumes from the core-mantle boundary to the lithosphere: implications for heat flux},
+        Volume = {296},
+        Year = {2002}}
 
 @article{RoIaPa96,
-	Author = {C. Ronchi and R. Ianoco and P. S. Paolucci},
-	Journal = jcp,
-	Pages = {93-114},
-	Title = {The ``{C}ubed {S}phere'': a new method for the solution of partial differential equations in spherical geometry},
-	Volume = {124},
-	Year = {1996}}
+        Author = {C. Ronchi and R. Ianoco and P. S. Paolucci},
+        Journal = jcp,
+        Pages = {93-114},
+        Title = {The ``{C}ubed {S}phere'': a new method for the solution of partial differential equations in spherical geometry},
+        Volume = {124},
+        Year = {1996}}
 
 @incollection{RoBoFi05,
-	Address = {Washington DC, USA},
-	Author = {S. Rondenay and M. G. Bostock and K. M. Fischer},
-	Booktitle = {Seismic Earth: Array Analysis of Broadband Seismograms},
-	Editor = {Alan Levander and Guust Nolet},
-	Pages = {187-204},
-	Publisher = {American Geophysical Union},
-	Series = {Geophysical Monograph},
-	Title = {Multichannel inversion of scattered teleseismic body waves: practical considerations},
-	Volume = {157},
-	Year = {2005}}
+        Address = {Washington DC, USA},
+        Author = {S. Rondenay and M. G. Bostock and K. M. Fischer},
+        Booktitle = {Seismic Earth: Array Analysis of Broadband Seismograms},
+        Editor = {Alan Levander and Guust Nolet},
+        Pages = {187-204},
+        Publisher = {American Geophysical Union},
+        Series = {Geophysical Monograph},
+        Title = {Multichannel inversion of scattered teleseismic body waves: practical considerations},
+        Volume = {157},
+        Year = {2005}}
 
 @article{RoHiRi03,
-	Author = {S\'everine Rosat and Jacques Hinderer and Luis Rivera},
-	Doi = {10.1029/2003GL018304},
-	Journal = grl,
-	Number = {21},
-	Pages = {2111},
-	Title = {First observation of ${}_2{S}_1$ and study of the splitting of the football mode ${}_0{S}_2$ after the {J}une 2001 {P}eru earthquake of magnitude 8.4},
-	Volume = {30},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2003GL018304}}
+        Author = {S\'everine Rosat and Jacques Hinderer and Luis Rivera},
+        Doi = {10.1029/2003GL018304},
+        Journal = grl,
+        Number = {21},
+        Pages = {2111},
+        Title = {First observation of ${}_2{S}_1$ and study of the splitting of the football mode ${}_0{S}_2$ after the {J}une 2001 {P}eru earthquake of magnitude 8.4},
+        Volume = {30},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2003GL018304}}
 
 @article{RoBeCoKo10,
-	Author = {Diego Rossinelli and Michael Bergdorf and Georges-Henri Cottet and Petros Koumoutsakos},
-	Doi = {10.1016/j.jcp.2010.01.004},
-	Journal = jcp,
-	Number = {9},
-	Pages = {3316-3333},
-	Title = {{GPU} accelerated simulations of bluff body flows using vortex particle methods},
-	Volume = {229},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2010.01.004}}
+        Author = {Diego Rossinelli and Michael Bergdorf and Georges-Henri Cottet and Petros Koumoutsakos},
+        Doi = {10.1016/j.jcp.2010.01.004},
+        Journal = jcp,
+        Number = {9},
+        Pages = {3316-3333},
+        Title = {{GPU} accelerated simulations of bluff body flows using vortex particle methods},
+        Volume = {229},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2010.01.004}}
 
 @article{Roy08,
-	Author = {D. Royer},
-	Journal = jasa,
-	Number = {2},
-	Pages = {599-601},
-	Title = {Stresses and displacements for some Rayleigh-type surface acoustic waves propagating on an anisotropic half space (L)},
-	Volume = {123},
-	Year = {2008}}
+        Author = {D. Royer},
+        Journal = jasa,
+        Number = {2},
+        Pages = {599-601},
+        Title = {Stresses and displacements for some Rayleigh-type surface acoustic waves propagating on an anisotropic half space (L)},
+        Volume = {123},
+        Year = {2008}}
 
 @book{RoyDie96,
-	Author = {D. Royer and E. Dieulesaint},
-	Publisher = {Masson (Paris)},
-	Title = {Ondes elastiques dans les solides},
-	Volume = {1. Propagation libre et guid\'ee},
-	Year = {1996}}
+        Author = {D. Royer and E. Dieulesaint},
+        Publisher = {Masson (Paris)},
+        Title = {Ondes elastiques dans les solides},
+        Volume = {1. Propagation libre et guid\'ee},
+        Year = {1996}}
 
 @article{RoyDie84,
-	Author = {D. Royer and E. Dieulesaint},
-	Journal = jasa,
-	Number = {5},
-	Pages = {1438-1444},
-	Title = {Rayleigh wave velocity and displacement in orthorhombic, tetragonal, hexagonal, and cubic crystals},
-	Volume = {76},
-	Year = {1984}}
+        Author = {D. Royer and E. Dieulesaint},
+        Journal = jasa,
+        Number = {5},
+        Pages = {1438-1444},
+        Title = {Rayleigh wave velocity and displacement in orthorhombic, tetragonal, hexagonal, and cubic crystals},
+        Volume = {76},
+        Year = {1984}}
 
 @article{Rul69,
-	Author = {B. Rulf},
-	Journal = jasa,
-	Pages = {493-499},
-	Title = {Rayleigh waves on curved surfaces},
-	Volume = {45},
-	Year = {1969}}
+        Author = {B. Rulf},
+        Journal = jasa,
+        Pages = {493-499},
+        Title = {Rayleigh waves on curved surfaces},
+        Volume = {45},
+        Year = {1969}}
 
 @inproceedings{rumpf_strzodka_2006,
-	Address = {Germany},
-	Author = {M. Rumpf and R. Strzodka},
-	Booktitle = {Numerical Solution to Partial Differential Equations on Parallel Computers},
-	Pages = {89-134},
-	Publisher = {Springer-Verlag},
-	Series = {Lecture Notes in Computational Science and Engineering},
-	Title = {Graphics {P}rocessor {U}nits: {N}ew prospects for parallel computing},
-	Volume = {51},
-	Year = {2006}}
+        Address = {Germany},
+        Author = {M. Rumpf and R. Strzodka},
+        Booktitle = {Numerical Solution to Partial Differential Equations on Parallel Computers},
+        Pages = {89-134},
+        Publisher = {Springer-Verlag},
+        Series = {Lecture Notes in Computational Science and Engineering},
+        Title = {Graphics {P}rocessor {U}nits: {N}ew prospects for parallel computing},
+        Volume = {51},
+        Year = {2006}}
 
 @inproceedings{Rumpf:2001:NLD,
-	Author = {Martin Rumpf and Robert Strzodka},
-	Booktitle = {{Proceedings of EG/IEEE TCVG Symposium on Visualization (VisSym '01)}},
-	Month = may,
-	Pages = {75--84},
-	Title = {Nonlinear Diffusion in Graphics Hardware},
-	Year = {2001}}
+        Author = {Martin Rumpf and Robert Strzodka},
+        Booktitle = {{Proceedings of EG/IEEE TCVG Symposium on Visualization (VisSym '01)}},
+        Month = may,
+        Pages = {75--84},
+        Title = {Nonlinear Diffusion in Graphics Hardware},
+        Year = {2001}}
 
 @article{RuLaGa99,
-	Author = {S. A. Russell and T. Lay and E. J. Garnero},
-	Journal = jgr,
-	Number = {B6},
-	Pages = {13,183-13,199},
-	Title = {Small-scale lateral shear velocity and anisotropy heterogeneity near the core-mantle boundary beneath the central {P}acific imaged using broadband {ScS} waves},
-	Volume = {104},
-	Year = {1999}}
+        Author = {S. A. Russell and T. Lay and E. J. Garnero},
+        Journal = jgr,
+        Number = {B6},
+        Pages = {13,183-13,199},
+        Title = {Small-scale lateral shear velocity and anisotropy heterogeneity near the core-mantle boundary beneath the central {P}acific imaged using broadband {ScS} waves},
+        Volume = {104},
+        Year = {1999}}
 
 @article{Rya71,
-	Author = {R. L. Ryan},
-	Journal = {Journal of Sound and Vibration},
-	Number = {4},
-	Pages = {511-524},
-	Title = {Pulse propagation in a transversely isotropic half-space},
-	Volume = {14},
-	Year = {1971}}
+        Author = {R. L. Ryan},
+        Journal = {Journal of Sound and Vibration},
+        Number = {4},
+        Pages = {511-524},
+        Title = {Pulse propagation in a transversely isotropic half-space},
+        Volume = {14},
+        Year = {1971}}
 
 @article{RyLe83,
-	Author = {G. Ryskin and L. G. Leal},
-	Journal = jcp,
-	Pages = {71-100},
-	Title = {Orthogonal mapping},
-	Volume = {50},
-	Year = {1983}}
+        Author = {G. Ryskin and L. G. Leal},
+        Journal = jcp,
+        Pages = {71-100},
+        Title = {Orthogonal mapping},
+        Volume = {50},
+        Year = {1983}}
 
 @article{Ron96,
-	Author = {E. M. R{\o}nquist},
-	Journal = {Int. J. Num. Meth. Fluids},
-	Pages = {241-264},
-	Title = {Convection treatment using spectral elements of different order},
-	Volume = {22},
-	Year = {1996}}
+        Author = {E. M. R{\o}nquist},
+        Journal = {Int. J. Num. Meth. Fluids},
+        Pages = {241-264},
+        Title = {Convection treatment using spectral elements of different order},
+        Volume = {22},
+        Year = {1996}}
 
 @phdthesis{Ron88,
-	Address = {Massachussets},
-	Author = {E. M. R{\o}nquist},
-	School = {Massachussets Institute of Technology},
-	Title = {Optimal spectral element methods for the unsteady three-dimensional incompressible {N}avier-{S}tokes equations},
-	Year = {1988}}
+        Address = {Massachussets},
+        Author = {E. M. R{\o}nquist},
+        School = {Massachussets Institute of Technology},
+        Title = {Optimal spectral element methods for the unsteady three-dimensional incompressible {N}avier-{S}tokes equations},
+        Year = {1988}}
 
 @inproceedings{RoPa88,
-	Address = {Louvain-la-Neuve, Belgium},
-	Author = {E. M. R{\o}nquist and A. T. Patera},
-	Booktitle = {Proc. of the Seventh GAMM Conference on Numerical Methods in Fluid Mechanics},
-	Editor = {M. Deville},
-	Pages = {318-326},
-	Title = {A {L}egendre Spectral-Element Method for the Incompressible {N}avier-{S}tokes Equations},
-	Year = {1988}}
+        Address = {Louvain-la-Neuve, Belgium},
+        Author = {E. M. R{\o}nquist and A. T. Patera},
+        Booktitle = {Proc. of the Seventh GAMM Conference on Numerical Methods in Fluid Mechanics},
+        Editor = {M. Deville},
+        Pages = {318-326},
+        Title = {A {L}egendre Spectral-Element Method for the Incompressible {N}avier-{S}tokes Equations},
+        Year = {1988}}
 
 @article{RoPa87,
-	Author = {E. M. R{\o}nquist and A. T. Patera},
-	Journal = ijnme,
-	Pages = {2273-2299},
-	Title = {A {L}egendre {S}pectral {E}lement Method for the {S}tefan Problem},
-	Volume = {24},
-	Year = {1987}}
+        Author = {E. M. R{\o}nquist and A. T. Patera},
+        Journal = ijnme,
+        Pages = {2273-2299},
+        Title = {A {L}egendre {S}pectral {E}lement Method for the {S}tefan Problem},
+        Volume = {24},
+        Year = {1987}}
 
 @article{SuSh03,
-	Author = {M. P. S\"uss and J. H. Shaw},
-	Doi = {10.1029/2001JB001628},
-	Journal = jgr,
-	Number = {B3},
-	Pages = {2170},
-	Title = {P wave seismic velocity structure derived from sonic logs and industry reflection data in the {L}os {A}ngeles basin, {C}alifornia},
-	Volume = {108},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2001JB001628}}
+        Author = {M. P. S\"uss and J. H. Shaw},
+        Doi = {10.1029/2001JB001628},
+        Journal = jgr,
+        Number = {B3},
+        Pages = {2170},
+        Title = {P wave seismic velocity structure derived from sonic logs and industry reflection data in the {L}os {A}ngeles basin, {C}alifornia},
+        Volume = {108},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2001JB001628}}
 
 @incollection{San97,
-	Address = {Southampton},
-	Author = {F. J. S\'anchez-Sesma},
-	Booktitle = {Computer Analysis and Design of Earthquake resistant structures},
-	Editor = {D.E. Beskos and S.A. Angnostopoulos},
-	Pages = {201-239},
-	Publisher = {Comp. Mech. Publications},
-	Title = {Strong ground motion and site effects},
-	Year = {1997}}
+        Address = {Southampton},
+        Author = {F. J. S\'anchez-Sesma},
+        Booktitle = {Computer Analysis and Design of Earthquake resistant structures},
+        Editor = {D.E. Beskos and S.A. Angnostopoulos},
+        Pages = {201-239},
+        Publisher = {Comp. Mech. Publications},
+        Title = {Strong ground motion and site effects},
+        Year = {1997}}
 
 @article{San83,
-	Author = {F. J. S\'anchez-Sesma},
-	Journal = bssa,
-	Number = {6},
-	Pages = {1621-1636},
-	Title = {Diffraction of elastic waves by three-dimensional surface irregularities},
-	Volume = {73},
-	Year = {1983}}
+        Author = {F. J. S\'anchez-Sesma},
+        Journal = bssa,
+        Number = {6},
+        Pages = {1621-1636},
+        Title = {Diffraction of elastic waves by three-dimensional surface irregularities},
+        Volume = {73},
+        Year = {1983}}
 
 @inproceedings{SaBeBi96,
-	Author = {F. J. S\'anchez-Sesma and R. Benites and J. Bielak},
-	Booktitle = {Proceedings of the 11th World Conference on Earthquake Engineering},
-	Note = {Acapulco, Mexico, June 1996},
-	Pages = {1-19},
-	Title = {The assessment of strong ground motion: what lies ahead?},
-	Year = {1996}}
+        Author = {F. J. S\'anchez-Sesma and R. Benites and J. Bielak},
+        Booktitle = {Proceedings of the 11th World Conference on Earthquake Engineering},
+        Note = {Acapulco, Mexico, June 1996},
+        Pages = {1-19},
+        Title = {The assessment of strong ground motion: what lies ahead?},
+        Year = {1996}}
 
 @article{SaCa93,
-	Author = {F. J. S\'anchez-Sesma and M. Campillo},
-	Journal = {Tectonophysics},
-	Pages = {113-125},
-	Title = {Topographic effects for incident {{\it P, SV}} and {R}ayleigh waves},
-	Volume = {218},
-	Year = {1993}}
+        Author = {F. J. S\'anchez-Sesma and M. Campillo},
+        Journal = {Tectonophysics},
+        Pages = {113-125},
+        Title = {Topographic effects for incident {{\it P, SV}} and {R}ayleigh waves},
+        Volume = {218},
+        Year = {1993}}
 
 @article{SaCa91,
-	Author = {F. J. S\'anchez-Sesma and M. Campillo},
-	Journal = bssa,
-	Pages = {2234-2253},
-	Title = {Diffraction of {{\it P}}, {{\it SV}} and {R}ayleigh waves by topographic features: a boundary integral formulation},
-	Volume = {81},
-	Year = {1991}}
+        Author = {F. J. S\'anchez-Sesma and M. Campillo},
+        Journal = bssa,
+        Pages = {2234-2253},
+        Title = {Diffraction of {{\it P}}, {{\it SV}} and {R}ayleigh waves by topographic features: a boundary integral formulation},
+        Volume = {81},
+        Year = {1991}}
 
 @article{SaLu96,
-	Author = {F. J. S\'anchez-Sesma and F. Luz\'on},
-	Journal = gji,
-	Pages = {209-214},
-	Title = {Can horizontal {{\it P}} waves be trapped and resonate in a shallow sedimentary basin?},
-	Volume = {124},
-	Year = {1996}}
+        Author = {F. J. S\'anchez-Sesma and F. Luz\'on},
+        Journal = gji,
+        Pages = {209-214},
+        Title = {Can horizontal {{\it P}} waves be trapped and resonate in a shallow sedimentary basin?},
+        Volume = {124},
+        Year = {1996}}
 
 @article{SaRaCa93,
-	Author = {F. J. S\'anchez-Sesma and J. Ramos-Martinez and M. Campillo},
-	Journal = eesd,
-	Pages = {279-295},
-	Title = {An indirect boundary element method applied to simulate the seismic response of alluvial valleys for incident {{\it P, SV}} and {R}ayleigh waves},
-	Volume = {22},
-	Year = {1993}}
+        Author = {F. J. S\'anchez-Sesma and J. Ramos-Martinez and M. Campillo},
+        Journal = eesd,
+        Pages = {279-295},
+        Title = {An indirect boundary element method applied to simulate the seismic response of alluvial valleys for incident {{\it P, SV}} and {R}ayleigh waves},
+        Volume = {22},
+        Year = {1993}}
 
 @article{SaRo79,
-	Author = {F. J. S\'anchez-Sesma and E. Rosenblueth},
-	Journal = eesd,
-	Pages = {441-450},
-	Title = {Ground motion at canyons of arbitrary shape under incident {{\it SH}} waves},
-	Volume = {7},
-	Year = {1979}}
+        Author = {F. J. S\'anchez-Sesma and E. Rosenblueth},
+        Journal = eesd,
+        Pages = {441-450},
+        Title = {Ground motion at canyons of arbitrary shape under incident {{\it SH}} waves},
+        Volume = {7},
+        Year = {1979}}
 
 @article{SaKiLeLe95,
-	Author = {Z. S. Sacks and D. M. Kingsland and R. Lee and J. F. Lee},
-	Journal = {IEEE transactions on Antennas and Propagation},
-	Number = {12},
-	Pages = {1460-1463},
-	Title = {A {P}erfectly {M}atched anisotropic absorber for use as an absorbing boundary condition},
-	Volume = {43},
-	Year = {1995}}
+        Author = {Z. S. Sacks and D. M. Kingsland and R. Lee and J. F. Lee},
+        Journal = {IEEE transactions on Antennas and Propagation},
+        Number = {12},
+        Pages = {1460-1463},
+        Title = {A {P}erfectly {M}atched anisotropic absorber for use as an absorbing boundary condition},
+        Volume = {43},
+        Year = {1995}}
 
 @article{Sad72,
-	Author = {R. Sadourny},
-	Journal = {Monthly Weather Review},
-	Pages = {136-144},
-	Title = {Conservative finite-difference approximations of the primitive equations on quasi-uniform spherical grids},
-	Volume = {100},
-	Year = {1972}}
+        Author = {R. Sadourny},
+        Journal = {Monthly Weather Review},
+        Pages = {136-144},
+        Title = {Conservative finite-difference approximations of the primitive equations on quasi-uniform spherical grids},
+        Volume = {100},
+        Year = {1972}}
 
 @article{SaBo04,
-	Author = {Erik H. Saenger and Thomas Bohlen},
-	Doi = {10.1190/1.1707078},
-	Journal = geophysics,
-	Number = {2},
-	Pages = {583-591},
-	Title = {Finite-difference modeling of viscoelastic and anisotropic wave propagation using the rotated staggered grid},
-	Volume = {69},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1707078}}
+        Author = {Erik H. Saenger and Thomas Bohlen},
+        Doi = {10.1190/1.1707078},
+        Journal = geophysics,
+        Number = {2},
+        Pages = {583-591},
+        Title = {Finite-difference modeling of viscoelastic and anisotropic wave propagation using the rotated staggered grid},
+        Volume = {69},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1707078}}
 
 @article{SaGoSh00,
-	Author = {E. H. Saenger and N. Gold and S. A. Shapiro},
-	Journal = {Wave Motion},
-	Number = {1},
-	Pages = {77-92(16)},
-	Title = {Modeling the propagation of elastic waves using a modified finite-difference grid},
-	Volume = {31},
-	Year = {2000}}
+        Author = {E. H. Saenger and N. Gold and S. A. Shapiro},
+        Journal = {Wave Motion},
+        Number = {1},
+        Pages = {77-92(16)},
+        Title = {Modeling the propagation of elastic waves using a modified finite-difference grid},
+        Volume = {31},
+        Year = {2000}}
 
 @article{SaSh02,
-	Author = {E. H. Saenger and S. A. Shapiro},
-	Journal = {Geophysical Prospecting},
-	Pages = {183-194},
-	Title = {Effective velocities in fractured media: a numerical study using the rotated staggered finite-difference grid},
-	Volume = {50},
-	Year = {2002}}
+        Author = {E. H. Saenger and S. A. Shapiro},
+        Journal = {Geophysical Prospecting},
+        Pages = {183-194},
+        Title = {Effective velocities in fractured media: a numerical study using the rotated staggered finite-difference grid},
+        Volume = {50},
+        Year = {2002}}
 
 @article{SaOd93,
-	Author = {A. Safjan and J. T. Oden},
-	Journal = cmame,
-	Pages = {187-230},
-	Title = {High-order {T}aylor-{G}alerkin and adaptative {\it h-p} methods for second-order hyperbolic systems: application to elastodynamics},
-	Volume = {103},
-	Year = {1993}}
+        Author = {A. Safjan and J. T. Oden},
+        Journal = cmame,
+        Pages = {187-230},
+        Title = {High-order {T}aylor-{G}alerkin and adaptative {\it h-p} methods for second-order hyperbolic systems: application to elastodynamics},
+        Volume = {103},
+        Year = {1993}}
 
 @article{ks,
-	Author = {K. Salkauskas},
-	Journal = {Rocky Mountain J. Math.},
-	Pages = {239-250},
-	Title = {{$C^1$} splines for interpolation of rapidly varying data},
-	Volume = {14},
-	Year = {1974}}
+        Author = {K. Salkauskas},
+        Journal = {Rocky Mountain J. Math.},
+        Pages = {239-250},
+        Title = {{$C^1$} splines for interpolation of rapidly varying data},
+        Volume = {14},
+        Year = {1974}}
 
 @article{SaKaSaPi01,
-	Author = {Toshimi Satoh and Hiroshi Kawase and Toshiaki Sato and Arben Pitarka},
-	Journal = bssa,
-	Pages = {365-380},
-	Title = {Three-Dimensional Finite-Difference Waveform Modeling of Strong Motions Observed in the {S}endai Basin, {J}apan},
-	Volume = {91},
-	Year = {2001}}
+        Author = {Toshimi Satoh and Hiroshi Kawase and Toshiaki Sato and Arben Pitarka},
+        Journal = bssa,
+        Pages = {365-380},
+        Title = {Three-Dimensional Finite-Difference Waveform Modeling of Strong Motions Observed in the {S}endai Basin, {J}apan},
+        Volume = {91},
+        Year = {2001}}
 
 @article{SaKoTr10,
-	Author = {Brian Savage and Dimitri Komatitsch and Jeroen Tromp},
-	Doi = {10.1785/0120090263},
-	Journal = bssa,
-	Number = {3},
-	Pages = {1241-1251},
-	Title = {Effects of {3D} attenuation on seismic wave amplitude and phase measurements},
-	Volume = {100},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120090263}}
+        Author = {Brian Savage and Dimitri Komatitsch and Jeroen Tromp},
+        Doi = {10.1785/0120090263},
+        Journal = bssa,
+        Number = {3},
+        Pages = {1241-1251},
+        Title = {Effects of {3D} attenuation on seismic wave amplitude and phase measurements},
+        Volume = {100},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1785/0120090263}}
 
 @inproceedings{SavWiTr05,
-	Author = {Savage, B. and D. A. Wiens and J. Tromp},
-	Booktitle = {Expanded abstracts of the American Geophysical Union},
-	Note = {abstract T31D-04},
-	Title = {Effects of 3{D} Velocity and Attenuation in the {T}onga-{F}iji Subduction Zone},
-	Year = {Fall Meeting 2005}}
+        Author = {Savage, B. and D. A. Wiens and J. Tromp},
+        Booktitle = {Expanded abstracts of the American Geophysical Union},
+        Note = {abstract T31D-04},
+        Title = {Effects of 3{D} Velocity and Attenuation in the {T}onga-{F}iji Subduction Zone},
+        Year = {Fall Meeting 2005}}
 
 @article{ScHuYeHu96,
-	Author = {C. L. Schneider and C. Hummon and R. S. Yeats and G. J. Huftile},
-	Journal = {Tectonics},
-	Pages = {341-355},
-	Title = {Structural evolution of the northern {L}os {A}ngeles basin, {C}alifornia, based on growth strata},
-	Volume = {15},
-	Year = {1996}}
+        Author = {C. L. Schneider and C. Hummon and R. S. Yeats and G. J. Huftile},
+        Journal = {Tectonics},
+        Pages = {341-355},
+        Title = {Structural evolution of the northern {L}os {A}ngeles basin, {C}alifornia, based on growth strata},
+        Volume = {15},
+        Year = {1996}}
 
 @article{ScMu89,
-	Author = {M. Schoenberg and F. Muir},
-	Journal = geophysics,
-	Number = {5},
-	Pages = {581-589},
-	Title = {A calculus for finely layered anisotropic media},
-	Volume = {54},
-	Year = {1989}}
+        Author = {M. Schoenberg and F. Muir},
+        Journal = geophysics,
+        Number = {5},
+        Pages = {581-589},
+        Title = {A calculus for finely layered anisotropic media},
+        Volume = {54},
+        Year = {1989}}
 
 @inproceedings{Schroeder:2009:DEI,
-	Author = {Bianca Schroeder and Eduardo Pinheiro and Wolf-Dietrich Weber},
-	Booktitle = {SIGMETRICS/Performance '09: Proceedings of the 2009 Joint International Conference on Measurement \& Modeling of Computer Systems},
-	Doi = {10.1145/1555349.1555372},
-	Month = jun,
-	Pages = {193--204},
-	Title = {{DRAM} errors in the wild: {A} large-scale field study},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1145/1555349.1555372}}
+        Author = {Bianca Schroeder and Eduardo Pinheiro and Wolf-Dietrich Weber},
+        Booktitle = {SIGMETRICS/Performance '09: Proceedings of the 2009 Joint International Conference on Measurement \& Modeling of Computer Systems},
+        Doi = {10.1145/1555349.1555372},
+        Month = jun,
+        Pages = {193--204},
+        Title = {{DRAM} errors in the wild: {A} large-scale field study},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1555349.1555372}}
 
 @techreport{Sch03,
-	Address = {Germany},
-	Author = {B. Schubert},
-	Institution = {University of Munich},
-	Note = {unpublished report, 165 p.},
-	Title = {The spectral-element method for seismic wave propagation: theory, implementation and comparison to finite-difference methods},
-	Year = {2003}}
+        Address = {Germany},
+        Author = {B. Schubert},
+        Institution = {University of Munich},
+        Note = {unpublished report, 165 p.},
+        Title = {The spectral-element method for seismic wave propagation: theory, implementation and comparison to finite-difference methods},
+        Year = {2003}}
 
 @article{Ser04,
-	Author = {G. Seriani},
-	Journal = {Wave Motion},
-	Pages = {351-360},
-	Title = {Double-grid {C}hebyshev spectral elements for acoustic wave modeling},
-	Volume = {39},
-	Year = {2004}}
+        Author = {G. Seriani},
+        Journal = {Wave Motion},
+        Pages = {351-360},
+        Title = {Double-grid {C}hebyshev spectral elements for acoustic wave modeling},
+        Volume = {39},
+        Year = {2004}}
 
 @article{Ser98,
-	Author = {G\'eza Seriani},
-	Journal = cmame,
-	Pages = {235-247},
-	Title = {3-{D} large-scale wave propagation modeling by a spectral element method on a {C}ray {T3E} multiprocessor},
-	Volume = {164},
-	Year = {1998}}
+        Author = {G\'eza Seriani},
+        Journal = cmame,
+        Pages = {235-247},
+        Title = {3-{D} large-scale wave propagation modeling by a spectral element method on a {C}ray {T3E} multiprocessor},
+        Volume = {164},
+        Year = {1998}}
 
 @article{Ser97,
-	Author = {G\'eza Seriani},
-	Journal = jca,
-	Pages = {53-69},
-	Title = {A parallel spectral element method for acoustic wave modeling},
-	Volume = {5},
-	Year = {1997}}
+        Author = {G\'eza Seriani},
+        Journal = jca,
+        Pages = {53-69},
+        Title = {A parallel spectral element method for acoustic wave modeling},
+        Volume = {5},
+        Year = {1997}}
 
 @article{SeOl08,
-	Author = {G. Seriani and S. P. Oliveira},
-	Doi = {10.1016/j.wavemoti.2007.11.007},
-	Journal = {Wave Motion},
-	Pages = {729-744},
-	Title = {Dispersion analysis of spectral-element methods for elastic wave propagation},
-	Volume = {45},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.wavemoti.2007.11.007}}
+        Author = {G. Seriani and S. P. Oliveira},
+        Doi = {10.1016/j.wavemoti.2007.11.007},
+        Journal = {Wave Motion},
+        Pages = {729-744},
+        Title = {Dispersion analysis of spectral-element methods for elastic wave propagation},
+        Volume = {45},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.wavemoti.2007.11.007}}
 
 @article{SePr94,
-	Author = {G. Seriani and E. Priolo},
-	Journal = {Finite Elements in Analysis and Design},
-	Pages = {337-348},
-	Title = {A spectral element method for acoustic wave simulation in heterogeneous media},
-	Volume = {16},
-	Year = {1994}}
+        Author = {G. Seriani and E. Priolo},
+        Journal = {Finite Elements in Analysis and Design},
+        Pages = {337-348},
+        Title = {A spectral element method for acoustic wave simulation in heterogeneous media},
+        Volume = {16},
+        Year = {1994}}
 
 @inproceedings{SePr91,
-	Address = {Houston, Texas, USA},
-	Author = {G. Seriani and E. Priolo},
-	Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
-	Pages = {1561-1564},
-	Series = {61st international meeting of the SEG},
-	Title = {High-order spectral element method for acoustic wave modeling},
-	Year = {1991}}
+        Address = {Houston, Texas, USA},
+        Author = {G. Seriani and E. Priolo},
+        Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
+        Pages = {1561-1564},
+        Series = {61st international meeting of the SEG},
+        Title = {High-order spectral element method for acoustic wave modeling},
+        Year = {1991}}
 
 @inproceedings{SePrCaPa92,
-	Address = {New-Orleans, Louisiana, USA},
-	Author = {G. Seriani and E. Priolo and J. M. Carcione and E. Padovani},
-	Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
-	Pages = {1285-1288},
-	Series = {62nd international meeting of the SEG},
-	Title = {High-order spectral element method for elastic wave modeling},
-	Year = {1992}}
+        Address = {New-Orleans, Louisiana, USA},
+        Author = {G. Seriani and E. Priolo and J. M. Carcione and E. Padovani},
+        Booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
+        Pages = {1285-1288},
+        Series = {62nd international meeting of the SEG},
+        Title = {High-order spectral element method for elastic wave modeling},
+        Year = {1992}}
 
 @inproceedings{SePrPr95,
-	Author = {G. Seriani and E. Priolo and A. Pregarz},
-	Booktitle = {Proceedings of the third international conference on mathematical and numerical aspects of wave propagation},
-	Editor = {G. Cohen},
-	Pages = {289-298},
-	Publisher = {SIAM, Philadephia, PA},
-	Title = {Modelling waves in anisotropic media by a spectral element method},
-	Year = {1995}}
+        Author = {G. Seriani and E. Priolo and A. Pregarz},
+        Booktitle = {Proceedings of the third international conference on mathematical and numerical aspects of wave propagation},
+        Editor = {G. Cohen},
+        Pages = {289-298},
+        Publisher = {SIAM, Philadephia, PA},
+        Title = {Modelling waves in anisotropic media by a spectral element method},
+        Year = {1995}}
 
 @article{SeOl07,
-	Author = {G{\'e}za Seriani and Saulo P. Oliveira},
-	Doi = {10.1190/1.2750715},
-	Journal = geophysics,
-	Number = {5},
-	Pages = {SM95-SM106},
-	Title = {Optimal blended spectral-element operators for acoustic wave modeling},
-	Volume = {72},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2750715}}
+        Author = {G{\'e}za Seriani and Saulo P. Oliveira},
+        Doi = {10.1190/1.2750715},
+        Journal = geophysics,
+        Number = {5},
+        Pages = {SM95-SM106},
+        Title = {Optimal blended spectral-element operators for acoustic wave modeling},
+        Volume = {72},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.2750715}}
 
 @article{ShOlSi02,
-	Author = {Nikolai M. Shapiro and Kim B. Olsen and Shri K. Singh},
-	Journal = gji,
-	Pages = {501-510},
-	Title = {On the duration of seismic motion incident onto the Valley of {M}exico for subduction zone earthquakes},
-	Volume = {151},
-	Year = {2002}}
+        Author = {Nikolai M. Shapiro and Kim B. Olsen and Shri K. Singh},
+        Journal = gji,
+        Pages = {501-510},
+        Title = {On the duration of seismic motion incident onto the Valley of {M}exico for subduction zone earthquakes},
+        Volume = {151},
+        Year = {2002}}
 
 @article{Sha07,
-	Author = {M. D. Sharma},
-	Journal = {Journal of Seismology},
-	Pages = {187-197},
-	Title = {Spatial dispersion of surface waves at the free surface of a general anisotropic elastic medium},
-	Volume = {11},
-	Year = {2007}}
+        Author = {M. D. Sharma},
+        Journal = {Journal of Seismology},
+        Pages = {187-197},
+        Title = {Spatial dispersion of surface waves at the free surface of a general anisotropic elastic medium},
+        Volume = {11},
+        Year = {2007}}
 
 @inproceedings{ShSuRi99,
-	Address = {Palm Springs, California},
-	Author = {J. H. Shaw and P. S\"uss and C. Rivero},
-	Booktitle = {SCEC Annual Meeting},
-	Title = {Structural and seismologic investigations of concealed earthquake sources in the {L}os {A}ngeles metropolitan area},
-	Year = {1999}}
+        Address = {Palm Springs, California},
+        Author = {J. H. Shaw and P. S\"uss and C. Rivero},
+        Booktitle = {SCEC Annual Meeting},
+        Title = {Structural and seismologic investigations of concealed earthquake sources in the {L}os {A}ngeles metropolitan area},
+        Year = {1999}}
 
 @article{ShSh99,
-	Author = {J. H. Shaw and P. Shearer},
-	Journal = {Science},
-	Pages = {1516-1518},
-	Title = {An elusive blind-thrust fault beneath metropolitan {L}os {A}ngeles},
-	Volume = {283},
-	Year = {1999}}
+        Author = {J. H. Shaw and P. Shearer},
+        Journal = {Science},
+        Pages = {1516-1518},
+        Title = {An elusive blind-thrust fault beneath metropolitan {L}os {A}ngeles},
+        Volume = {283},
+        Year = {1999}}
 
 @article{ShSu96,
-	Author = {John H. Shaw and J. Suppe},
-	Journal = jgr,
-	Pages = {8623-8642},
-	Title = {Earthquake hazards of active blind-thrust faults under the central {L}os {A}ngeles basin, {C}alifornia},
-	Volume = {101},
-	Year = {1996}}
+        Author = {John H. Shaw and J. Suppe},
+        Journal = jgr,
+        Pages = {8623-8642},
+        Title = {Earthquake hazards of active blind-thrust faults under the central {L}os {A}ngeles basin, {C}alifornia},
+        Volume = {101},
+        Year = {1996}}
 
 @inproceedings{Sheaffer:2007:AHR,
-	Author = {Jeremy W. Sheaffer and David P. Luebke and Kevin Skadron},
-	Booktitle = {Graphics Hardware 2007},
-	Editor = {Timo Aila and Mark Segal},
-	Month = aug,
-	Pages = {55--64},
-	Title = {A Hardware Redundancy and Recovery Mechanism for Reliable Scientific Computation on Graphics Processors},
-	Year = {2007}}
+        Author = {Jeremy W. Sheaffer and David P. Luebke and Kevin Skadron},
+        Booktitle = {Graphics Hardware 2007},
+        Editor = {Timo Aila and Mark Segal},
+        Month = aug,
+        Pages = {55--64},
+        Title = {A Hardware Redundancy and Recovery Mechanism for Reliable Scientific Computation on Graphics Processors},
+        Year = {2007}}
 
 @article{Shearer94,
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-	Journal = jgr,
-	Pages = {19647-19659},
-	Title = {Constraints on inner core anisotropy from {PKP(DF)} travel times},
-	Volume = {99},
-	Year = {1994}}
+        Author = {P. M. Shearer},
+        Journal = jgr,
+        Pages = {19647-19659},
+        Title = {Constraints on inner core anisotropy from {PKP(DF)} travel times},
+        Volume = {99},
+        Year = {1994}}
 
 @article{ShTuBaOr06,
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-	Doi = {10.1016/j.cageo.2005.11.001},
-	Journal = {Computers and Geosciences},
-	Pages = {1182-1191},
-	Title = {Parallel implementation of a velocity-stress staggered-grid finite-difference method for 2-{D} poroelastic wave propagation},
-	Volume = {32},
-	Year = {2006},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cageo.2005.11.001}}
+        Author = {Dong-Hoon Sheen and Kagan Tuncay and Chang-Eob Baag and Peter J. Ortoleva},
+        Doi = {10.1016/j.cageo.2005.11.001},
+        Journal = {Computers and Geosciences},
+        Pages = {1182-1191},
+        Title = {Parallel implementation of a velocity-stress staggered-grid finite-difference method for 2-{D} poroelastic wave propagation},
+        Volume = {32},
+        Year = {2006},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.cageo.2005.11.001}}
 
 @article{ShJo06,
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-	Doi = {10.1007/s00366-008-0091-4},
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-	Pages = {195 - 213},
-	Title = {Hexahedral mesh generation constraints},
-	Volume = {24},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1007/s00366-008-0091-4}}
+        Author = {J. F. Shepherd and Ch. R. Johnson},
+        Doi = {10.1007/s00366-008-0091-4},
+        Journal = {Engineering with Computers},
+        Number = {3},
+        Pages = {195 - 213},
+        Title = {Hexahedral mesh generation constraints},
+        Volume = {24},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/s00366-008-0091-4}}
 
 @book{ShGe82,
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-	Author = {R. E. Sheriff and L. P. Geldart},
-	Publisher = {Cambridge University Press},
-	Title = {Exploration seismology: history, theory and data acquisition},
-	Year = {1982}}
+        Address = {Cambridge},
+        Author = {R. E. Sheriff and L. P. Geldart},
+        Publisher = {Cambridge University Press},
+        Title = {Exploration seismology: history, theory and data acquisition},
+        Year = {1982}}
 
 @article{ShKarn95,
-	Author = {S. J. Sherwin and G. E. Karniadakis},
-	Journal = cmame,
-	Pages = {189-229},
-	Title = {A triangular spectral element method: applications to the incompressible {N}avier-{S}tokes equations},
-	Volume = {123},
-	Year = {1995}}
+        Author = {S. J. Sherwin and G. E. Karniadakis},
+        Journal = cmame,
+        Pages = {189-229},
+        Title = {A triangular spectral element method: applications to the incompressible {N}avier-{S}tokes equations},
+        Volume = {123},
+        Year = {1995}}
 
 @article{Shinguetal2002,
-	Author = {Satoru Shingu and Hiroshi Takahara and Hiromitsu Fuchigami and Masayuki Yamada and Yoshinori Tsuda and Wataru Ohfuchi and Yuji Sasaki and Kazuo Kobayashi and Takashi Hagiwara and Shin-Ichi Habata and Mitsuo Yokokawa and Hiroyuki Itoh and Kiyoshi Otsuka},
-	Journal = {Proceedings of the ACM/IEEE Supercomputing SC'2002 conference},
-	Note = {Published on CD-ROM and at www.sc-conference.org/sc2002},
-	Title = {A 26.58 teraflops Global Atmospheric Simulation with the Spectral Transform Method on the {E}arth {S}imulator},
-	Year = {2002}}
+        Author = {Satoru Shingu and Hiroshi Takahara and Hiromitsu Fuchigami and Masayuki Yamada and Yoshinori Tsuda and Wataru Ohfuchi and Yuji Sasaki and Kazuo Kobayashi and Takashi Hagiwara and Shin-Ichi Habata and Mitsuo Yokokawa and Hiroyuki Itoh and Kiyoshi Otsuka},
+        Journal = {Proceedings of the ACM/IEEE Supercomputing SC'2002 conference},
+        Note = {Published on CD-ROM and at www.sc-conference.org/sc2002},
+        Title = {A 26.58 teraflops Global Atmospheric Simulation with the Spectral Transform Method on the {E}arth {S}imulator},
+        Year = {2002}}
 
 @article{Shu02,
-	Author = {A. L. Shuvalov},
-	Journal = {Wave Motion},
-	Pages = {305},
-	Title = {Erratum: {O}n the theory of plane inhomogeneous waves in anisotropic elastic media},
-	Volume = {36},
-	Year = {2002}}
+        Author = {A. L. Shuvalov},
+        Journal = {Wave Motion},
+        Pages = {305},
+        Title = {Erratum: {O}n the theory of plane inhomogeneous waves in anisotropic elastic media},
+        Volume = {36},
+        Year = {2002}}
 
 @article{Shu01,
-	Author = {A. L. Shuvalov},
-	Journal = {Wave Motion},
-	Pages = {401-429},
-	Title = {On the theory of plane inhomogeneous waves in anisotropic elastic media},
-	Volume = {34},
-	Year = {2001}}
+        Author = {A. L. Shuvalov},
+        Journal = {Wave Motion},
+        Pages = {401-429},
+        Title = {On the theory of plane inhomogeneous waves in anisotropic elastic media},
+        Volume = {34},
+        Year = {2001}}
 
 @article{ShuEve00,
-	Author = {A. L. Shuvalov and A. G. Every},
-	Journal = jasa,
-	Number = {5},
-	Pages = {2107-2113},
-	Title = {Transverse curvature of the acoustic slowness surface in crystal symmetry planes and associated phonon focusing cusps},
-	Volume = {108},
-	Year = {2000}}
+        Author = {A. L. Shuvalov and A. G. Every},
+        Journal = jasa,
+        Number = {5},
+        Pages = {2107-2113},
+        Title = {Transverse curvature of the acoustic slowness surface in crystal symmetry planes and associated phonon focusing cusps},
+        Volume = {108},
+        Year = {2000}}
 
 @article{ShuEve97,
-	Author = {A. L. Shuvalov and A. G. Every},
-	Journal = jasa,
-	Number = {4},
-	Pages = {2381-2383},
-	Title = {Shape of the acoustic slowness surface of anisotropic solids near points of conical degeneracy},
-	Volume = {101},
-	Year = {1997}}
+        Author = {A. L. Shuvalov and A. G. Every},
+        Journal = jasa,
+        Number = {4},
+        Pages = {2381-2383},
+        Title = {Shape of the acoustic slowness surface of anisotropic solids near points of conical degeneracy},
+        Volume = {101},
+        Year = {1997}}
 
 @article{ShuPonDes05,
-	Author = {A. L. Shuvalov and O. Poncelet and M. Deschamps},
-	Journal = {Mathematics and Mechanics of Solids},
-	Pages = {249--279},
-	Title = {Plane inhomogeneous elastic waves in transversely isotropic media: explicit analysis of different types of degeneracy},
-	Volume = {10},
-	Year = {2005}}
+        Author = {A. L. Shuvalov and O. Poncelet and M. Deschamps},
+        Journal = {Mathematics and Mechanics of Solids},
+        Pages = {249--279},
+        Title = {Plane inhomogeneous elastic waves in transversely isotropic media: explicit analysis of different types of degeneracy},
+        Volume = {10},
+        Year = {2005}}
 
 @article{SiLiTrTr07a,
-	Author = {Anne Sieminski and Qinya Liu and Jeannot Trampert and Jeroen Tromp},
-	Doi = {10.1111/j.1365-246X.2006.03261.x},
-	Journal = gji,
-	Number = {3},
-	Pages = {1153--1174},
-	Title = {Finite-frequency sensitivity of surface waves to anisotropy based upon adjoint methods},
-	Volume = {168},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03261.x}}
+        Author = {Anne Sieminski and Qinya Liu and Jeannot Trampert and Jeroen Tromp},
+        Doi = {10.1111/j.1365-246X.2006.03261.x},
+        Journal = gji,
+        Number = {3},
+        Pages = {1153--1174},
+        Title = {Finite-frequency sensitivity of surface waves to anisotropy based upon adjoint methods},
+        Volume = {168},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03261.x}}
 
 @article{SiLiTrTr07b,
-	Author = {Anne Sieminski and Qinya Liu and Jeannot Trampert and Jeroen Tromp},
-	Doi = {10.1111/j.1365-246X.2007.03528.x},
-	Journal = gji,
-	Pages = {368--389},
-	Title = {Finite-frequency sensitivity of body waves to anisotropy based upon adjoint methods},
-	Volume = {171},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2007.03528.x}}
+        Author = {Anne Sieminski and Qinya Liu and Jeannot Trampert and Jeroen Tromp},
+        Doi = {10.1111/j.1365-246X.2007.03528.x},
+        Journal = gji,
+        Pages = {368--389},
+        Title = {Finite-frequency sensitivity of body waves to anisotropy based upon adjoint methods},
+        Volume = {171},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2007.03528.x}}
 
 @article{silver1996,
-	Author = {P. G. Silver},
-	Journal = {Annual Review of Earth and Planetary Sciences},
-	Pages = {385-xxx},
-	Title = {Seismic anisotropy beneath the continents: Probing the depths of geology},
-	Volume = {24},
-	Year = {1996}}
+        Author = {P. G. Silver},
+        Journal = {Annual Review of Earth and Planetary Sciences},
+        Pages = {385-xxx},
+        Title = {Seismic anisotropy beneath the continents: Probing the depths of geology},
+        Volume = {24},
+        Year = {1996}}
 
 @article{Sim92,
-	Author = {J. C. Simo},
-	Journal = cmame,
-	Pages = {61-112},
-	Title = {Algorithms for static and dynamic multiplicative plasticity that preserve the classical return mapping schemes of the infinitesimal theory},
-	Volume = {99},
-	Year = {1992}}
+        Author = {J. C. Simo},
+        Journal = cmame,
+        Pages = {61-112},
+        Title = {Algorithms for static and dynamic multiplicative plasticity that preserve the classical return mapping schemes of the infinitesimal theory},
+        Volume = {99},
+        Year = {1992}}
 
 @article{SiTaWo92,
-	Author = {J. C. Simo and N. Tarnow and K. K. Wong},
-	Journal = cmame,
-	Pages = {63-116},
-	Title = {Exact energy-momentum conserving algorithms and symplectic schemes for nonlinear dynamics},
-	Volume = {100},
-	Year = {1992}}
+        Author = {J. C. Simo and N. Tarnow and K. K. Wong},
+        Journal = cmame,
+        Pages = {63-116},
+        Title = {Exact energy-momentum conserving algorithms and symplectic schemes for nonlinear dynamics},
+        Volume = {100},
+        Year = {1992}}
 
 @article{simonsetal2002,
-	Author = {F. J. Simons and R. D. van der Hilst and J. P. Montagner and A. Zielhuis},
-	Journal = gji,
-	Number = {3},
-	Pages = {738-754},
-	Title = {Multimode {R}ayleigh wave inversion for heterogeneity and azimuthal anisotropy of the {A}ustralian upper mantle},
-	Volume = {151},
-	Year = {2002}}
+        Author = {F. J. Simons and R. D. van der Hilst and J. P. Montagner and A. Zielhuis},
+        Journal = gji,
+        Number = {3},
+        Pages = {738-754},
+        Title = {Multimode {R}ayleigh wave inversion for heterogeneity and azimuthal anisotropy of the {A}ustralian upper mantle},
+        Volume = {151},
+        Year = {2002}}
 
 @article{SiSa77,
-	Author = {S. K. Singh and F. J. Sabina},
-	Journal = bssa,
-	Pages = {345-352},
-	Title = {Ground-motion amplification by topographic depressions for incident {{\it P}} wave under acoustic approximation},
-	Volume = {67},
-	Year = {1977}}
+        Author = {S. K. Singh and F. J. Sabina},
+        Journal = bssa,
+        Pages = {345-352},
+        Title = {Ground-motion amplification by topographic depressions for incident {{\it P}} wave under acoustic approximation},
+        Volume = {67},
+        Year = {1977}}
 
 @article{SiPr04,
-	Author = {Laurent Sirgue and R. Gerhard Pratt},
-	Journal = geophysics,
-	Number = {1},
-	Pages = {231-248},
-	Title = {Efficient waveform inversion and imaging: A strategy for selecting temporal frequencies},
-	Volume = {69},
-	Year = {2004}}
+        Author = {Laurent Sirgue and R. Gerhard Pratt},
+        Journal = geophysics,
+        Number = {1},
+        Pages = {231-248},
+        Title = {Efficient waveform inversion and imaging: A strategy for selecting temporal frequencies},
+        Volume = {69},
+        Year = {2004}}
 
 @article{Sjostrand,
-	Author = {J. Sj\o{}strand},
-	Journal = {Lecture Notes},
-	Pages = {120-223},
-	Title = {Fourier Integral Operators with Complex-Valued Phase Functions},
-	Volume = {459},
-	Year = {1974}}
+        Author = {J. Sj\o{}strand},
+        Journal = {Lecture Notes},
+        Pages = {120-223},
+        Title = {Fourier Integral Operators with Complex-Valued Phase Functions},
+        Volume = {459},
+        Year = {1974}}
 
 @article{Ske07,
-	Author = {Elizabeth A. Skelton and S. D. M. Adams and R. V. Craster},
-	Journal = {Wave Motion},
-	Pages = {573-592},
-	Title = {Guided elastic waves and perfectly matched layers},
-	Volume = {44},
-	Year = {2007}}
+        Author = {Elizabeth A. Skelton and S. D. M. Adams and R. V. Craster},
+        Journal = {Wave Motion},
+        Pages = {573-592},
+        Title = {Guided elastic waves and perfectly matched layers},
+        Volume = {44},
+        Year = {2007}}
 
 @article{smith&dahlen73,
-	Author = {M. L. Smith and F. A. Dahlen},
-	Journal = jgr,
-	Pages = {3321-3333},
-	Title = {The azimuthal dependence of {L}ove and {R}ayleigh wave propagation in a slightly anisotropic medium},
-	Volume = {78},
-	Year = {1973}}
+        Author = {M. L. Smith and F. A. Dahlen},
+        Journal = jgr,
+        Pages = {3321-3333},
+        Title = {The azimuthal dependence of {L}ove and {R}ayleigh wave propagation in a slightly anisotropic medium},
+        Volume = {78},
+        Year = {1973}}
 
 @article{Soa09,
-	Author = {Soares Jr., Delfim},
-	Doi = {10.1002/nme.2522},
-	Journal = ijnme,
-	Number = {9},
-	Pages = {1076-1093},
-	Title = {Acoustic modelling by {BEM-FEM} coupling procedures taking into account explicit and implicit multi-domain decomposition techniques},
-	Volume = {78},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.2522}}
+        Author = {Soares Jr., Delfim},
+        Doi = {10.1002/nme.2522},
+        Journal = ijnme,
+        Number = {9},
+        Pages = {1076-1093},
+        Title = {Acoustic modelling by {BEM-FEM} coupling procedures taking into account explicit and implicit multi-domain decomposition techniques},
+        Volume = {78},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/nme.2522}}
 
 @article{SoMa05,
-	Author = {Soares Jr., D. and W. J. Mansur},
-	Journal = cmes,
-	Number = {2},
-	Pages = {153-164},
-	Title = {An Efficient Time-Domain {BEM-FEM} Coupling for Acoustic-Elastodynamic Interaction Problems},
-	Volume = {8},
-	Year = {2005}}
+        Author = {Soares Jr., D. and W. J. Mansur},
+        Journal = cmes,
+        Number = {2},
+        Pages = {153-164},
+        Title = {An Efficient Time-Domain {BEM-FEM} Coupling for Acoustic-Elastodynamic Interaction Problems},
+        Volume = {8},
+        Year = {2005}}
 
 @article{SoMaLi07,
-	Author = {Soares Jr., D. and W. J. Mansur and D. L. Lima},
-	Journal = cmes,
-	Number = {1},
-	Pages = {19-34},
-	Title = {An Explicit Multi-Level Time-Step Algorithm to Model the Propagation of Interacting Acoustic-Elastic Waves Using Finite-Element/Finite-Difference Coupled Procedures},
-	Volume = {17},
-	Year = {2007}}
+        Author = {Soares Jr., D. and W. J. Mansur and D. L. Lima},
+        Journal = cmes,
+        Number = {1},
+        Pages = {19-34},
+        Title = {An Explicit Multi-Level Time-Step Algorithm to Model the Propagation of Interacting Acoustic-Elastic Waves Using Finite-Element/Finite-Difference Coupled Procedures},
+        Volume = {17},
+        Year = {2007}}
 
 @article{SoKuGeFlSm87,
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-	Number = {1},
-	Pages = {60-71},
-	Title = {Absorbing boundary conditions and surface waves},
-	Volume = {52},
-	Year = {1987}}
+        Author = {J. Sochacki and R. Kubichek and J. George and W. R. Fletcher and S. Smithson},
+        Journal = geophysics,
+        Number = {1},
+        Pages = {60-71},
+        Title = {Absorbing boundary conditions and surface waves},
+        Volume = {52},
+        Year = {1987}}
 
 @article{Song95,
-	Author = {X. Song and D. V. Helmberger},
-	Journal = jgr,
-	Pages = {9805-9816},
-	Title = {Depth dependence of anisotropy of {E}arth's inner core},
-	Volume = {100},
-	Year = {1995}}
+        Author = {X. Song and D. V. Helmberger},
+        Journal = jgr,
+        Pages = {9805-9816},
+        Title = {Depth dependence of anisotropy of {E}arth's inner core},
+        Volume = {100},
+        Year = {1995}}
 
 @article{Song93b,
-	Author = {X. Song and D. V. Helmberger},
-	Journal = grl,
-	Pages = {2591-2594},
-	Title = {Anisotropy of {E}arth's inner core},
-	Volume = {20},
-	Year = {1993}}
+        Author = {X. Song and D. V. Helmberger},
+        Journal = grl,
+        Pages = {2591-2594},
+        Title = {Anisotropy of {E}arth's inner core},
+        Volume = {20},
+        Year = {1993}}
 
 @article{SoHe96,
-	Author = {X. J. Song and D. V. Helmberger},
-	Journal = bssa,
-	Pages = {797-804},
-	Title = {Source estimation of finite faults from broadband regional networks},
-	Volume = {86},
-	Year = {1996}}
+        Author = {X. J. Song and D. V. Helmberger},
+        Journal = bssa,
+        Pages = {797-804},
+        Title = {Source estimation of finite faults from broadband regional networks},
+        Volume = {86},
+        Year = {1996}}
 
 @article{SoRo97,
-	Author = {A. Souriau and B. Romanowicz},
-	Journal = grl,
-	Pages = {1-4},
-	Title = {Anisotropy in inner core attenuation: a new type of data to constrain the nature of the solid core},
-	Volume = {23},
-	Year = {1997}}
+        Author = {A. Souriau and B. Romanowicz},
+        Journal = grl,
+        Pages = {1-4},
+        Title = {Anisotropy in inner core attenuation: a new type of data to constrain the nature of the solid core},
+        Volume = {23},
+        Year = {1997}}
 
 @book{Spa65,
-	Address = {New York},
-	Author = {B. Spain},
-	Publisher = {John Wiley and sons},
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-	Year = {1965}}
+        Address = {New York},
+        Author = {B. Spain},
+        Publisher = {John Wiley and sons},
+        Title = {Tensor Calculus},
+        Year = {1965}}
 
 @article{spetzleretal2001,
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-	Journal = grl,
-	Pages = {2341-2344},
-	Title = {{Are we exceeding the limits of the great circle approximation in global surface wave tomography?}},
-	Volume = {28},
-	Year = {2001}}
+        Author = {J. Spetzler and J. Trampert and R. Snieder},
+        Journal = grl,
+        Pages = {2341-2344},
+        Title = {{Are we exceeding the limits of the great circle approximation in global surface wave tomography?}},
+        Volume = {28},
+        Year = {2001}}
 
 @article{SpHeLe96,
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-	Number = {1B},
-	Pages = {S193-S208},
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-	Volume = {86},
-	Year = {1996}}
+        Author = {P. Spudich and M. Hellweg and W. H. K. Lee},
+        Journal = bssa,
+        Number = {1B},
+        Pages = {S193-S208},
+        Title = {Directional topographic site response at {T}arzana observed in aftershocks of the 1994 {N}orthridge, {C}alifornia, earthquake: implications for mainshock motions},
+        Volume = {86},
+        Year = {1996}}
 
 @book{Sta92,
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-	Edition = {3rd},
-	Publisher = {Brookfield Press},
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-	Year = {1992}}
+        Address = {Brisbane},
+        Author = {Franck D. Stacey},
+        Edition = {3rd},
+        Publisher = {Brookfield Press},
+        Title = {Physics of the Earth},
+        Year = {1992}}
 
 @article{Sta88,
-	Author = {R. Stacey},
-	Journal = bssa,
-	Number = {6},
-	Pages = {2089-2097},
-	Title = {Improved transparent boundary formulations for the elastic wave equation},
-	Volume = {78},
-	Year = {1988}}
+        Author = {R. Stacey},
+        Journal = bssa,
+        Number = {6},
+        Pages = {2089-2097},
+        Title = {Improved transparent boundary formulations for the elastic wave equation},
+        Volume = {78},
+        Year = {1988}}
 
 @article{StKeOwBlStSh10,
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-	Pages = {135-171},
-	Title = {Unconstrained plastering---Hexahedral mesh generation via advancing-front geometry decomposition},
-	Volume = {81},
-	Year = {2010}}
+        Author = {M. L. Staten and R. A. Kerr and S. J. Owen and T. D. Blacker and M. Stupazzini and K. Shimada},
+        Journal = {International Journal for Numerical Methods in Engineering},
+        Pages = {135-171},
+        Title = {Unconstrained plastering---Hexahedral mesh generation via advancing-front geometry decomposition},
+        Volume = {81},
+        Year = {2010}}
 
 @article{Ste76,
-	Author = {G.I. Stegeman},
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-	Pages = {1712-1713},
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-	Volume = {47},
-	Year = {1976}}
+        Author = {G.I. Stegeman},
+        Journal = {Journal of Applied Physics},
+        Pages = {1712-1713},
+        Title = {Normal-mode surface waves in pseudo-branch on (001) plane of gallium arsenide},
+        Volume = {47},
+        Year = {1976}}
 
 @techreport{Ste00,
-	Address = {Pasadena, California},
-	Author = {T. L. Sterling},
-	Institution = {California Institute of Technology},
-	Note = {presented at the Supercomputing'2000 conference, Dallas, Texas, Nov. 2000},
-	Title = {Petaflops Computing: looking Back at the Future},
-	Year = {2000}}
+        Address = {Pasadena, California},
+        Author = {T. L. Sterling},
+        Institution = {California Institute of Technology},
+        Note = {presented at the Supercomputing'2000 conference, Dallas, Texas, Nov. 2000},
+        Title = {Petaflops Computing: looking Back at the Future},
+        Year = {2000}}
 
 @book{StMe95,
-	Address = {Cambridge},
-	Author = {T. L. Sterling and P. C. Messina},
-	Publisher = {MIT Press},
-	Title = {Enabling technologies for {P}etaflops computing},
-	Year = {1995}}
+        Address = {Cambridge},
+        Author = {T. L. Sterling and P. C. Messina},
+        Publisher = {MIT Press},
+        Title = {Enabling technologies for {P}etaflops computing},
+        Year = {1995}}
 
 @book{StSaBeSa99,
-	Address = {Cambridge},
-	Author = {T. L. Sterling and J. Salmon and D. J. Becker and D. F. Savarese},
-	Publisher = {MIT Press},
-	Title = {How to build a {B}eowulf, a guide to the implementation and application of {PC} clusters},
-	Year = {1999}}
+        Address = {Cambridge},
+        Author = {T. L. Sterling and J. Salmon and D. J. Becker and D. F. Savarese},
+        Publisher = {MIT Press},
+        Title = {How to build a {B}eowulf, a guide to the implementation and application of {PC} clusters},
+        Year = {1999}}
 
 @article{StMcShDa93,
-	Author = {J. L. Stevens and K. L. McLaughlin and B. Shkoller and S. M. Day},
-	Journal = gji,
-	Pages = {548-560},
-	Title = {2-{D} axisymmetric calculations of surface waves generated by an explosion in an island, mountain and sedimentary basin},
-	Volume = {114},
-	Year = {1993}}
+        Author = {J. L. Stevens and K. L. McLaughlin and B. Shkoller and S. M. Day},
+        Journal = gji,
+        Pages = {548-560},
+        Title = {2-{D} axisymmetric calculations of surface waves generated by an explosion in an island, mountain and sedimentary basin},
+        Volume = {114},
+        Year = {1993}}
 
 @article{StAnDrLaRo99,
-	Author = {C. Stidham and M. Antolik and D. Dreger and S. Larsen and B. Romanowicz},
-	Journal = bssa,
-	Pages = {1184-1202},
-	Title = {Three-dimensional Structure Influences on the Strong Motion Wavefield of the 1989 {L}oma {P}rieta Earthquake},
-	Volume = {89},
-	Year = {1999}}
+        Author = {C. Stidham and M. Antolik and D. Dreger and S. Larsen and B. Romanowicz},
+        Journal = bssa,
+        Pages = {1184-1202},
+        Title = {Three-dimensional Structure Influences on the Strong Motion Wavefield of the 1989 {L}oma {P}rieta Earthquake},
+        Volume = {89},
+        Year = {1999}}
 
 @inproceedings{StSuSh01,
-	Author = {C. Stidham and M. P. S\"uss and J. H. Shaw},
-	Booktitle = {Geological Society of America 2001 annual meeting abstracts},
-	Pages = {299},
-	Publisher = {Geological Society of America},
-	Title = {3{D} density and velocity model of the {L}os {A}ngeles basin},
-	Volume = {33},
-	Year = {2001}}
+        Author = {C. Stidham and M. P. S\"uss and J. H. Shaw},
+        Booktitle = {Geological Society of America 2001 annual meeting abstracts},
+        Pages = {299},
+        Publisher = {Geological Society of America},
+        Title = {3{D} density and velocity model of the {L}os {A}ngeles basin},
+        Volume = {33},
+        Year = {2001}}
 
 @article{Stone:2007:AMM,
-	Author = {John E. Stone and James C. Phillips and Peter L. Freddolino and David J. Hardy and Leonardo G. Trabuco and Klaus Schulten},
-	Doi = {10.1002/jcc.20829},
-	Journal = {Journal of Computational Chemistry},
-	Month = sep,
-	Number = {16},
-	Pages = {1618--2640},
-	Title = {Accelerating molecular modeling applications with graphics processors},
-	Volume = {28},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/jcc.20829}}
+        Author = {John E. Stone and James C. Phillips and Peter L. Freddolino and David J. Hardy and Leonardo G. Trabuco and Klaus Schulten},
+        Doi = {10.1002/jcc.20829},
+        Journal = {Journal of Computational Chemistry},
+        Month = sep,
+        Number = {16},
+        Pages = {1618--2640},
+        Title = {Accelerating molecular modeling applications with graphics processors},
+        Volume = {28},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/jcc.20829}}
 
 @article{StHaTsHwSuLi08,
-	Author = {S. S. Stone and J. P. Haldar and S. C. Tsao and Wen{-}mei W. Hwu and B. P. Sutton and Z.-P. Liang},
-	Doi = {10.1016/j.jpdc.2008.05.013},
-	Journal = jpdc,
-	Number = {10},
-	Pages = {1307-1318},
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-	Volume = {68},
-	Year = {2008},
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+        Author = {S. S. Stone and J. P. Haldar and S. C. Tsao and Wen{-}mei W. Hwu and B. P. Sutton and Z.-P. Liang},
+        Doi = {10.1016/j.jpdc.2008.05.013},
+        Journal = jpdc,
+        Number = {10},
+        Pages = {1307-1318},
+        Title = {Accelerating advanced {MRI} reconstructions on {GPU}s},
+        Volume = {68},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jpdc.2008.05.013}}
 
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+        Author = {R. Stoneley},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {447-458},
+        Title = {The propagation of surface elastic waves in a cubic crystal},
+        Volume = {A232},
+        Year = {1955}}
 
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+        Author = {R. Stoneley},
+        Journal = {Proc. R. Soc. London Ser. A},
+        Pages = {416-428},
+        Title = {Elastic waves at the surface of separation of two solids},
+        Volume = {106},
+        Year = {1924}}
 
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-	Pages = {49-56},
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-	Year = {2008}}
+        Address = {Hersonissos, Crete, Greece},
+        Author = {M. Strengert and C. M\"uller and C. Dachsbacher and T. Ertl},
+        Booktitle = {Proceedings of the Eurographics'2008 Symposium on Parallel Graphics and Visualization (EGPGV'08)},
+        Editor = {J. Favre and K. L. Ma and D. Weiskopf},
+        Month = apr,
+        Pages = {49-56},
+        Title = {{CUDASA}: {C}ompute {U}nified {D}evice {A}nd {S}ystems {A}rchitecture},
+        Year = {2008}}
 
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+        Author = {A. N. Stroh},
+        Journal = {Journal of Mathematical Physics},
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+        Title = {Steady-state problems in anisotropic elasticity},
+        Volume = {41},
+        Year = {1962}}
 
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+        Author = {Jeff A. Stuart and John D. Owens},
+        Booktitle = {Proceedings of the 23rd IEEE International Parallel and Distributed Processing Symposium},
+        Doi = {10.1109/IPDPS.2009.5161065},
+        Month = may,
+        Pages = {1--12},
+        Title = {Message Passing on Data-Parallel Architectures},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/IPDPS.2009.5161065}}
 
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-	Year = {2009}}
+        Author = {M. Stupazzini and R. Paolucci and H. Igel},
+        Journal = {Bull. Seismol. Soc. Am.},
+        Number = {1},
+        Pages = {286-301},
+        Title = {Near-Fault Earthquake Ground-Motion Simulation in the {G}renoble Valley by a High-Performance Spectral Element Code},
+        Volume = {99},
+        Year = {2009}}
 
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+        Author = {F. Sturm},
+        Journal = jasa,
+        Number = {3},
+        Pages = {1058-1079},
+        Title = {Numerical study of broadband sound pulse propagation in three-dimensional oceanic waveguides},
+        Volume = {117},
+        Year = {2005}}
 
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-	Journal = grl,
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+        Author = {E. Stutzmann and L. Vinnik and A. Ferreira and S. Singh},
+        Journal = grl,
+        Pages = {1571-1574},
+        Title = {Constraint on the {S} wave velocity at the base of the mantle},
+        Volume = {27},
+        Year = {2000}}
 
 @article{Sukum00,
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-	Year = {2000}}
+        Author = {N. Sukumar and N. Mo\"es and B. Moran and T. Belytschko},
+        Journal = ijnme,
+        Number = {11},
+        Pages = {1549-1570},
+        Title = {Extended Finite Element Method for Three-Dimensional Crack Modeling},
+        Volume = {48},
+        Year = {2000}}
 
 @article{Sul97,
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-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/75.594858}}
+        Author = {D. M. Sullivan},
+        Doi = {10.1109/75.594858},
+        Journal = {IEEE Microwave and Guided Wave Letters},
+        Number = {7},
+        Pages = {184-186},
+        Title = {An unsplit step 3-{D} {PML} for use with the {FDTD} method},
+        Volume = {7},
+        Year = {1997},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/75.594858}}
 
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+        Author = {Alfeus Sunarso and Tomohiro Tsuji and Shigeomi Chono},
+        Doi = {10.1016/j.jcp.2010.03.047},
+        Journal = jcp,
+        Number = {15},
+        Pages = {5486-5497},
+        Title = {{GPU}-accelerated molecular dynamics simulation for study of liquid crystalline flows},
+        Volume = {229},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2010.03.047}}
 
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-	Volume = {35},
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+        Author = {J. L. Synge},
+        Journal = {Journal of Mathematical Physics},
+        Pages = {323-335},
+        Title = {Elastic waves in anisotropic media},
+        Volume = {35},
+        Year = {1957}}
 
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-	Year = {1991}}
+        Address = {New York},
+        Author = {B. Szab\'{o} and I. Babu\u{s}ka},
+        Publisher = {Wiley},
+        Title = {Finite Element analysis},
+        Year = {1991}}
 
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+        Author = {F. J. S{\'a}nchez-Sesma and U. Iturrar{\'a}n-Viveros},
+        Journal = gji,
+        Pages = {749-758},
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+        Volume = {145},
+        Year = {2001}}
 
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+        Author = {N. Takeuchi and R. J. Geller and P. R. Cummins},
+        Journal = pepi,
+        Pages = {25-36},
+        Title = {Complete synthetic seismograms for {3-D} heterogeneous {E}arth models computed using modified {DSM} operators and their applicability to inversion for {E}arth structure},
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+        Author = {O. Talagrand and P. Courtier},
+        Journal = {Q. J. R. Meteorol. Soc.},
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+        Volume = {113},
+        Year = {1987}}
 
 @article{TaLiMaTr2010,
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-	Volume = {180},
-	Year = {2010}}
+        Author = {Carl Tape and Qinya Liu and Alessia Maggi and Jeroen Tromp},
+        Journal = gji,
+        Pages = {433-462},
+        Title = {Seismic tomography of the southern {C}alifornia crust based on spectral-element and adjoint methods},
+        Volume = {180},
+        Year = {2010}}
 
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-	Volume = {178},
-	Year = {2009}}
+        Author = {A. Maggi and C. Tape and M. Chen and D. Chao and J. Tromp},
+        Journal = {\gji},
+        Pages = {257--281},
+        Title = {{An automated time window selection algorithm for seismic tomography}},
+        Volume = {178},
+        Year = {2009}}
 
 @article{Valentine2010,
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-	Year = {2010}}
+        Author = {A.P. Valentine and J.H. Woodhouse},
+        Journal = {\gji},
+        Pages = {1001--1012},
+        Title = {{Approaches to automated data selection for global seismic tomography}},
+        Volume = {182},
+        Year = {2010}}
 
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+        Author = {Carl Tape and Qinya Liu and Alessia Maggi and Jeroen Tromp},
+        Journal = {Science},
+        Pages = {988-992},
+        Title = {Adjoint tomography of the southern {C}alifornia crust},
+        Volume = {325},
+        Year = {2009}}
 
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+        Author = {Carl Tape and Qinya Liu and Jeroen Tromp},
+        Doi = {10.1111/j.1365-246X.2006.03191.x},
+        Journal = gji,
+        Number = {3},
+        Pages = {1105-1129},
+        Title = {Finite-frequency tomography using adjoint methods - {M}ethodology and examples using membrane surface waves},
+        Volume = {168},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2006.03191.x}}
 
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+        Author = {A. Tarantola},
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+        Volume = {128},
+        Year = {1988}}
 
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+        Address = {Amsterdam, Netherlands},
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+        Publisher = {Elsevier Science Publishers},
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+        Year = {1987}}
 
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+        Author = {A. Tarantola},
+        Journal = geophysics,
+        Pages = {1259-1266},
+        Title = {Inversion of seismic reflection data in the acoustic approximation},
+        Volume = {49},
+        Year = {1984}}
 
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+        Author = {A. Tarantola and B. Valette},
+        Journal = {Rev. Geophys. Space Phys.},
+        Pages = {219-232},
+        Title = {Generalized nonlinear inverse problems solved using the least squares criterion},
+        Volume = {20},
+        Year = {1982}}
 
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-	Journal = {J. Geophysics},
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+        Author = {A. Tarantola and B. Valette},
+        Journal = {J. Geophysics},
+        Pages = {159-170},
+        Title = {Inverse problem = quest for information},
+        Volume = {50},
+        Year = {1982}}
 
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+        Author = {N. Tarnow and J. C. Simo},
+        Journal = cmame,
+        Pages = {233-252},
+        Title = {How to render second-order accurate time-stepping algorithms fourth-order accurate while retaining the stability and conservation properties},
+        Volume = {115},
+        Year = {1994}}
 
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-	Volume = {68},
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+        Author = {Natalya Tatarchuk and Jeremy Shopf and Christopher DeCoro},
+        Doi = {10.1016/j.jpdc.2008.06.011},
+        Journal = jpdc,
+        Number = {10},
+        Pages = {1319-1328},
+        Title = {Advanced interactive medical visualization on the {GPU}},
+        Volume = {68},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jpdc.2008.06.011}}
 
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-	Volume = {274},
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+        Author = {G. Taubes},
+        Journal = {Science},
+        Pages = {1840},
+        Title = {Do-it-yourself supercomputers},
+        Volume = {274},
+        Year = {1996}}
 
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-	Author = {Timothy J. Tautges},
-	Doi = {10.1007/s00366-004-0296-0},
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+        Author = {Timothy J. Tautges},
+        Doi = {10.1007/s00366-004-0296-0},
+        Journal = {Engineering with Computers},
+        Number = {3},
+        Pages = {286-293},
+        Title = {{MOAB-SD}: integrated structured and unstructured mesh representation},
+        Volume = {20},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/s00366-004-0296-0}}
 
 @article{TayCur81,
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+        Author = {D. B. Taylor and P. K. Currie},
+        Journal = {Quarterly Journal of Mechanics and Applied Mathematics},
+        Pages = {231-234},
+        Title = {The secular equation for {R}ayleigh waves on elastic crystals. {II} {C}orrections and additions},
+        Volume = {34},
+        Year = {1981}}
 
 @techreport{TayLoft98,
-	Address = {Boulder, Colorado},
-	Author = {M. A. Taylor and R. Loft and J. Tribbia},
-	Institution = {National Center for Atmospheric Research},
-	Number = {NCAR/TN-439+EDD},
-	Title = {Performance of a spectral element atmospheric model ({SEAM}) on the {HP} {E}xemplar {SPP}2000},
-	Year = {1998}}
+        Address = {Boulder, Colorado},
+        Author = {M. A. Taylor and R. Loft and J. Tribbia},
+        Institution = {National Center for Atmospheric Research},
+        Number = {NCAR/TN-439+EDD},
+        Title = {Performance of a spectral element atmospheric model ({SEAM}) on the {HP} {E}xemplar {SPP}2000},
+        Year = {1998}}
 
 @article{TaWi00,
-	Author = {M. A. Taylor and B. A. Wingate},
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-	Pages = {259-265},
-	Title = {A generalized diagonal mass matrix spectral element method for non-quadrilateral elements},
-	Volume = {33},
-	Year = {2000}}
+        Author = {M. A. Taylor and B. A. Wingate},
+        Journal = {Appl. Num. Math.},
+        Pages = {259-265},
+        Title = {A generalized diagonal mass matrix spectral element method for non-quadrilateral elements},
+        Volume = {33},
+        Year = {2000}}
 
 @article{TaWiVi00,
-	Author = {M. A. Taylor and B. A. Wingate and R. E. Vincent},
-	Journal = {SIAM Journal on Numerical Analysis},
-	Number = {5},
-	Pages = {1707-1720},
-	Title = {An Algorithm for Computing {F}ekete Points in the Triangle},
-	Volume = {38},
-	Year = {2000}}
+        Author = {M. A. Taylor and B. A. Wingate and R. E. Vincent},
+        Journal = {SIAM Journal on Numerical Analysis},
+        Number = {5},
+        Pages = {1707-1720},
+        Title = {An Algorithm for Computing {F}ekete Points in the Triangle},
+        Volume = {38},
+        Year = {2000}}
 
 @article{TaTrIs97,
-	Author = {M. Taylor and J. Tribbia and M. Iskandarani},
-	Journal = jcp,
-	Pages = {92-108},
-	Title = {The spectral element method for the shallow water equation on the sphere},
-	Volume = {130},
-	Year = {1997}}
+        Author = {M. Taylor and J. Tribbia and M. Iskandarani},
+        Journal = jcp,
+        Pages = {92-108},
+        Title = {The spectral element method for the shallow water equation on the sphere},
+        Volume = {130},
+        Year = {1997}}
 
 @book{Tay81,
-	Address = {Princeton, New-Jersey, USA},
-	Author = {M. E. Taylor},
-	Publisher = {Princeton University Press},
-	Title = {Pseudodifferential operators},
-	Year = {1981}}
+        Address = {Princeton, New-Jersey, USA},
+        Author = {M. E. Taylor},
+        Publisher = {Princeton University Press},
+        Title = {Pseudodifferential operators},
+        Year = {1981}}
 
 @article{taylor_cheng_ourselin_2008,
-	Author = {Z. A. Taylor and M. Cheng and S. Ourselin},
-	Doi = {10.1109/TMI.2007.913112},
-	Journal = {IEEE Transactions on Medical Imaging},
-	Number = {5},
-	Pages = {650-663},
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-	Volume = {27},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/TMI.2007.913112}}
+        Author = {Z. A. Taylor and M. Cheng and S. Ourselin},
+        Doi = {10.1109/TMI.2007.913112},
+        Journal = {IEEE Transactions on Medical Imaging},
+        Number = {5},
+        Pages = {650-663},
+        Title = {High-Speed Nonlinear Finite Element Analysis for Surgical Simulation Using {Graphics Processing Units}},
+        Volume = {27},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/TMI.2007.913112}}
 
 @article{TeCh99,
-	Author = {F. L. Teixeira and W. C. Chew},
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-	Number = {6},
-	Pages = {775-785},
-	Title = {On causality and dynamic stability of {P}erfectly {M}atched {L}ayers for {FDTD} simulations},
-	Volume = {47},
-	Year = {1999}}
+        Author = {F. L. Teixeira and W. C. Chew},
+        Journal = {IEEE transactions on Microwave Theory and Techniques},
+        Number = {6},
+        Pages = {775-785},
+        Title = {On causality and dynamic stability of {P}erfectly {M}atched {L}ayers for {FDTD} simulations},
+        Volume = {47},
+        Year = {1999}}
 
 @article{EUCrust07,
-	Author = {M. Tesauro and M. K. Kaban and S. A. P. L. Cloetingh},
-	Doi = {10.1029/2007GL032244},
-	Journal = grl,
-	Pages = {L05313},
-	Title = {EuCrust-07: A new reference model for the {European} crust},
-	Volume = {35},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1029/2007GL032244}}
+        Author = {M. Tesauro and M. K. Kaban and S. A. P. L. Cloetingh},
+        Doi = {10.1029/2007GL032244},
+        Journal = grl,
+        Pages = {L05313},
+        Title = {EuCrust-07: A new reference model for the {European} crust},
+        Volume = {35},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1029/2007GL032244}}
 
 @article{Tes00,
-	Author = {Ekkehart Tessmer},
-	Doi = {10.1190/1.1444820},
-	Journal = geophysics,
-	Number = {4},
-	Pages = {1290-1293},
-	Title = {Seismic finite-difference modeling with spatially varying time steps},
-	Volume = {65},
-	Year = {2000},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1444820}}
+        Author = {Ekkehart Tessmer},
+        Doi = {10.1190/1.1444820},
+        Journal = geophysics,
+        Number = {4},
+        Pages = {1290-1293},
+        Title = {Seismic finite-difference modeling with spatially varying time steps},
+        Volume = {65},
+        Year = {2000},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1444820}}
 
 @article{Tes95,
-	Author = {E. Tessmer},
-	Journal = gji,
-	Pages = {557-575},
-	Title = {3-{D} seismic modelling of general material anisotropy in the presence of the free surface by a {C}hebyshev spectral method},
-	Volume = {121},
-	Year = {1995}}
+        Author = {E. Tessmer},
+        Journal = gji,
+        Pages = {557-575},
+        Title = {3-{D} seismic modelling of general material anisotropy in the presence of the free surface by a {C}hebyshev spectral method},
+        Volume = {121},
+        Year = {1995}}
 
 @article{TeKeKo92,
-	Author = {E. Tessmer and D. Kessler and D. Kosloff and A. Behle},
-	Journal = jcp,
-	Pages = {355-363},
-	Title = {Multi-domain {C}hebyshev-{F}ourier method for the solution of the equations of motion of dynamic elasticity},
-	Volume = {100},
-	Year = {1992}}
+        Author = {E. Tessmer and D. Kessler and D. Kosloff and A. Behle},
+        Journal = jcp,
+        Pages = {355-363},
+        Title = {Multi-domain {C}hebyshev-{F}ourier method for the solution of the equations of motion of dynamic elasticity},
+        Volume = {100},
+        Year = {1992}}
 
 @article{TeKo94,
-	Author = {E. Tessmer and D. Kosloff},
-	Journal = geophysics,
-	Number = {3},
-	Pages = {464-473},
-	Title = {3-{D} elastic modeling with surface topography by a {C}hebyshev spectral method},
-	Volume = {59},
-	Year = {1994}}
+        Author = {E. Tessmer and D. Kosloff},
+        Journal = geophysics,
+        Number = {3},
+        Pages = {464-473},
+        Title = {3-{D} elastic modeling with surface topography by a {C}hebyshev spectral method},
+        Volume = {59},
+        Year = {1994}}
 
 @article{TeKoBe92,
-	Author = {E. Tessmer and D. Kosloff and A. Behle},
-	Journal = gji,
-	Pages = {621-632},
-	Title = {Elastic wave propagation simulation in the presence of surface topography},
-	Volume = {108},
-	Year = {1992}}
+        Author = {E. Tessmer and D. Kosloff and A. Behle},
+        Journal = gji,
+        Pages = {621-632},
+        Title = {Elastic wave propagation simulation in the presence of surface topography},
+        Volume = {108},
+        Year = {1992}}
 
 @article{Tew04,
-	Author = {V. K. Tewary},
-	Journal = {Wave Motion},
-	Pages = {399-412},
-	Title = {Green's function method for modeling surface acoustic wave dispersion in anisotropic material systems and determination of material parameters},
-	Volume = {40},
-	Year = {2004}}
+        Author = {V. K. Tewary},
+        Journal = {Wave Motion},
+        Pages = {399-412},
+        Title = {Green's function method for modeling surface acoustic wave dispersion in anisotropic material systems and determination of material parameters},
+        Volume = {40},
+        Year = {2004}}
 
 @article{TewFor96a,
-	Author = {V. K. Tewary and C. M. Fortunko},
-	Journal = jasa,
-	Number = {1},
-	Pages = {86-88},
-	Title = {Surface waves in three-dimensional half-space tetragonal solids},
-	Volume = {100},
-	Year = {1996}}
+        Author = {V. K. Tewary and C. M. Fortunko},
+        Journal = jasa,
+        Number = {1},
+        Pages = {86-88},
+        Title = {Surface waves in three-dimensional half-space tetragonal solids},
+        Volume = {100},
+        Year = {1996}}
 
 @article{TewFor96b,
-	Author = {V. K. Tewary and C. M. Fortunko},
-	Journal = jasa,
-	Number = {5},
-	Pages = {2964-2968},
-	Title = {Theory of elastic waves in three-dimensional anisotropic plates},
-	Volume = {100},
-	Year = {1996}}
+        Author = {V. K. Tewary and C. M. Fortunko},
+        Journal = jasa,
+        Number = {5},
+        Pages = {2964-2968},
+        Title = {Theory of elastic waves in three-dimensional anisotropic plates},
+        Volume = {100},
+        Year = {1996}}
 
 @article{TewFor92,
-	Author = {V. K. Tewary and C. M. Fortunko},
-	Journal = jasa,
-	Number = {4},
-	Pages = {1888-1896},
-	Title = {A computationally efficient representation for propagation of elastic waves in anisotropic solids},
-	Volume = {91},
-	Year = {1992}}
+        Author = {V. K. Tewary and C. M. Fortunko},
+        Journal = jasa,
+        Number = {4},
+        Pages = {1888-1896},
+        Title = {A computationally efficient representation for propagation of elastic waves in anisotropic solids},
+        Volume = {91},
+        Year = {1992}}
 
 @inproceedings{ThSe09,
-	Author = {Julien C. Thibault and Inanc Senocak},
-	Booktitle = {Proceedings of the 47th AIAA Aerospace Sciences Meeting},
-	Pages = {1-15},
-	Title = {{CUDA} Implementation of a {N}avier-{S}tokes Solver on Multi-{GPU} Desktop Platforms for Incompressible Flows},
-	Year = {2009}}
+        Author = {Julien C. Thibault and Inanc Senocak},
+        Booktitle = {Proceedings of the 47th AIAA Aerospace Sciences Meeting},
+        Pages = {1-15},
+        Title = {{CUDA} Implementation of a {N}avier-{S}tokes Solver on Multi-{GPU} Desktop Platforms for Incompressible Flows},
+        Year = {2009}}
 
 @article{Toetal00,
-	Author = {C. Thomas and H. Igel and M. Weber and F Scherbaum},
-	Journal = gji,
-	Pages = {6441-6464},
-	Title = {Acoustic simulation of {P}-wave propagation in a heterogeneous spherical {E}arth: numerical method and application to precursor waves to {PKP}df},
-	Volume = {141},
-	Year = {2000}}
+        Author = {C. Thomas and H. Igel and M. Weber and F Scherbaum},
+        Journal = gji,
+        Pages = {6441-6464},
+        Title = {Acoustic simulation of {P}-wave propagation in a heterogeneous spherical {E}arth: numerical method and application to precursor waves to {PKP}df},
+        Volume = {141},
+        Year = {2000}}
 
 @article{ThKe02,
-	Author = {C. Thomas and J. M. Kendall},
-	Journal = gji,
-	Number = {1},
-	Pages = {296-308},
-	Title = {The lowermost mantle beneath northern {A}sia-{II}. {E}vidence for lower-mantle anisotropy},
-	Volume = {151},
-	Year = {2002}}
+        Author = {C. Thomas and J. M. Kendall},
+        Journal = gji,
+        Number = {1},
+        Pages = {296-308},
+        Title = {The lowermost mantle beneath northern {A}sia-{II}. {E}vidence for lower-mantle anisotropy},
+        Volume = {151},
+        Year = {2002}}
 
 @book{ThWaMa85,
-	Address = {New York, USA},
-	Author = {J. F. Thompson and Z. U. A. Warsi and C. W. Mastin},
-	Publisher = {North-Holland Publishing Co.},
-	Title = {Numerical Grid Generation - Foundations and Applications},
-	Year = {1985}}
+        Address = {New York, USA},
+        Author = {J. F. Thompson and Z. U. A. Warsi and C. W. Mastin},
+        Publisher = {North-Holland Publishing Co.},
+        Title = {Numerical Grid Generation - Foundations and Applications},
+        Year = {1985}}
 
 @phdthesis{Tho94,
-	Address = {California},
-	Author = {L. L. Thompson},
-	School = {Stanford University},
-	Title = {Design and analysis of space-time and {G}alerkin-{L}east-{S}quares finite element methods for fluid-structure interactions in exterior domains},
-	Year = {1994}}
+        Address = {California},
+        Author = {L. L. Thompson},
+        School = {Stanford University},
+        Title = {Design and analysis of space-time and {G}alerkin-{L}east-{S}quares finite element methods for fluid-structure interactions in exterior domains},
+        Year = {1994}}
 
 @article{ThPi96a,
-	Author = {L. L. Thompson and P. Pinsky},
-	Journal = cmame,
-	Pages = {195-227},
-	Title = {A space-time finite element method for structural acoustics in infinite domains. Part 1: formulation, stability and convergence},
-	Volume = {132},
-	Year = {1996}}
+        Author = {L. L. Thompson and P. Pinsky},
+        Journal = cmame,
+        Pages = {195-227},
+        Title = {A space-time finite element method for structural acoustics in infinite domains. Part 1: formulation, stability and convergence},
+        Volume = {132},
+        Year = {1996}}
 
 @article{ThPi96b,
-	Author = {L. L. Thompson and P. Pinsky},
-	Journal = cmame,
-	Pages = {229-258},
-	Title = {A space-time finite element method for structural acoustics in infinite domains. Part 2: Exact time-dependent non-reflecting boundary conditions},
-	Volume = {132},
-	Year = {1996}}
+        Author = {L. L. Thompson and P. Pinsky},
+        Journal = cmame,
+        Pages = {229-258},
+        Title = {A space-time finite element method for structural acoustics in infinite domains. Part 2: Exact time-dependent non-reflecting boundary conditions},
+        Volume = {132},
+        Year = {1996}}
 
 @article{Tho86,
-	Author = {L. Thomsen},
-	Journal = geophysics,
-	Pages = {1954-1966},
-	Title = {Weak elastic anisotropy},
-	Volume = {51},
-	Year = {1986}}
+        Author = {L. Thomsen},
+        Journal = geophysics,
+        Pages = {1954-1966},
+        Title = {Weak elastic anisotropy},
+        Volume = {51},
+        Year = {1986}}
 
 @article{Thorne04,
-	Author = {Thorne, M. S. and E. J. Garnero and S. P. Grand},
-	Journal = pepi,
-	Pages = {47--63},
-	Title = {Geographic correlation between hot spots and deep mantle lateral shear-wave velocity gradients},
-	Volume = {146},
-	Year = {2004}}
+        Author = {Thorne, M. S. and E. J. Garnero and S. P. Grand},
+        Journal = pepi,
+        Pages = {47--63},
+        Title = {Geographic correlation between hot spots and deep mantle lateral shear-wave velocity gradients},
+        Volume = {146},
+        Year = {2004}}
 
 @article{Thouvetal03,
-	Author = {Fran\c{c}ois Thouvenot and Julien Fr\'echet and Liliane Jenatton and Jean-Fran\c{c}ois Gamond},
-	Journal = gji,
-	Number = {1},
-	Pages = {174-192},
-	Title = {The {B}elledonne Border Fault: identification of an active seismic strike-slip fault in the western {A}lps},
-	Volume = {155},
-	Year = {2003}}
+        Author = {Fran\c{c}ois Thouvenot and Julien Fr\'echet and Liliane Jenatton and Jean-Fran\c{c}ois Gamond},
+        Journal = gji,
+        Number = {1},
+        Pages = {174-192},
+        Title = {The {B}elledonne Border Fault: identification of an active seismic strike-slip fault in the western {A}lps},
+        Volume = {155},
+        Year = {2003}}
 
 @article{Tin09,
-	Author = {T.C.T. Ting},
-	Journal = {Wave Motion},
-	Pages = {323-335},
-	Title = {Explicit conditions for the existence of exceptional body waves and subsonic waves in anisotropic elastic solids},
-	Volume = {46},
-	Year = {2009}}
+        Author = {T.C.T. Ting},
+        Journal = {Wave Motion},
+        Pages = {323-335},
+        Title = {Explicit conditions for the existence of exceptional body waves and subsonic waves in anisotropic elastic solids},
+        Volume = {46},
+        Year = {2009}}
 
 @article{Tin02,
-	Author = {T.C.T. Ting},
-	Journal = {Proc. R. Soc. London Ser. A},
-	Pages = {1017-1031},
-	Title = {Explicit secular equations for surface waves in monoclinic materials with the symmetry plane $x1=0$, $x2=0$ or $x3=0$},
-	Volume = {458},
-	Year = {2002}}
+        Author = {T.C.T. Ting},
+        Journal = {Proc. R. Soc. London Ser. A},
+        Pages = {1017-1031},
+        Title = {Explicit secular equations for surface waves in monoclinic materials with the symmetry plane $x1=0$, $x2=0$ or $x3=0$},
+        Volume = {458},
+        Year = {2002}}
 
 @incollection{Tin04a,
-	Author = {T. C. T. Ting},
-	Booktitle = {Surface waves in anisotropic and laminated bodies and defects detection},
-	Editor = {Goldstein, R.V. and Maugin, G.A.},
-	Pages = {95-116},
-	Publisher = {Kluwer Academic Publishers, Dordrecht, The Netherlands},
-	Title = {Explicit secular equations for surface waves in an anisotropic elastic half-space from {R}ayleigh to today},
-	Year = {2004}}
+        Author = {T. C. T. Ting},
+        Booktitle = {Surface waves in anisotropic and laminated bodies and defects detection},
+        Editor = {Goldstein, R.V. and Maugin, G.A.},
+        Pages = {95-116},
+        Publisher = {Kluwer Academic Publishers, Dordrecht, The Netherlands},
+        Title = {Explicit secular equations for surface waves in an anisotropic elastic half-space from {R}ayleigh to today},
+        Year = {2004}}
 
 @article{Tin04b,
-	Author = {T. C. T. Ting},
-	Journal = {International Journal of Solids and Structures},
-	Pages = {2065-2083},
-	Title = {The polarization vector and secular equation for surface waves in anisotropic elastic half-space},
-	Volume = {41},
-	Year = {2004}}
+        Author = {T. C. T. Ting},
+        Journal = {International Journal of Solids and Structures},
+        Pages = {2065-2083},
+        Title = {The polarization vector and secular equation for surface waves in anisotropic elastic half-space},
+        Volume = {41},
+        Year = {2004}}
 
 @book{Tin96,
-	Author = {T. C. T. Ting},
-	Publisher = {Oxford University Press, United Kingdom},
-	Title = {Anisotropic elasticity: theory and applications},
-	Year = {1996}}
+        Author = {T. C. T. Ting},
+        Publisher = {Oxford University Press, United Kingdom},
+        Title = {Anisotropic elasticity: theory and applications},
+        Year = {1996}}
 
 @article{Tin92,
-	Author = {T. C. T. Ting},
-	Journal = {Journal of the Mechanics and Physics of Solids},
-	Number = {7},
-	Pages = {1637-1650},
-	Title = {The motion of one-component surface waves},
-	Volume = {40},
-	Year = {1992}}
+        Author = {T. C. T. Ting},
+        Journal = {Journal of the Mechanics and Physics of Solids},
+        Number = {7},
+        Pages = {1637-1650},
+        Title = {The motion of one-component surface waves},
+        Volume = {40},
+        Year = {1992}}
 
 @article{TinBar97,
-	Author = {T. C. T. Ting and D. M. Barnett},
-	Journal = {Wave Motion},
-	Pages = {207-218},
-	Title = {Classifications of surface waves in anisotropic elastic materials},
-	Volume = {26},
-	Year = {1997}}
+        Author = {T. C. T. Ting and D. M. Barnett},
+        Journal = {Wave Motion},
+        Pages = {207-218},
+        Title = {Classifications of surface waves in anisotropic elastic materials},
+        Volume = {26},
+        Year = {1997}}
 
 @article{To05,
-	Author = {To, A. and B. Romanowicz and Y. Capdeville and N. Takeuchi},
-	Journal = epsl,
-	Pages = {137--153},
-	Title = {3{D} effects of sharp boundaries at the borders of the {A}frican and {P}acific superplumes: {O}bservations and modeling},
-	Volume = {233},
-	Year = {2005}}
+        Author = {To, A. and B. Romanowicz and Y. Capdeville and N. Takeuchi},
+        Journal = epsl,
+        Pages = {137--153},
+        Title = {3{D} effects of sharp boundaries at the borders of the {A}frican and {P}acific superplumes: {O}bservations and modeling},
+        Volume = {233},
+        Year = {2005}}
 
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-	Author = {K. Toki and K. Irikura and T. Kagawa},
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-	Title = {Strong motion records in the source area of the {H}yogo-ken {N}anbu earthquake, {J}anuary 17, 1995},
-	Volume = {16},
-	Year = {1995}}
+        Author = {K. Toki and K. Irikura and T. Kagawa},
+        Journal = {J. Nat. Disast. Sci.},
+        Pages = {23-30},
+        Title = {Strong motion records in the source area of the {H}yogo-ken {N}anbu earthquake, {J}anuary 17, 1995},
+        Volume = {16},
+        Year = {1995}}
 
 @phdthesis{Tor95,
-	Address = {Paris, France},
-	Author = {Nathalie Tordjman},
-	School = {Universit\'e Paris {\sc IX} Dauphine},
-	Title = {{\'E}l\'ements finis d'ordre \'elev\'e avec condensation de masse pour l'\'equation des ondes ({H}igh-order finite elements with mass lumping for the wave equation)},
-	Year = {1995}}
+        Address = {Paris, France},
+        Author = {Nathalie Tordjman},
+        School = {Universit\'e Paris {\sc IX} Dauphine},
+        Title = {{\'E}l\'ements finis d'ordre \'elev\'e avec condensation de masse pour l'\'equation des ondes ({H}igh-order finite elements with mass lumping for the wave equation)},
+        Year = {1995}}
 
 @phdthesis{jjt,
-	Address = {Zaragoza, Espa{\~{n}}a},
-	Author = {J. J. Torrens},
-	Note = {186 p.},
-	School = {Universidad de Zaragoza},
-	Title = {Interpolaci\'on de superficies param\'etricas con discontinuidades mediante, elementos finitos, aplicaciones},
-	Year = {1991}}
+        Address = {Zaragoza, Espa{\~{n}}a},
+        Author = {J. J. Torrens},
+        Note = {186 p.},
+        School = {Universidad de Zaragoza},
+        Title = {Interpolaci\'on de superficies param\'etricas con discontinuidades mediante, elementos finitos, aplicaciones},
+        Year = {1991}}
 
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-	Volume = {82},
-	Year = {1992}}
+        Author = {Takumi Toshinawa and Tatsuo Ohmachi},
+        Journal = bssa,
+        Number = {4},
+        Pages = {1661-1677},
+        Title = {Love-wave propagation in a three-dimensional sedimentary basin},
+        Volume = {82},
+        Year = {1992}}
 
 @book{treves80,
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-	Publisher = {Plenum Press},
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-	Year = {1980}}
+        Address = {New York, USA},
+        Author = {F. Tr\`{e}ves},
+        Booktitle = {University Series in Mathematics},
+        Publisher = {Plenum Press},
+        Title = {Introduction to pseudodifferential and {F}ourier Integral operators},
+        Volume = {1},
+        Year = {1980}}
 
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-	Year = {1973}}
+        Author = {M. D. Trifunac},
+        Journal = eesd,
+        Pages = {267-281},
+        Title = {Scattering of plane {{\it SH}} waves by a semi-cylindrical canyon},
+        Volume = {1},
+        Year = {1973}}
 
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-	Author = {M. D. Trifunac},
-	Journal = bssa,
-	Pages = {1755-1770},
-	Title = {Surface motion of a semi-cylindrical alluvial valley for incident plane {{\it SH}} waves},
-	Volume = {61},
-	Year = {1971}}
+        Author = {M. D. Trifunac},
+        Journal = bssa,
+        Pages = {1755-1770},
+        Title = {Surface motion of a semi-cylindrical alluvial valley for incident plane {{\it SH}} waves},
+        Volume = {61},
+        Year = {1971}}
 
 @article{Tro01,
-	Author = {J. Tromp},
-	Journal = {Ann. Rev. Earth Planet. Sci.},
-	Pages = {47-69},
-	Title = {Inner-core anisotropy and rotation},
-	Volume = {29},
-	Year = {2001}}
+        Author = {J. Tromp},
+        Journal = {Ann. Rev. Earth Planet. Sci.},
+        Pages = {47-69},
+        Title = {Inner-core anisotropy and rotation},
+        Volume = {29},
+        Year = {2001}}
 
 @article{Tromp93,
-	Author = {J. Tromp},
-	Journal = {Nature},
-	Pages = {678-681},
-	Title = {Support for anisotropy of the {E}arth's inner core from free oscillations},
-	Volume = {366},
-	Year = {1993}}
+        Author = {J. Tromp},
+        Journal = {Nature},
+        Pages = {678-681},
+        Title = {Support for anisotropy of the {E}arth's inner core from free oscillations},
+        Volume = {366},
+        Year = {1993}}
 
 @incollection{TrKo00,
-	Address = {Roma, Italy},
-	Author = {J. Tromp and D. Komatitsch},
-	Booktitle = {Problems in Geophysics for the New Millennium},
-	Editor = {E. Boschi and G. Ekstr\"{o}m and A. Morelli},
-	Pages = {351-372},
-	Publisher = {INGV},
-	Title = {Spectral-element simulations of wave propagation in a laterally homogeneous {E}arth model},
-	Year = {2000}}
+        Address = {Roma, Italy},
+        Author = {J. Tromp and D. Komatitsch},
+        Booktitle = {Problems in Geophysics for the New Millennium},
+        Editor = {E. Boschi and G. Ekstr\"{o}m and A. Morelli},
+        Pages = {351-372},
+        Publisher = {INGV},
+        Title = {Spectral-element simulations of wave propagation in a laterally homogeneous {E}arth model},
+        Year = {2000}}
 
 @article{TrKoHjLiZhPeBoMcFrTrHu10,
-	Author = {Tromp, Jeroen and Komatitsch, Dimitri and Hjoerleifsdottir, Vala and Liu, Qinya and Zhu, Hejun and Peter, Daniel and Bozdag, Ebru and McRitchie, Dennis and Friberg, Paul and Trabant, Chad and Hutko, Alex},
-	Doi = {10.1111/j.1365-246X.2010.04734.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {381-389},
-	Title = {Near real-time simulations of global {CMT} earthquakes},
-	Volume = {183},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04734.x}}
+        Author = {Tromp, Jeroen and Komatitsch, Dimitri and Hjoerleifsdottir, Vala and Liu, Qinya and Zhu, Hejun and Peter, Daniel and Bozdag, Ebru and McRitchie, Dennis and Friberg, Paul and Trabant, Chad and Hutko, Alex},
+        Doi = {10.1111/j.1365-246X.2010.04734.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {381-389},
+        Title = {Near real-time simulations of global {CMT} earthquakes},
+        Volume = {183},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04734.x}}
 
 @article{TrKoLi08,
-	Author = {Jeroen Tromp and Dimitri Komatitsch and Qinya Liu},
-	Journal = {Communications in Computational Physics},
-	Number = {1},
-	Pages = {1-32},
-	Title = {Spectral-Element and Adjoint Methods in Seismology},
-	Volume = {3},
-	Year = {2008}}
+        Author = {Jeroen Tromp and Dimitri Komatitsch and Qinya Liu},
+        Journal = {Communications in Computational Physics},
+        Number = {1},
+        Pages = {1-32},
+        Title = {Spectral-Element and Adjoint Methods in Seismology},
+        Volume = {3},
+        Year = {2008}}
 
 @article{trompetal2010,
-	Author = {Jeroen Tromp and Yang Luo and Shravan Hanasoge and Daniel Peter},
-	Doi = {10.1111/j.1365-246X.2010.04721.x},
-	Journal = gji,
-	Pages = {791-819},
-	Title = {Noise Cross-Correlation Sensitivity Kernels},
-	Volume = {183},
-	Year = {2010},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04721.x}}
+        Author = {Jeroen Tromp and Yang Luo and Shravan Hanasoge and Daniel Peter},
+        Doi = {10.1111/j.1365-246X.2010.04721.x},
+        Journal = gji,
+        Pages = {791-819},
+        Title = {Noise Cross-Correlation Sensitivity Kernels},
+        Volume = {183},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2010.04721.x}}
 
 @article{TrMi99,
-	Author = {J. Tromp and J. X. Mitrovica},
-	Journal = gji,
-	Pages = {847-855},
-	Title = {Surface loading of a viscoelastic {E}arth: {I - G}eneral theory},
-	Volume = {137},
-	Year = {1999}}
+        Author = {J. Tromp and J. X. Mitrovica},
+        Journal = gji,
+        Pages = {847-855},
+        Title = {Surface loading of a viscoelastic {E}arth: {I - G}eneral theory},
+        Volume = {137},
+        Year = {1999}}
 
 @article{TrTaLi05,
-	Author = {Jeroen Tromp and Carl Tape and Qinya Liu},
-	Doi = {10.1111/j.1365-246X.2004.02453.x},
-	Journal = gji,
-	Number = {1},
-	Pages = {195-216},
-	Title = {Seismic tomography, adjoint methods, time reversal and banana-doughnut kernels},
-	Volume = {160},
-	Year = {2005},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2004.02453.x}}
+        Author = {Jeroen Tromp and Carl Tape and Qinya Liu},
+        Doi = {10.1111/j.1365-246X.2004.02453.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {195-216},
+        Title = {Seismic tomography, adjoint methods, time reversal and banana-doughnut kernels},
+        Volume = {160},
+        Year = {2005},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2004.02453.x}}
 
 @article{TrRoFl02,
-	Author = {A. Tryggvason and S. T. R\"ognvaldsson and O. G. Fl\'ovenz},
-	Journal = gji,
-	Pages = {848-866},
-	Title = {Three-dimensional imaging of the {P}- and {S}-wave velocity structure and earthquake locations beneath {S}outhwest {I}celand},
-	Volume = {151},
-	Year = {2002}}
+        Author = {A. Tryggvason and S. T. R\"ognvaldsson and O. G. Fl\'ovenz},
+        Journal = gji,
+        Pages = {848-866},
+        Title = {Three-dimensional imaging of the {P}- and {S}-wave velocity structure and earthquake locations beneath {S}outhwest {I}celand},
+        Volume = {151},
+        Year = {2002}}
 
 @article{TsKoJiTr08,
-	Author = {S. Tsuboi and D. Komatitsch and C. Ji and J. Tromp},
-	Doi = {10.1007/978-3-540-77704-5},
-	Journal = lncs,
-	Pages = {434-443},
-	Title = {Computations of global seismic wave propagation in three-dimensional earth models},
-	Volume = {4759},
-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1007/978-3-540-77704-5}}
+        Author = {S. Tsuboi and D. Komatitsch and C. Ji and J. Tromp},
+        Doi = {10.1007/978-3-540-77704-5},
+        Journal = lncs,
+        Pages = {434-443},
+        Title = {Computations of global seismic wave propagation in three-dimensional earth models},
+        Volume = {4759},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1007/978-3-540-77704-5}}
 
 @article{TsKoChTr03,
-	Author = {Seiji Tsuboi and Dimitri Komatitsch and Chen Ji and Jeroen Tromp},
-	Doi = {10.1016/j.pepi.2003.09.012},
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-	Number = {3-4},
-	Pages = {305-313},
-	Title = {Spectral-element simulations of the {N}ovember~3, 2002, {D}enali, {A}laska earthquake on the {E}arth~{S}imulator},
-	Volume = {139},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.pepi.2003.09.012}}
+        Author = {Seiji Tsuboi and Dimitri Komatitsch and Chen Ji and Jeroen Tromp},
+        Doi = {10.1016/j.pepi.2003.09.012},
+        Journal = pepi,
+        Number = {3-4},
+        Pages = {305-313},
+        Title = {Spectral-element simulations of the {N}ovember~3, 2002, {D}enali, {A}laska earthquake on the {E}arth~{S}imulator},
+        Volume = {139},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.pepi.2003.09.012}}
 
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-	Booktitle = {Advances in Computational Electrodynamics: the Finite-Difference Time-Domain method},
-	Editor = {A. Taflove},
-	Pages = {63-109},
-	Publisher = {Artech House, Boston, USA},
-	Title = {High-order methods},
-	Year = {1998}}
+        Author = {E. Turkel},
+        Booktitle = {Advances in Computational Electrodynamics: the Finite-Difference Time-Domain method},
+        Editor = {A. Taflove},
+        Pages = {63-109},
+        Publisher = {Artech House, Boston, USA},
+        Title = {High-order methods},
+        Year = {1998}}
 
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-	Title = {High accelerations in the epicentral area of the Western {N}agana Prefecture, {J}apan, earthquake of 1984},
-	Volume = {39},
-	Year = {1986}}
+        Author = {Y. Umeda and A. Kuroiso and K. Ito and Y. Ito and T. Saeki},
+        Journal = {J. Seismol. Soc. Jpn.},
+        Pages = {217-228},
+        Title = {High accelerations in the epicentral area of the Western {N}agana Prefecture, {J}apan, earthquake of 1984},
+        Volume = {39},
+        Year = {1986}}
 
 @misc{usgsLAmap,
-	Author = {USGS},
-	Note = {available online at www.usgs.gov.},
-	Title = {United {S}tates {G}eological {S}urvey {S}outhern {C}alifornia topography map},
-	Year = {2003}}
+        Author = {USGS},
+        Note = {available online at www.usgs.gov.},
+        Title = {United {S}tates {G}eological {S}urvey {S}outhern {C}alifornia topography map},
+        Year = {2003}}
 
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-	Doi = {10.1016/S0267-7261(98)00027-X},
-	Journal = {Soil Dynamics and Earthquake Engineering},
-	Number = {1},
-	Pages = {11-18},
-	Title = {Elastic wave propagation in an irregularly layered medium},
-	Volume = {18},
-	Year = {1999},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1016/S0267-7261(98)00027-X}}
+        Author = {R. Vai and J. M. Castillo-Covarrubias and F. J. S\'anchez-Sesma and D. Komatitsch and J. P. Vilotte},
+        Doi = {10.1016/S0267-7261(98)00027-X},
+        Journal = {Soil Dynamics and Earthquake Engineering},
+        Number = {1},
+        Pages = {11-18},
+        Title = {Elastic wave propagation in an irregularly layered medium},
+        Volume = {18},
+        Year = {1999},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/S0267-7261(98)00027-X}}
 
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-	Address = {Guangzhou, China},
-	Author = {Valcarce, A. and De La Roche, G. and Jie Zhang},
-	Booktitle = {Proceedings of the 11th IEEE International Conference on Communication Systems},
-	Doi = {10.1109/ICCS.2008.4737450},
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-	Pages = {1585-1590},
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-	Year = {2008},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/ICCS.2008.4737450}}
+        Address = {Guangzhou, China},
+        Author = {Valcarce, A. and De La Roche, G. and Jie Zhang},
+        Booktitle = {Proceedings of the 11th IEEE International Conference on Communication Systems},
+        Doi = {10.1109/ICCS.2008.4737450},
+        Month = nov,
+        Pages = {1585-1590},
+        Title = {A {GPU} approach to {FDTD} for radio coverage prediction},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/ICCS.2008.4737450}}
 
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-	Pages = {419-422},
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-	Volume = {309},
-	Year = {1989}}
+        Author = {B. Valette},
+        Journal = {C. R. Acad. Sci. Paris},
+        Pages = {419-422},
+        Title = {Spectre des vibrations propres d'un corps \'elastique, auto-gravitant, en rotation uniforme et contenant une partie fluide ({F}ree Oscillations spectrum of an elastic, self-gravitating, uniformly rotating body with a fluid inclusion)},
+        Volume = {309},
+        Year = {1989}}
 
 @phdthesis{Val87,
-	Address = {Paris},
-	Author = {B. Valette},
-	Note = {th\`ese d'\'etat},
-	School = {Universit\'e Paris {\sc VI} Jussieu},
-	Title = {Spectre des oscillations libres de la {T}erre: aspects math\'ematiques et g\'eophysiques ({S}pectrum of the free oscillations of the {E}arth: mathematical and geophysical aspects)},
-	Year = {1987}}
+        Address = {Paris},
+        Author = {B. Valette},
+        Note = {th\`ese d'\'etat},
+        School = {Universit\'e Paris {\sc VI} Jussieu},
+        Title = {Spectre des oscillations libres de la {T}erre: aspects math\'ematiques et g\'eophysiques ({S}pectrum of the free oscillations of the {E}arth: mathematical and geophysical aspects)},
+        Year = {1987}}
 
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-	Journal = gjras,
-	Pages = {179-208},
-	Title = {About the influence of prestress upon the adiabatic perturbations of the {E}arth},
-	Volume = {85},
-	Year = {1986}}
+        Author = {B. Valette},
+        Journal = gjras,
+        Pages = {179-208},
+        Title = {About the influence of prestress upon the adiabatic perturbations of the {E}arth},
+        Volume = {85},
+        Year = {1986}}
 
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-	Author = {M. Vallon},
-	Institution = {LGGE, IPSN/CNRS, Universit\'e Joseph Fourier},
-	Pages = {33},
-	Title = {Estimation de l'\'epaisseur d'alluvions et s\'ediments quaternaires dans la r\'egion grenobloise par inversion des anomalies gravim\'etriques ({E}stimation of the thickness of alluvial and quaternary deposits in the {G}renoble area by inverting gravimetric anomalies)},
-	Year = {1999}}
+        Author = {M. Vallon},
+        Institution = {LGGE, IPSN/CNRS, Universit\'e Joseph Fourier},
+        Pages = {33},
+        Title = {Estimation de l'\'epaisseur d'alluvions et s\'ediments quaternaires dans la r\'egion grenobloise par inversion des anomalies gravim\'etriques ({E}stimation of the thickness of alluvial and quaternary deposits in the {G}renoble area by inverting gravimetric anomalies)},
+        Year = {1999}}
 
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-	Pages = {267-276},
-	Title = {Finite-Difference Modeling of Scalar-Wave Propagation in Cracked Media},
-	Volume = {66},
-	Year = {2001}}
+        Author = {G. B. {Van Baren} and W. A. Mulder and G. C. Herman},
+        Journal = geophysics,
+        Pages = {267-276},
+        Title = {Finite-Difference Modeling of Scalar-Wave Propagation in Cracked Media},
+        Volume = {66},
+        Year = {2001}}
 
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-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/75.482000}}
+        Author = {J. C. Veihl and R. Mittra},
+        Doi = {10.1109/75.482000},
+        Journal = {IEEE Microwave and Guided Wave Letters},
+        Number = {2},
+        Pages = {94-96},
+        Title = {An efficient implementation of {B}\'erenger's perfectly matched layer ({PML}) for finite-difference time-domain mesh truncation},
+        Volume = {6},
+        Year = {1996},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/75.482000}}
 
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-	Year = {1973}}
+        Author = {J. A. Viecelli},
+        Journal = jgr,
+        Pages = {3334-3339},
+        Title = {Topography and the {R}ayleigh wave generating efficiency of buried explosive sources},
+        Volume = {78},
+        Year = {1973}}
 
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-	Publisher = {Plenum Press},
-	Title = {Rayleigh and Lamb waves: physical theory and applications},
-	Year = {1967}}
+        Address = {New York, USA},
+        Author = {I. A. Viktorov},
+        Publisher = {Plenum Press},
+        Title = {Rayleigh and Lamb waves: physical theory and applications},
+        Year = {1967}}
 
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-	Pages = {Abstract S32B-08},
-	Title = {Spectral Element simulation of rupture dynamics on curvilinear faults},
-	Volume = {85},
-	Year = {2004}}
+        Author = {Jean Pierre Vilotte and Gaetano Festa},
+        Journal = {EOS},
+        Number = {47},
+        Pages = {Abstract S32B-08},
+        Title = {Spectral Element simulation of rupture dynamics on curvilinear faults},
+        Volume = {85},
+        Year = {2004}}
 
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+        Author = {L. Vinnik and L. Breger and B. Romanowicz},
+        Journal = {Nature},
+        Pages = {564-567},
+        Title = {Anisotropic structures at the base of the {E}arth's mantle},
+        Volume = {393},
+        Year = {1998}}
 
 @incollection{ViKoMa84,
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-	Publisher = {English translation by Scripta Technica},
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-	Volume = {278},
-	Year = {1984}}
+        Address = {New York, USA},
+        Author = {L. Vinnik and G. L. Kosarev and L. I. Makeyeva},
+        Booktitle = {Doklady-Earth Sci. Sec.},
+        Pages = {39-43},
+        Publisher = {English translation by Scripta Technica},
+        Title = {Lithospheric anisotropy as indicated by {SKS} and {SKKS} waves},
+        Volume = {278},
+        Year = {1984}}
 
 @article{Vinnik95,
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-	Journal = grl,
-	Pages = {1657--1660},
-	Title = {Seismic anisotropy in the {D}'' layer},
-	Volume = {22},
-	Year = {1995}}
+        Author = {Vinnik, L. and B. Romanowicz and Y. Le Stunff and L. Makeyeva},
+        Journal = grl,
+        Pages = {1657--1660},
+        Title = {Seismic anisotropy in the {D}'' layer},
+        Volume = {22},
+        Year = {1995}}
 
 @article{ViFaRo89,
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-	Pages = {519-522},
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-	Volume = {16},
-	Year = {1989}}
+        Author = {L. P. Vinnik and V. Farra and B. Romanowicz},
+        Journal = grl,
+        Pages = {519-522},
+        Title = {Observational evidence for diffracted {SV} in the shadow of the {E}arth's core},
+        Volume = {16},
+        Year = {1989}}
 
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-	Pages = {889-901},
-	Title = {{\it P-SV} wave propagation in heterogeneous media: velocity-stress finite-difference method},
-	Volume = {51},
-	Year = {1986}}
+        Author = {J. Virieux},
+        Journal = geophysics,
+        Pages = {889-901},
+        Title = {{\it P-SV} wave propagation in heterogeneous media: velocity-stress finite-difference method},
+        Volume = {51},
+        Year = {1986}}
 
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-	Year = {1984}}
+        Author = {J. Virieux},
+        Journal = geophysics,
+        Pages = {1933-1942},
+        Title = {{\it SH} wave propagation in heterogeneous media: velocity-stress finite-difference method},
+        Volume = {49},
+        Year = {1984}}
 
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+        Author = {J. Virieux and R. Madariaga},
+        Journal = bssa,
+        Pages = {345-369},
+        Title = {Dynamic faulting studied by a finite-difference method},
+        Volume = {72},
+        Year = {1982}}
 
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-	Volume = {74},
-	Year = {2009},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.3238367}}
+        Author = {J. Virieux and S. Operto},
+        Doi = {10.1190/1.3238367},
+        Journal = geophysics,
+        Number = {6},
+        Pages = {WCC1-WCC26},
+        Title = {An overview of full-waveform inversion in exploration geophysics},
+        Volume = {74},
+        Year = {2009},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.3238367}}
 
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+        Author = {S. Vlastos and E. Liu and I. G. Main and X. Y. Li},
+        Journal = gji,
+        Pages = {649-668},
+        Title = {Numerical simulation of wave propagation in media with discrete distributions of fractures: effects of fractures sizes and spatial distribution},
+        Volume = {152},
+        Year = {2003}}
 
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+        Author = {Vasily Volkov and James W. Demmel},
+        Booktitle = {SC '08: Proceedings of the 2008 ACM/IEEE conference on Supercomputing},
+        Doi = {10.1145/1413370.1413402},
+        Month = nov,
+        Pages = {1--11},
+        Title = {Benchmarking {GPUs} to tune dense linear algebra},
+        Year = {2008},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1145/1413370.1413402}}
 
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+        Author = {Peter E. J. Vos and Spencer J. Sherwin and Robert M. Kirby},
+        Doi = {10.1016/j.jcp.2010.03.031},
+        Journal = jcp,
+        Pages = {5161-5181},
+        Title = {From $h$ to $p$ efficiently: Implementing finite and spectral/$hp$ element methods to achieve optimal performance for low- and high-order discretisations},
+        Volume = {229},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2010.03.031}}
 
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-	Volume = {67},
-	Year = {2002},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1468623}}
+        Author = {van Vossen, Robbert and Johan O. A. Robertsson and Chris H. Chapman},
+        Doi = {10.1190/1.1468623},
+        Journal = geophysics,
+        Number = {2},
+        Pages = {618-624},
+        Title = {Finite-difference modeling of wave propagation in a fluid-solid configuration},
+        Volume = {67},
+        Year = {2002},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1468623}}
 
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-	Journal = {J. Phys. Earth},
-	Pages = {489-503},
-	Title = {Slip history of the 1995 {K}obe, {J}apan, earthquake determined from strong motion, teleseismic, and geodetic data},
-	Volume = {44},
-	Year = {1996}}
+        Author = {D. J. Wald},
+        Journal = {J. Phys. Earth},
+        Pages = {489-503},
+        Title = {Slip history of the 1995 {K}obe, {J}apan, earthquake determined from strong motion, teleseismic, and geodetic data},
+        Volume = {44},
+        Year = {1996}}
 
 @article{WaGr98,
-	Author = {D. J. Wald and R. W. Graves},
-	Journal = bssa,
-	Pages = {337-356},
-	Title = {The seismic response of the {L}os {A}ngeles basin, {C}alifornia},
-	Volume = {88},
-	Year = {1998}}
+        Author = {D. J. Wald and R. W. Graves},
+        Journal = bssa,
+        Pages = {337-356},
+        Title = {The seismic response of the {L}os {A}ngeles basin, {C}alifornia},
+        Volume = {88},
+        Year = {1998}}
 
 @article{WaHe94,
-	Author = {D. J. Wald and T. H. Heaton},
-	Journal = bssa,
-	Pages = {668-691},
-	Title = {Spatial and temporal distribution of slip for the 1992 {L}anders, {C}alifornia Earthquake},
-	Volume = {84},
-	Year = {1994}}
+        Author = {D. J. Wald and T. H. Heaton},
+        Journal = bssa,
+        Pages = {668-691},
+        Title = {Spatial and temporal distribution of slip for the 1992 {L}anders, {C}alifornia Earthquake},
+        Volume = {84},
+        Year = {1994}}
 
 @article{WaHeHu96,
-	Author = {D. J. Wald and T. H. Heaton and K. W. Hudnut},
-	Journal = bssa,
-	Pages = {S49-S70},
-	Title = {The slip history of the 1994 {N}orthridge, {C}alifornia, earthquake determined from strong ground motion, teleseismic, {GPS}, and leveling data},
-	Volume = {86},
-	Year = {1996}}
+        Author = {D. J. Wald and T. H. Heaton and K. W. Hudnut},
+        Journal = bssa,
+        Pages = {S49-S70},
+        Title = {The slip history of the 1994 {N}orthridge, {C}alifornia, earthquake determined from strong ground motion, teleseismic, {GPS}, and leveling data},
+        Volume = {86},
+        Year = {1996}}
 
 @article{WanAch96,
-	Author = {C. Y. Wang and J. D. Achenbach},
-	Journal = {Wave Motion},
-	Pages = {227-242},
-	Title = {Lamb's problem for solids of general anisotropy},
-	Volume = {24},
-	Year = {1996}}
+        Author = {C. Y. Wang and J. D. Achenbach},
+        Journal = {Wave Motion},
+        Pages = {227-242},
+        Title = {Lamb's problem for solids of general anisotropy},
+        Volume = {24},
+        Year = {1996}}
 
 @article{WanAch95,
-	Author = {C. Y. Wang and J. D. Achenbach},
-	Journal = {Proceedings of the Royal Society of London, United Kingdom},
-	Pages = {441-458},
-	Title = {Three-dimensional time-harmonic elastodynamic {G}reen's functions for anisotropic solids},
-	Volume = {A-449},
-	Year = {1995}}
+        Author = {C. Y. Wang and J. D. Achenbach},
+        Journal = {Proceedings of the Royal Society of London, United Kingdom},
+        Pages = {441-458},
+        Title = {Three-dimensional time-harmonic elastodynamic {G}reen's functions for anisotropic solids},
+        Volume = {A-449},
+        Year = {1995}}
 
 @article{WanAch94,
-	Author = {C. Y. Wang and J. D. Achenbach},
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-	Pages = {384-392},
-	Title = {Elastodynamic fundamental solutions for anisotropic solids},
-	Volume = {118},
-	Year = {1994}}
+        Author = {C. Y. Wang and J. D. Achenbach},
+        Journal = gji,
+        Pages = {384-392},
+        Title = {Elastodynamic fundamental solutions for anisotropic solids},
+        Volume = {118},
+        Year = {1994}}
 
 @article{WanAch93,
-	Author = {C. Y. Wang and J. D. Achenbach},
-	Journal = {Wave Motion},
-	Pages = {273-289},
-	Title = {A new method to obtain 3{D} {G}reen's functions for anisotropic solids},
-	Volume = {18},
-	Year = {1993}}
+        Author = {C. Y. Wang and J. D. Achenbach},
+        Journal = {Wave Motion},
+        Pages = {273-289},
+        Title = {A new method to obtain 3{D} {G}reen's functions for anisotropic solids},
+        Volume = {18},
+        Year = {1993}}
 
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-	Pages = {389-405},
-	Title = {A new look at 2{D} time-domain elastodynamic {G}reen's functions for general anisotropic solids},
-	Volume = {16},
-	Year = {1992}}
+        Author = {C. Y. Wang and J. D. Achenbach},
+        Journal = {Wave Motion},
+        Pages = {389-405},
+        Title = {A new look at 2{D} time-domain elastodynamic {G}reen's functions for general anisotropic solids},
+        Volume = {16},
+        Year = {1992}}
 
 @article{WaHe80,
-	Author = {C. Y. Wang and R. B. Herrmann},
-	Journal = bssa,
-	Pages = {1015-1036},
-	Title = {A numerical study of {{\it P}}, {{\it SV}} and {{\it SH}} wave generation in a plane layered medium},
-	Volume = {70},
-	Year = {1980}}
+        Author = {C. Y. Wang and R. B. Herrmann},
+        Journal = bssa,
+        Pages = {1015-1036},
+        Title = {A numerical study of {{\it P}}, {{\it SV}} and {{\it SH}} wave generation in a plane layered medium},
+        Volume = {70},
+        Year = {1980}}
 
 @article{Wan08a,
-	Author = {L. Wang},
-	Journal = {Wave Motion},
-	Pages = {264-277},
-	Title = {Extraordinary degeneracy and space of degeneracy in transversely isotropic elastic media},
-	Volume = {45},
-	Year = {2008}}
+        Author = {L. Wang},
+        Journal = {Wave Motion},
+        Pages = {264-277},
+        Title = {Extraordinary degeneracy and space of degeneracy in transversely isotropic elastic media},
+        Volume = {45},
+        Year = {2008}}
 
 @article{Wan08b,
-	Author = {L. Wang},
-	Journal = {Journal of the Acoustical Society of America},
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-	Pages = {4140-4146},
-	Title = {Caustic and anticaustic points in the phonon focusing patterns of cubic crystals},
-	Volume = {123},
-	Year = {2008}}
+        Author = {L. Wang},
+        Journal = {Journal of the Acoustical Society of America},
+        Number = {6},
+        Pages = {4140-4146},
+        Title = {Caustic and anticaustic points in the phonon focusing patterns of cubic crystals},
+        Volume = {123},
+        Year = {2008}}
 
 @article{Wan04,
-	Author = {L. Wang},
-	Journal = {Wave Motion},
-	Pages = {173-190},
-	Title = {Space of degeneracy in the {S}troh eigensystem and surface waves in transversely isotropic elastic media},
-	Volume = {40},
-	Year = {2004}}
+        Author = {L. Wang},
+        Journal = {Wave Motion},
+        Pages = {173-190},
+        Title = {Space of degeneracy in the {S}troh eigensystem and surface waves in transversely isotropic elastic media},
+        Volume = {40},
+        Year = {2004}}
 
 @article{Wan92,
-	Author = {L. Wang},
-	Journal = {Physica Scripta},
-	Pages = {128-132},
-	Title = {Existence of symmetric surface waves and their relation with leaky surface waves in cubic materials},
-	Volume = {T44},
-	Year = {1992}}
+        Author = {L. Wang},
+        Journal = {Physica Scripta},
+        Pages = {128-132},
+        Title = {Existence of symmetric surface waves and their relation with leaky surface waves in cubic materials},
+        Volume = {T44},
+        Year = {1992}}
 
 @article{WanGun93,
-	Author = {L. Wang and S. A. Gundersen},
-	Journal = {Physica Scripta},
-	Pages = {394-404},
-	Title = {Existence of one-component surface waves in anisotropic elastic media},
-	Volume = {47},
-	Year = {1993}}
+        Author = {L. Wang and S. A. Gundersen},
+        Journal = {Physica Scripta},
+        Pages = {394-404},
+        Title = {Existence of one-component surface waves in anisotropic elastic media},
+        Volume = {47},
+        Year = {1993}}
 
 @article{WanLot92a,
-	Author = {L. Wang and J. Lothe},
-	Journal = {Wave Motion},
-	Pages = {89-99},
-	Title = {Simple reflection in anisotropic elastic media and its relation to exceptional waves and supersonic surface waves ({I}) {G}eneral theoretical considerations},
-	Volume = {16},
-	Year = {1992}}
+        Author = {L. Wang and J. Lothe},
+        Journal = {Wave Motion},
+        Pages = {89-99},
+        Title = {Simple reflection in anisotropic elastic media and its relation to exceptional waves and supersonic surface waves ({I}) {G}eneral theoretical considerations},
+        Volume = {16},
+        Year = {1992}}
 
 @article{WanLot92b,
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-	Journal = {Wave Motion},
-	Pages = {101-112},
-	Title = {Simple reflection in anisotropic elastic media and its relation to exceptional waves and supersonic surface waves: ({II}) examples},
-	Volume = {16},
-	Year = {1992}}
+        Author = {L. Wang and J. Lothe},
+        Journal = {Wave Motion},
+        Pages = {101-112},
+        Title = {Simple reflection in anisotropic elastic media and its relation to exceptional waves and supersonic surface waves: ({II}) examples},
+        Volume = {16},
+        Year = {1992}}
 
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-	Volume = {33},
-	Year = {1990}}
+        Author = {P. J. Wang and Y. Nakamura and M. Yasuhara},
+        Journal = {Trans. Japan Soc. Aero. Space Sci.},
+        Pages = {120-134},
+        Title = {A {C}hebyshev collocation method for the compressible {N}avier-{S}tokes equations in generalized coordinates},
+        Volume = {33},
+        Year = {1990}}
 
 @article{WaTa03,
-	Author = {Tsili Wang and Xiaoming Tang},
-	Doi = {10.1190/1.1620648},
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-	Volume = {68},
-	Year = {2003},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1620648}}
+        Author = {Tsili Wang and Xiaoming Tang},
+        Doi = {10.1190/1.1620648},
+        Journal = geophysics,
+        Number = {5},
+        Pages = {1749-1755},
+        Title = {Finite-difference modeling of elastic wave propagation: A nonsplitting perfectly matched layer approach},
+        Volume = {68},
+        Year = {2003},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1190/1.1620648}}
 
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-	Pages = {689-708},
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-	Year = {2001}}
+        Author = {Y. Wang and H. Takenaka and T. Furumura},
+        Journal = gji,
+        Pages = {689-708},
+        Title = {Modelling seismic wave propagation in a two-dimensional cylindrical whole-{E}arth model using the pseudospectral method},
+        Volume = {145},
+        Year = {2001}}
 
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-	Journal = {Wave Motion},
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-	Title = {Subsonic slip waves and steady sliding at the interface between two anisotropic elastic half-spaces in frictional contact with stick-slip},
-	Volume = {44},
-	Year = {2007}}
+        Author = {Y. S. Wang and N. Li and G. L. Yu},
+        Journal = {Wave Motion},
+        Pages = {439-457},
+        Title = {Subsonic slip waves and steady sliding at the interface between two anisotropic elastic half-spaces in frictional contact with stick-slip},
+        Volume = {44},
+        Year = {2007}}
 
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+        Author = {Wen, L.},
+        Journal = epsl,
+        Pages = {83--95},
+        Title = {Seismic evidence for a rapidly varying compositional anomaly at the base of the {E}arth's mantle beneath the {I}ndian {O}cean},
+        Volume = {194},
+        Year = {2001}}
 
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+        Author = {L. X. Wen and D. V. Helmberger},
+        Journal = jgr,
+        Pages = {17,901-17,918},
+        Title = {A two-dimensional P-SV hybrid method and its application to modeling localized structures near the core-mantle boundary},
+        Volume = {103},
+        Year = {1998}}
 
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+        Author = {L. X. Wen and P. G. Silver and D. James and R. Kuehnel},
+        Journal = epsl,
+        Pages = {141-153},
+        Title = {Seismic evidence for a thermo-chemical boundary at the base of the {E}arth's mantle},
+        Volume = {189},
+        Year = {2001}}
 
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+        Author = {D. R. White and L. Mingwu and S. E. Benzley and G. D. Sjaardema},
+        Booktitle = {Proceedings of the 4th International Meshing Roundtable},
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+        Journal = {Nature},
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+        Title = {Efficacy of the post-perovskite phase as an explanation for lowermost-mantle seismic properties},
+        Volume = {438},
+        Year = {2005}}
 
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-	Author = {M. Woolsey and W. E. Hutchcraft and R. K. Gordon},
-	Booktitle = {Proceedings of the 2007 IEEE International Symposium on Antennas and Propagation},
-	Doi = {10.1109/APS.2007.4396901},
-	Pages = {5925-5928},
-	Title = {High-Level programming of graphics hardware to increase performance of electromagnetics simulation},
-	Year = {2007},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/APS.2007.4396901}}
+        Author = {M. Woolsey and W. E. Hutchcraft and R. K. Gordon},
+        Booktitle = {Proceedings of the 2007 IEEE International Symposium on Antennas and Propagation},
+        Doi = {10.1109/APS.2007.4396901},
+        Pages = {5925-5928},
+        Title = {High-Level programming of graphics hardware to increase performance of electromagnetics simulation},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/APS.2007.4396901}}
 
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-	Author = {T. L. Wright},
-	Booktitle = {Active Margin Basins},
-	Editor = {K. T. Biddle},
-	Pages = {35-134},
-	Publisher = {Am. Assoc. Pet. Geol. Memoir},
-	Title = {Structural geology and tectonic evolution of the {L}os {A}ngeles basin, {C}alifornia},
-	Volume = {52},
-	Year = {1991}}
+        Author = {T. L. Wright},
+        Booktitle = {Active Margin Basins},
+        Editor = {K. T. Biddle},
+        Pages = {35-134},
+        Publisher = {Am. Assoc. Pet. Geol. Memoir},
+        Title = {Structural geology and tectonic evolution of the {L}os {A}ngeles basin, {C}alifornia},
+        Volume = {52},
+        Year = {1991}}
 
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-	Author = {J. Y. Wu and D. M. Kingsland and J. F. Lee and R. Lee},
-	Journal = {IEEE transactions on Antennas and Propagation},
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-	Pages = {40-50},
-	Title = {A comparison of anisotropic {PML} to {B\'e}renger's {PML} and its application to the finite-element method for {EM} scattering},
-	Volume = {45},
-	Year = {1997}}
+        Author = {J. Y. Wu and D. M. Kingsland and J. F. Lee and R. Lee},
+        Journal = {IEEE transactions on Antennas and Propagation},
+        Number = {1},
+        Pages = {40-50},
+        Title = {A comparison of anisotropic {PML} to {B\'e}renger's {PML} and its application to the finite-element method for {EM} scattering},
+        Volume = {45},
+        Year = {1997}}
 
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-	Pages = {707-717},
-	Title = {An improved scheme of an interactive finite element model for {3D} soft-tissue cutting and deformation},
-	Volume = {21},
-	Year = {2005}}
+        Author = {Wen Wu and Pheng Ann Heng},
+        Journal = {Visual Computing},
+        Number = {8-10},
+        Pages = {707-717},
+        Title = {An improved scheme of an interactive finite element model for {3D} soft-tissue cutting and deformation},
+        Volume = {21},
+        Year = {2005}}
 
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-	Author = {Wen Wu and Pheng Ann Heng},
-	Doi = {10.1002/cav.v15:3/4},
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-	Title = {A hybrid condensed finite element model with {GPU} acceleration for interactive {3D} soft tissue cutting: Research Articles},
-	Volume = {15},
-	Year = {2004},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1002/cav.v15:3/4}}
+        Author = {Wen Wu and Pheng Ann Heng},
+        Doi = {10.1002/cav.v15:3/4},
+        Journal = {Computer Animation and Virtual Worlds archive},
+        Number = {3-4},
+        Pages = {219-227},
+        Title = {A hybrid condensed finite element model with {GPU} acceleration for interactive {3D} soft tissue cutting: Research Articles},
+        Volume = {15},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1002/cav.v15:3/4}}
 
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+        Author = {W. J. Wu and M. G. Rochester},
+        Journal = gji,
+        Pages = {697-706},
+        Title = {Core dynamics: the two-potential description and a new variational principle},
+        Volume = {103},
+        Year = {1990}}
 
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-	Title = {The {D}'' discontinuity and its implications},
-	Year = {1998}}
+        Address = {Washington D.C., USA},
+        Author = {M. E. Wysession and T. Lay and J. Revenaugh and Q. Williams and E. J. Garnero and R. Jeanloz and L. H. Kellogg},
+        Booktitle = {The core-mantle boundary region},
+        Editor = {M. Gurnis and M. E. Wysession and E. Knittle and B. A. Buffett},
+        Pages = {273-298},
+        Publisher = {American Geophysical Union},
+        Title = {The {D}'' discontinuity and its implications},
+        Year = {1998}}
 
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+        Author = {Jifeng Xu and Jacobo Bielak and Omar Ghattas and Jianlin Wang},
+        Journal = pepi,
+        Number = {1-4},
+        Pages = {81-95},
+        Title = {Three-dimensional nonlinear seismic ground motion modeling in inelastic basins},
+        Volume = {137},
+        Year = {2003}}
 
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+        Author = {Jin Xu and Brahim Mustapha and Peter Ostroumov and Jerry Nolen},
+        Doi = {10.4208/cicp.080409.051009a},
+        Journal = {Commun. Comput. Phys.},
+        Number = {1},
+        Pages = {159-184},
+        Title = {Direct {V}lasov Solvers with High-Order Spectral Element Method},
+        Volume = {8},
+        Year = {2010},
+        Bdsk-Url-1 = {http://dx.doi.org/10.4208/cicp.080409.051009a}}
 
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+        Author = {Juekuan Yang and Yujuan Wang and Yunfei Chen},
+        Doi = {10.1016/j.jcp.2006.06.039},
+        Journal = jcp,
+        Pages = {799-804},
+        Title = {{GPU} accelerated molecular dynamics simulation of thermal conductivities},
+        Volume = {221},
+        Year = {2007},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1016/j.jcp.2006.06.039}}
 
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+        Journal = {AAPG Bulletin},
+        Number = {7},
+        Pages = {1040-1074},
+        Title = {Late {C}enozoic tectonics of the East {V}entura Basin, {T}ransverse {R}anges, {C}alifornia},
+        Volume = {78},
+        Year = {1994}}
 
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+        Author = {Kane S. Yee},
+        Journal = {IEEE Transactions on Antennas and Propagation},
+        Pages = {302-307},
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+        Volume = {14},
+        Year = {1966}}
 
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+        Author = {A. Yefet and E. Turkel},
+        Journal = {Applied Numerical Mathematics: Transactions of IMACS},
+        Pages = {125-134},
+        Title = {Fourth-order compact implicit method for the {M}axwell equations with discontinuous coefficients},
+        Volume = {33},
+        Year = {2000}}
 
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+        Author = {K. T. Yoon and T. J. Chung},
+        Journal = cmame,
+        Pages = {343-367},
+        Title = {Three-dimensional mixed explicit-implicit generalized {G}alerkin spectral element methods for high-speed turbulent compressible flows},
+        Volume = {135},
+        Year = {1996}}
 
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+        Author = {Y. Yu and J. Park},
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+        Volume = {114},
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+        Author = {J. Zahradn{\'\i}k and P. Moczo and F. Hron},
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+        Volume = {83},
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+        Author = {J. Zahradn{\'\i}k and P. O'Leary and J. Sochacki},
+        Journal = geophysics,
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+        Volume = {59},
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-	Year = {1996}}
+        Address = {Canada},
+        Author = {X. Zeng},
+        School = {University of Toronto},
+        Title = {Finite difference modeling of viscoelastic wave propagation in a generally heterogeneous medium in the time domain, and a dissection method in the frequency domain},
+        Year = {1996}}
 
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+        Author = {Y. Q. Zeng and J. Q. He and Q. H. Liu},
+        Journal = geophysics,
+        Number = {4},
+        Pages = {1258-1266},
+        Title = {The application of the perfectly matched layer in numerical modeling of wave propagation in poroelastic media},
+        Volume = {66},
+        Year = {2001}}
 
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+        Author = {Yan Qing Zeng and Qing Huo Liu},
+        Doi = {10.1121/1.1369783},
+        Journal = jasa,
+        Number = {6},
+        Pages = {2571-2580},
+        Title = {A staggered-grid finite-difference method with perfectly matched layers for poroelastic wave equations},
+        Volume = {109},
+        Year = {2001},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1121/1.1369783}}
 
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-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/36.927434}}
+        Author = {Y. Q. Zeng and Q. H. Liu},
+        Doi = {10.1109/36.927434},
+        Journal = {IEEE Transactions on Geoscience and Remote Sensing},
+        Number = {4},
+        Pages = {1165-1173},
+        Title = {Acoustic detection of buried objects in 3{D} fluid-saturated porous media: numerical modeling},
+        Volume = {6},
+        Year = {2001},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/36.927434}}
 
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-	Title = {Multidomain pseudospectral time-domain ({PSTD}) method for acoustic waves in lossy media},
-	Volume = {12},
-	Year = {2004}}
+        Author = {Y. Q. Zeng and Q. H. Liu and G. Zhao},
+        Journal = jca,
+        Number = {3},
+        Pages = {277-299},
+        Title = {Multidomain pseudospectral time-domain ({PSTD}) method for acoustic waves in lossy media},
+        Volume = {12},
+        Year = {2004}}
 
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-	Volume = {159},
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+        Author = {Jianfeng Zhang},
+        Doi = {10.1111/j.1365-246X.2004.02372.x},
+        Journal = gji,
+        Number = {1},
+        Pages = {240-252},
+        Title = {Wave propagation across fluid-solid interfaces: a grid method approach},
+        Volume = {159},
+        Year = {2004},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1111/j.1365-246X.2004.02372.x}}
 
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+        Author = {L. Zhang and A. K. Chopra},
+        Journal = eesd,
+        Pages = {911-926},
+        Title = {Three-dimensional analysis of spatially varying ground motions around a uniform canyon in a homogeneous half-space},
+        Volume = {20},
+        Year = {1991}}
 
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+        Author = {Y. Zhang and G. Zhang and N. Bleistein},
+        Journal = {Inverse Problems},
+        Pages = {1113-1138},
+        Title = {True amplitude wave equation migration arising from true amplitude one-way wave equations},
+        Volume = {19},
+        Year = {2003}}
 
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-	Year = {1996},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1109/22.554601}}
+        Author = {L. Zhao and A. C. Cangellaris},
+        Doi = {10.1109/22.554601},
+        Journal = {IEEE transactions on Microwave Theory and Techniques},
+        Number = {12},
+        Pages = {2555-2563},
+        Title = {{GT-PML}: generalized theory of {P}erfectly {M}atched {L}ayers and its application to the reflectionless truncation of {F}inite-{D}ifference {T}ime-{D}omain grids},
+        Volume = {44},
+        Year = {1996},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1109/22.554601}}
 
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-	Journal = gji,
-	Pages = {558-576},
-	Title = {Three-dimensional Fr\'echet differential kernels for seismic delay times},
-	Volume = {141},
-	Year = {2000}}
+        Author = {L. Zhao and T. H. Jordan and C. H. Chapman},
+        Journal = gji,
+        Pages = {558-576},
+        Title = {Three-dimensional Fr\'echet differential kernels for seismic delay times},
+        Volume = {141},
+        Year = {2000}}
 
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-	Pages = {2969-2980},
-	Title = {Moho depth variation in southern {C}alifornia from teleseismic receiver functions},
-	Volume = {105},
-	Year = {2000}}
+        Author = {L. Zhu and H. Kanamori},
+        Journal = jgr,
+        Pages = {2969-2980},
+        Title = {Moho depth variation in southern {C}alifornia from teleseismic receiver functions},
+        Volume = {105},
+        Year = {2000}}
 
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-	Pages = {328-339},
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-	Volume = {56},
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+        Author = {X. Zhu and G. A. McMechan},
+        Journal = geophysics,
+        Pages = {328-339},
+        Title = {Finite-difference modelling of the seismic response of fluid-saturated, porous, elastic media using {B}iot theory},
+        Volume = {56},
+        Year = {1991}}
 
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-	Address = {New York},
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-	Edition = {3rd},
-	Publisher = {McGraw-Hill},
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+        Address = {New York},
+        Author = {Olgierd Cecil Zienkiewicz},
+        Edition = {3rd},
+        Publisher = {McGraw-Hill},
+        Title = {The finite element method in engineering science},
+        Year = {1977}}
 
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+        Author = {O. C. Zienkiewicz and P. Bettess},
+        Journal = ijnme,
+        Pages = {1-16},
+        Title = {Fluid-structure dynamic interaction and wave forces, an introduction to numerical treatment},
+        Volume = {13},
+        Year = {1978}}
 
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-	Edition = {4th},
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-	Year = {1989}}
+        Address = {New York},
+        Author = {Olgierd Cecil Zienkiewicz and R. L. Taylor},
+        Edition = {4th},
+        Publisher = {McGraw-Hill},
+        Title = {The finite element method: v.2, solid and fluid mechanics},
+        Year = {1989}}
 
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-	Author = {David W. Zingg},
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-	Volume = {22},
-	Year = {2000},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1137/S1064827599350320}}
+        Author = {David W. Zingg},
+        Doi = {10.1137/S1064827599350320},
+        Journal = {SIAM Journal on Scientific Computing},
+        Number = {2},
+        Pages = {476-502},
+        Title = {Comparison of High-Accuracy Finite-Difference Methods for Linear Wave Propagation},
+        Volume = {22},
+        Year = {2000},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1137/S1064827599350320}}
 
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-	Author = {David W. Zingg and Harvard Lomax and Henry Jurgens},
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-	Journal = {SIAM Journal on Scientific Computing},
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-	Title = {High-Accuracy Finite-Difference Schemes for Linear Wave Propagation},
-	Volume = {17},
-	Year = {1996},
-	Bdsk-Url-1 = {http://dx.doi.org/10.1137/S1064827594267173}}
+        Author = {David W. Zingg and Harvard Lomax and Henry Jurgens},
+        Doi = {10.1137/S1064827594267173},
+        Journal = {SIAM Journal on Scientific Computing},
+        Number = {2},
+        Pages = {328-346},
+        Title = {High-Accuracy Finite-Difference Schemes for Linear Wave Propagation},
+        Volume = {17},
+        Year = {1996},
+        Bdsk-Url-1 = {http://dx.doi.org/10.1137/S1064827594267173}}
 
 @misc{notedegreesfreedom,
-	Note = {The cost of calculation is due to the fact that the mesh contains 498 million degrees of freedom.}}
+        Note = {The cost of calculation is due to the fact that the mesh contains 498 million degrees of freedom.}}
 
 @misc{notedownlaod,
-	Note = {We encourage interested research groups to download the SEM software package from the `Theoretical and Computational Seismology' webpage of the Seismological Laboratory at Caltech (www.gps.caltech.edu/research/jtromp).}}
+        Note = {We encourage interested research groups to download the SEM software package from the `Theoretical and Computational Seismology' webpage of the Seismological Laboratory at Caltech (www.gps.caltech.edu/research/jtromp).}}
 
 @misc{notehonormesh,
-	Note = {It is important to honor the major discontinuities in the velocity model when creating a mesh of the structure, to avoid numerical diffraction by a staircase discretization of the complex-shaped interfaces in the case of a regular grid.}}
+        Note = {It is important to honor the major discontinuities in the velocity model when creating a mesh of the structure, to avoid numerical diffraction by a staircase discretization of the complex-shaped interfaces in the case of a regular grid.}}
 
 @misc{notePMLnotused,
-	Note = {More accurate absorbing boundary conditions such as the Perfectly Matched Layer (PML)~\cite{CoTs01} could be used instead, but because we use a large mesh, simpler paraxial conditions are sufficient.}}
+        Note = {More accurate absorbing boundary conditions such as the Perfectly Matched Layer (PML)~\cite{CoTs01} could be used instead, but because we use a large mesh, simpler paraxial conditions are sufficient.}}
 
 @misc{notesciencevsrho,
-	Note = {Shear-wave velocity $V_s$ is defined by dividing $V_p$ by a coefficient that varies linearly from 1.732 in the deepest part of the basin (i.e., Poisson's coefficient of 0.25) to 2 in the shallow sediments near the surface(i.e., Poisson's coefficient of 0.33). Based upon well-log information, density is defined by $\rho = V_p/3 + 1280$, imposing a minimum of 2000~kg.m$^{-3}$ and maximum of 3000~kg.m$^{-3}$.}}
+        Note = {Shear-wave velocity $V_s$ is defined by dividing $V_p$ by a coefficient that varies linearly from 1.732 in the deepest part of the basin (i.e., Poisson's coefficient of 0.25) to 2 in the shallow sediments near the surface(i.e., Poisson's coefficient of 0.33). Based upon well-log information, density is defined by $\rho = V_p/3 + 1280$, imposing a minimum of 2000~kg.m$^{-3}$ and maximum of 3000~kg.m$^{-3}$.}}
 
 @misc{notesmallevents,
-	Note = {The SEM is not limited to point sources: a finite size source can be used by summing individual contributions from points located along the fault plane. To obtain the source mechanism for this event we performed a 3D centroid-moment tensor inversion based upon the basin model and the SEM. The solution is in excellent agreement with first-motion and surface-wave estimates.}}
+        Note = {The SEM is not limited to point sources: a finite size source can be used by summing individual contributions from points located along the fault plane. To obtain the source mechanism for this event we performed a 3D centroid-moment tensor inversion based upon the basin model and the SEM. The solution is in excellent agreement with first-motion and surface-wave estimates.}}
 
 @misc{notestationcorrection,
-	Note = {The shear-wave speed ($V_s$) model is based upon a simple scaling relation to compressional-wave speed ($V_p)$~\cite{notesciencevsrho}. Rather than trying to determine an optimal scaling relation, or an independent shear-wave speed model, we choose to use such a simple scaling, but allow for deficiencies in the $V_s$ model by introducing a station correction. These corrections are generally small, typically less than plus or minus one~second}}
+        Note = {The shear-wave speed ($V_s$) model is based upon a simple scaling relation to compressional-wave speed ($V_p)$~\cite{notesciencevsrho}. Rather than trying to determine an optimal scaling relation, or an independent shear-wave speed model, we choose to use such a simple scaling, but allow for deficiencies in the $V_s$ model by introducing a station correction. These corrections are generally small, typically less than plus or minus one~second}}
+
+

Modified: seismo/3D/SPECFEM3D/trunk/doc/paper_draft/paper_sesame_2.0.pdf
===================================================================
--- seismo/3D/SPECFEM3D/trunk/doc/paper_draft/paper_sesame_2.0.pdf	2011-04-07 05:37:28 UTC (rev 18193)
+++ seismo/3D/SPECFEM3D/trunk/doc/paper_draft/paper_sesame_2.0.pdf	2011-04-07 12:56:31 UTC (rev 18194)
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 %%EOF

Modified: seismo/3D/SPECFEM3D/trunk/doc/paper_draft/paper_sesame_2.0.tex
===================================================================
--- seismo/3D/SPECFEM3D/trunk/doc/paper_draft/paper_sesame_2.0.tex	2011-04-07 05:37:28 UTC (rev 18193)
+++ seismo/3D/SPECFEM3D/trunk/doc/paper_draft/paper_sesame_2.0.tex	2011-04-07 12:56:31 UTC (rev 18194)
@@ -353,9 +353,7 @@
 When and where necessary, we use Clayton-Engquist-Stacey absorbing conditions \citep{ClEn77,Sta88,QuTaZa98} to absorb outgoing waves on  fictitious boundaries of the mesh, thereby representing a semi-infinite domain.
 It would be more efficient to use a Perfectly Matched Layer (PML) \citep[see e.g.,][]{KoMa07,MaKoGe08,MaKo09},
 but a parallel implementation with good load-balancing properties is challenging because additional equations need to be solved.
-This issue is particularly important when high-order time marching is required to reduce dispersion,
-or in complex media with viscoelastic or poroelastic rheologies \citep{MaKoEz08,MaKoGeBr10}.
-Consequently, additional computations need to be performed in PML layers, in particular in corners,
+This issue becomes important when high-order time marching is required to reduce numerical dispersion in difficult case studies that involve complex media with poroelastic or viscoelastic rheologies \citep{MaKoEz08,MaKoGeBr10} or Newtonian compressible fluids \citep{MaCo2010}. Consequently, additional computations need to be performed in PML layers, in particular in corners,
 where contributions along several directions are summed \citep{KoMa07}.
 
 At a solid-fluid boundary, the interface

Modified: seismo/3D/SPECFEM3D/trunk/doc/paper_draft/response-reviews.pdf
===================================================================
(Binary files differ)



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