[cig-commits] r20547 - seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL

dkomati1 at geodynamics.org dkomati1 at geodynamics.org
Wed Jul 25 15:31:13 PDT 2012


Author: dkomati1
Date: 2012-07-25 15:31:12 -0700 (Wed, 25 Jul 2012)
New Revision: 20547

Modified:
   seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL/bibliography.bib
   seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL/manual_SPECFEM3D_GLOBE.pdf
   seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL/manual_SPECFEM3D_GLOBE.tex
Log:
fixed BibTeX errors and updated a few references


Modified: seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL/bibliography.bib
===================================================================
--- seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL/bibliography.bib	2012-07-25 22:30:21 UTC (rev 20546)
+++ seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL/bibliography.bib	2012-07-25 22:31:12 UTC (rev 20547)
@@ -45,9 +45,9 @@
 
 @ARTICLE{arnadottiretal2001,
   author = {T. \'Arnad\'ottir and S. Hreinsd\'ottir and G. Gudmunsson and P.
-      Einarsson and M. Heinert and C. V\"olksen},
+	Einarsson and M. Heinert and C. V\"olksen},
   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},
+	{Z}one due to two large earthquakes in {J}une 2000},
   journal = grl,
   year = {2001},
   volume = {28},
@@ -57,7 +57,7 @@
 @ARTICLE{EtChViGl10,
   author = {\'Etienne, V. and Chaljub, E. and Virieux, J. and Glinsky, N.},
   title = {An hp-adaptive discontinuous {G}alerkin finite-element method for
-      3-{D} elastic wave modelling},
+	3-{D} elastic wave modelling},
   journal = gji,
   year = {2010},
   volume = {183},
@@ -79,7 +79,7 @@
 @ARTICLE{AaHeHa2001,
   author = {Brad T. Aagaard and Thomas H. Heaton and John F. Hall},
   title = {Dynamic earthquake ruptures in the presence of lithostatic normal
-      stresses: implications for Friction Models and Heat Production},
+	stresses: implications for Friction Models and Heat Production},
   journal = bssa,
   year = {2001},
   volume = {91},
@@ -99,7 +99,7 @@
 @ARTICLE{AbGoHe02,
   author = {S. Abarbanel and D. Gottlieb and J. S. Hesthaven},
   title = {Long time behavior of the perfectly matched layer equations in computational
-      electromagnetics},
+	electromagnetics},
   journal = {Journal of Scientific Computing},
   year = {2002},
   volume = {17},
@@ -122,14 +122,14 @@
 @MASTERSTHESIS{Abd07,
   author = {Rached Abdelkhalek},
   title = {{\'E}valuation des acc\'el\'erateurs de calcul {GPGPU} pour la mod\'elisation
-      sismique},
+	sismique},
   school = {ENSEIRB, Bordeaux, France},
   year = {2007}
 }
 
 @CONFERENCE{AbCaCoRoLa09,
   author = {Abdelkhalek, Rached and Calandra, Henri and Coulaud, Olivier and
-      Roman, Jean and Latu, Guillaume},
+	Roman, Jean and Latu, Guillaume},
   title = {Fast Seismic Modeling and Reverse Time Migration on a {GPU} Cluster},
   booktitle = {High Performance Computing \& Simulation 2009},
   year = {2009},
@@ -143,7 +143,7 @@
 @ARTICLE{AbMaSoCa08,
   author = {A. I. Abreu and W. J. Mansur and D. {Soares Jr.} and J. A. M. Carrer},
   title = {Numerical Computation of Space Derivatives by the Complex-Variable-Differentiation
-      Method in the Convolution Quadrature-Method-Based {BEM} Formulation},
+	Method in the Convolution Quadrature-Method-Based {BEM} Formulation},
   journal = cmes,
   year = {2008},
   volume = {30},
@@ -162,7 +162,7 @@
 @ARTICLE{AcKo11,
   author = {Acosta Minolia, Cesar A. and David A. Kopriva},
   title = {Discontinuous {G}alerkin spectral element approximations on moving
-      meshes},
+	meshes},
   journal = jcp,
   year = {2011},
   volume = {230},
@@ -174,9 +174,9 @@
 @INPROCEEDINGS{AdPaBo07,
   author = {S. Adams and J. Payne and R. Boppana},
   title = {Finite Difference Time Domain ({FDTD}) Simulations Using Graphics
-      Processors},
+	Processors},
   booktitle = {Proceedings of the Department of Defense High Performance Computing
-      Modernization Program Users Group Conference},
+	Modernization Program Users Group Conference},
   year = {2007},
   pages = {334-338},
   address = {Pittsburgh, Pennsylvania, USA},
@@ -186,10 +186,10 @@
 
 @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},
+	and Jakub Kurzak and Julien Langou and Hatem Ltaief and Piotr Luszczek
+	and Stanimire Tomov},
   title = {Numerical linear algebra on emerging architectures: The {PLASMA}
-      and {MAGMA} projects},
+	and {MAGMA} projects},
   journal = {Journal of Physics: Conference Series},
   year = {2009},
   volume = {180},
@@ -200,7 +200,7 @@
 @ARTICLE{AiMoMu06,
   author = {Ainsworth, M. and Monk, P. and Muniz, W.},
   title = {Dispersive and Dissipative Properties of Discontinuous {G}alerkin
-      Finite Element Methods for the Second-Order Wave Equation},
+	Finite Element Methods for the Second-Order Wave Equation},
   journal = {Journal of Scientific Computing},
   year = {2006},
   volume = {27},
@@ -213,7 +213,7 @@
   author = {K. Aki},
   title = {Local site effects on strong ground motion},
   booktitle = {Earthquake Engineering and Soil Dynamics II- Recent advances in ground
-      motion evaluation},
+	motion evaluation},
   publisher = {American Society of Civil Engineering},
   year = {1988},
   editor = {J. L. Von Thun},
@@ -226,7 +226,7 @@
 @ARTICLE{AkLa70,
   author = {K. Aki and K. L. Larner},
   title = {Surface motion of a layered medium having an irregular interface,
-      due to incident plane {{\it SH}} waves},
+	due to incident plane {{\it SH}} waves},
   journal = jgr,
   year = {1970},
   volume = {75},
@@ -241,25 +241,26 @@
   address = {San Francisco, USA}
 }
 
- at ARTICLE{AkBiBiEpFeGhKiLoOhTuUr03,
+ at INPROCEEDINGS{AkBiBiEpFeGhKiLoOhTuUr03,
   author = {Volkan Ak{\c c}elik and Jacobo Bielak and George Biros and Ioannis
-      Epanomeritakis and Antonio Fernandez and Omar Ghattas and Eui Joong
-      Kim and Julio Lopez and David O'Hallaron and Tiankai Tu and John
-      Urbanic},
+	Epanomeritakis and Antonio Fernandez and Omar Ghattas and Eui Joong
+	Kim and Julio Lopez and David O'Hallaron and Tiankai Tu and John
+	Urbanic},
   title = {High-resolution forward and inverse earthquake modeling on terascale
-      computers},
-  journal = {Proceedings of the ACM/IEEE Supercomputing SC'2003 conference},
+	computers},
+  booktitle = {SC'03: Proceedings of the 2003 ACM/IEEE conference on Supercomputing},
   year = {2003},
   pages = {52-72},
-  note = {{G}ordon {B}ell {P}rize winner article},
   address = {Phoenix, Arizona, USA},
-  doi = {10.1145/1048935.1050202}
+  note = {{G}ordon {B}ell {P}rize winner article},
+  doi = {10.1145/1048935.1050202},
+  journal = {Proceedings of the ACM/IEEE Supercomputing SC'2003 conference}
 }
 
 @ARTICLE{AlWo08,
   author = {David Al-Attar and John H. Woodhouse},
   title = {Calculation of seismic displacement fields in self-gravitating earth
-      models: applications of minors vectors and symplectic structure},
+	models: applications of minors vectors and symplectic structure},
   journal = gji,
   year = {2008},
   volume = {175},
@@ -279,9 +280,9 @@
 
 @ARTICLE{AlZeLaBeBeSeKoJu94,
   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},
+	M. Berz and B. Sermage and D. Komatitsch and M. Juhel},
   title = {Quasi-planar {G}allium {A}rsenide heterojunction bipolar transistor
-      device entirely grown by {C}hemical {B}eam {E}pitaxy},
+	device entirely grown by {C}hemical {B}eam {E}pitaxy},
   journal = {J. Crystal Growth},
   year = {1994},
   volume = {136},
@@ -311,7 +312,7 @@
 @ARTICLE{AlsLot81,
   author = {V. I. Alshits and J. Lothe},
   title = {Comments on the relation between surface wave theory and the theory
-      of reflection},
+	of reflection},
   journal = {Wave Motion},
   year = {1981},
   volume = {3},
@@ -321,7 +322,7 @@
 @ARTICLE{AlsLot79a,
   author = {V. I. Alshits and J. Lothe},
   title = {Elastic waves in triclinic crystals: ({I}) {G}eneral theory and the
-      degeneracy problem},
+	degeneracy problem},
   journal = {Soviet Physics Crystallography},
   year = {1979},
   volume = {24},
@@ -331,7 +332,7 @@
 @ARTICLE{AlsLot79b,
   author = {V. I. Alshits and J. Lothe},
   title = {Elastic waves in triclinic crystals: ({II}) {T}opology of polarization
-      fields and some general theorems},
+	fields and some general theorems},
   journal = {Soviet Physics Crystallography},
   year = {1979},
   volume = {24},
@@ -341,7 +342,7 @@
 @ARTICLE{AlsLot79c,
   author = {V. I. Alshits and J. Lothe},
   title = {Elastic waves in triclinic crystals: ({III}) {T}he problem of existence
-      and some general properties of exceptional surface waves},
+	and some general properties of exceptional surface waves},
   journal = {Soviet Physics Crystallography},
   year = {1979},
   volume = {24},
@@ -369,7 +370,7 @@
 
 @ARTICLE{AlsLyuNauPerShu85,
   author = {V. I. Alshits and V. N. Lyubimov and N. F. Naumenko and N. V. Perelomova
-      and A. L. Shuvalov},
+	and A. L. Shuvalov},
   title = {Exceptional elastic body waves in crystals of various symmetries},
   journal = {Soviet Physics Crystallography},
   year = {1985},
@@ -380,27 +381,17 @@
 @ARTICLE{AlKa68,
   author = {Z. Alterman and F. C. Karal},
   title = {Propagation of elastic waves in layered media by finite difference
-      methods},
+	methods},
   journal = bssa,
   year = {1968},
   volume = {58},
   pages = {367-398}
 }
 
- at ARTICLE{amaradjelloulifarhat2006,
-  author = {M. Amara and R. Djellouli and C. Farhat},
-  title = {Convergence analysis of a discontinuous {G}alerkin method with plane
-      waves and {L}agrange multipliers for the solution of {H}elmholtz
-      problems},
-  journal = {SIAM Journal on Numerical Analysis},
-  year = {2006},
-  note = {Submitted}
-}
-
 @ARTICLE{AmWi94,
   author = {K. Amaratunga and J. R. Williams},
   title = {Wavelet-{G}alerkin solutions for one-dimensional partial differential
-      equations},
+	equations},
   journal = ijnme,
   year = {1994},
   volume = {37},
@@ -410,7 +401,7 @@
 @ARTICLE{AmDuKoEx01,
   author = {P. R. Amestoy and I. S. Duff and J. Koster and J.-Y. L'Excellent},
   title = {A Fully Asynchronous Multifrontal Solver Using Distributed Dynamic
-      Scheduling},
+	Scheduling},
   journal = {SIAM Journal on Matrix Analysis and Applications},
   year = {2001},
   volume = {23},
@@ -420,8 +411,8 @@
 
 @ARTICLE{AmmonJiThio2005,
   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},
+	and V. Hjorleifsdottir and H. Kanamori and T. Lay and S. Das and
+	D. Helmberger and G. Ichinose and J. Polet and D. Wald},
   title = {Rupture process of the 2004 {S}umatra-{A}ndaman earthquake},
   journal = {Science},
   year = {2005},
@@ -433,7 +424,7 @@
 @PHDTHESIS{Amp02,
   author = {Jean-Paul Ampuero},
   title = {\'Etude physique et num\'erique de la nucl\'eation des s\'eismes
-      ({A} physical and numerical study of earthquake nucleation)},
+	({A} physical and numerical study of earthquake nucleation)},
   school = {Institut de Physique du Globe},
   year = {2002},
   address = {Paris, France}
@@ -442,7 +433,7 @@
 @ARTICLE{anderson1987,
   author = {D. L. Anderson},
   title = {A seismic equation of state, {P}art~{II}: {S}hear properties and
-      thermodynamics of the lower mantle},
+	thermodynamics of the lower mantle},
   journal = pepi,
   year = {1987},
   volume = {45},
@@ -452,7 +443,7 @@
 @ARTICLE{anderson_lorenz_travesset_2008,
   author = {Joshua A. Anderson and Chris D. Lorenz and Alex Travesset},
   title = {General purpose molecular dynamics simulations fully implemented
-      on graphics processing units},
+	on graphics processing units},
   journal = jcp,
   year = {2008},
   volume = {227},
@@ -474,7 +465,7 @@
 @ARTICLE{AnBa204,
   author = {X. Antoine and H. Barucq},
   title = {Approximation by generalized impedance boundary conditions of a transmission
-      problem in acoustic scattering},
+	problem in acoustic scattering},
   journal = {Math. Model. Numer. Anal.},
   year = {2005},
   volume = {39},
@@ -485,7 +476,7 @@
 @INPROCEEDINGS{AnBa104,
   author = {X. Antoine and H. Barucq},
   title = {On the construction of approximate boundary conditions for solving
-      the interior problem of the acoustic scattering transmission problem},
+	the interior problem of the acoustic scattering transmission problem},
   booktitle = {Methods in Science and Engineering},
   year = {2004},
   volume = {40},
@@ -496,8 +487,8 @@
 @ARTICLE{AnBa01,
   author = {X. Antoine and H. Barucq},
   title = {Microlocal diagonalization of strictly hyperbolic pseudodifferential
-      systems and application to the design of radiation conditions in
-      electromagnetism},
+	systems and application to the design of radiation conditions in
+	electromagnetism},
   journal = {SIAM J. Appl. Math.},
   year = {2001},
   volume = {6},
@@ -507,7 +498,7 @@
 @ARTICLE{AnBaBe99,
   author = {X. Antoine and H. Barucq and A. Bendali},
   title = {Bayliss-{T}urkel-like radiation conditions on surfaces of arbitrary
-      shape},
+	shape},
   journal = {J. Math. Anal. Appl.},
   year = {1999},
   volume = {229},
@@ -517,7 +508,7 @@
 @ARTICLE{AnBaVe01,
   author = {X. Antoine and H. Barucq and L. Vernhet},
   title = {High-frequency asymptotic analysis of a dissipative transmission
-      problem resulting in generalized impedance boundary conditions},
+	problem resulting in generalized impedance boundary conditions},
   journal = {Asymptotic Analysis},
   year = {2001},
   volume = {3},
@@ -528,7 +519,7 @@
 @ARTICLE{AnBeDa04,
   author = {X. Antoine and A. Bendali and M. Darbas},
   title = {Analytic Preconditioners for the boundary integral solution of the
-      scattering of acoustic waves by open surfaces},
+	scattering of acoustic waves by open surfaces},
   journal = jca,
   year = {2005},
   volume = {13},
@@ -539,7 +530,7 @@
 @ARTICLE{AnLaDrRo96,
   author = {M. Antolik and S. Larsen and D. Dreger and B. Romanowicz},
   title = {Modeling broadband waveforms in central {C}alifornia using finite
-      differences},
+	differences},
   journal = {Seis. Res. Lett.},
   year = {1996},
   volume = {67},
@@ -549,7 +540,7 @@
 @ARTICLE{antonionietal2002,
   author = {A. Antonioli and M. Cocco and S. Das and C. Henry},
   title = {Dynamic stress triggering during the great 25~{M}arch 1998 {A}ntarctic
-      {P}late earthquake},
+	{P}late earthquake},
   journal = bssa,
   year = {2002},
   volume = {92},
@@ -559,7 +550,7 @@
 @ARTICLE{AoDo06,
   author = {H. Aochi and J. Douglas},
   title = {Testing the validity of simulated strong ground motion from the dynamic
-      rupture of a finite fault by using empirical equations},
+	rupture of a finite fault by using empirical equations},
   journal = {Bull. Earthq. Eng.},
   year = {2006},
   volume = {4},
@@ -591,7 +582,7 @@
 @ARTICLE{GoKo02,
   author = {D. Apprato and C. Gout and D. Komatitsch},
   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},
+	with application to ship track data in the {M}arianas trench},
   journal = {Math. Geol.},
   year = {2002},
   volume = {34},
@@ -651,7 +642,7 @@
 @INCOLLECTION{AuChMoMo85,
   author = {D. Aubry and D. Chouvet and H. Modaressi and P. Mouroux},
   title = {Local amplification of a seismic incident field through an elastoplastic
-      sedimentary valley},
+	sedimentary valley},
   booktitle = {Numerical methods in geomechanics},
   publisher = {Balkema},
   year = {1985},
@@ -662,7 +653,7 @@
 @ARTICLE{AuHoVaCe11,
   author = {Aubry, R. and Houzeaux, G. and V\'azquez, M. and Cela, J. M.},
   title = {Some useful strategies for unstructured edge-based solvers on shared
-      memory machines},
+	memory machines},
   journal = ijnme,
   year = {2011},
   volume = {85},
@@ -673,9 +664,9 @@
 
 @INPROCEEDINGS{AuThNaWa09Europar,
   author = {C{\'e}dric Augonnet and Samuel Thibault and Raymond Namyst and Pierre-Andr{\'e}
-      Wacrenier},
+	Wacrenier},
   title = {{StarPU}: {A} Unified Platform for Task Scheduling on Heterogeneous
-      Multicore Architectures},
+	Multicore Architectures},
   booktitle = {Proceedings of the 15th EuroPar Conference},
   year = {2009},
   volume = {5704},
@@ -710,7 +701,7 @@
 @ARTICLE{AuzaZiol,
   author = {F. Auzanneau and R. W. Ziolkowski},
   title = {{{\'E}}tude th\'eorique de mat\'eriaux bianisotropes synth\'etiques
-      contr\^olables},
+	contr\^olables},
   journal = {J. Phys. III},
   year = {1997},
   volume = {7},
@@ -738,7 +729,7 @@
 @ARTICLE{BeFaJo03,
   author = {E. B\'ecache and S. Fauqueux and P. Joly},
   title = {Stability of {P}erfectly {M}atched {L}ayers, group velocities and
-      anisotropic waves},
+	anisotropic waves},
   journal = jcp,
   year = {2003},
   volume = {188},
@@ -749,7 +740,7 @@
 @ARTICLE{BeJo02,
   author = {E. B\'ecache and P. Joly},
   title = {On the analysis of {B}\'erenger's perfectly matched layers for {M}axwell's
-      equations},
+	equations},
   journal = {Mathematical Modelling and Numerical Analysis},
   year = {2002},
   volume = {36},
@@ -760,7 +751,7 @@
 @ARTICLE{BeJoTs2001,
   author = {E. B\'ecache and P. Joly and C. Tsogka},
   title = {Fictitious Domains, Mixed Finite Elements and {P}erfectly {M}atched
-      {L}ayers for {2-D} Elastic Wave Propagation},
+	{L}ayers for {2-D} Elastic Wave Propagation},
   journal = jca,
   year = {2001},
   volume = {9},
@@ -782,7 +773,7 @@
 @ARTICLE{Ber02a,
   author = {J. P. B\'erenger},
   title = {Application of the {CFS} {PML} to the absorption of evanescent waves
-      in waveguides},
+	in waveguides},
   journal = {IEEE Microwave and Wireless Components Letters},
   year = {2002},
   volume = {12},
@@ -794,7 +785,7 @@
 @ARTICLE{Ber02b,
   author = {J. P. B\'erenger},
   title = {Numerical reflection from {FDTD-PML}s: A comparison of the split
-      {PML} with the unsplit and {CFS PML}s},
+	{PML} with the unsplit and {CFS PML}s},
   journal = {IEEE Transactions on Antennas and Propagation},
   year = {2002},
   volume = {50},
@@ -806,7 +797,7 @@
 @ARTICLE{Ber96,
   author = {J. P. B\'erenger},
   title = {Three-dimensional {P}erfectly {M}atched {L}ayer for the absorption
-      of electromagnetic waves},
+	of electromagnetic waves},
   journal = jcp,
   year = {1996},
   volume = {127},
@@ -816,7 +807,7 @@
 @ARTICLE{Ber94,
   author = {J. P. B\'erenger},
   title = {A {P}erfectly {M}atched {L}ayer for the absorption of electromagnetic
-      waves},
+	waves},
   journal = jcp,
   year = {1994},
   volume = {114},
@@ -826,7 +817,7 @@
 @ARTICLE{BaDo81,
   author = {I. Babu\u{s}ka and M. R. Dorr},
   title = {Error estimates for the combined $h$ and $p$ version of the finite
-      element method},
+	element method},
   journal = {Numer. Math.},
   year = {1981},
   volume = {37},
@@ -845,7 +836,7 @@
 @ARTICLE{babuska1995,
   author = {I. Babuska and F. Ihlenburg and E. T. Paik and S. A. Sauter},
   title = {A generalized finite element method for solving the {H}elmholtz equation
-      in two dimensions with minimal pollution},
+	in two dimensions with minimal pollution},
   journal = cmame,
   year = {1995},
   volume = {128},
@@ -856,7 +847,7 @@
 @ARTICLE{Bac76,
   author = {G. A. Backer},
   title = {Error estimates for the finite element method for second order hyperbolic
-      equations},
+	equations},
   journal = {SIAM Journal on Numerical Analysis},
   year = {1976},
   volume = {13},
@@ -874,11 +865,11 @@
 
 @INPROCEEDINGS{BaRoLiHiSiTaPaGo08,
   author = {Balevic, A. and Rockstroh, L. and Li, W. and Hillebrand, J. and Simon,
-      S. and Tausendfreund, A. and Patzelt, S. and Goch, G.},
+	S. and Tausendfreund, A. and Patzelt, S. and Goch, G.},
   title = {Acceleration of a finite-difference method with general purpose {GPU}s:
-      {L}esson learned},
+	{L}esson learned},
   booktitle = {Proceedings of the 8th IEEE International Conference on Computer
-      and Information Technology},
+	and Information Technology},
   year = {2008},
   pages = {291-294},
   address = {Sydney, Australia},
@@ -888,11 +879,11 @@
 
 @INPROCEEDINGS{BaRoTaPaGoSi08,
   author = {A. Balevic and L. Rockstroh and A. Tausendfreund and S. Patzelt and
-      G. Goch and S. Simon},
+	G. Goch and S. Simon},
   title = {Accelerating Simulations of Light Scattering Based on a Finite-Difference
-      Time-Domain Method with General Purpose {GPU}s},
+	Time-Domain Method with General Purpose {GPU}s},
   booktitle = {Proceedings of the 11th IEEE International Conference on Computational
-      Science and Engineering},
+	Science and Engineering},
   year = {2008},
   pages = {327-334},
   address = {Sao Paulo, Brazil},
@@ -902,7 +893,7 @@
 @ARTICLE{BaEnHaJo88,
   author = {A. Bamberger and B. Engquist and L. Halpern and P. Joly},
   title = {Higher order paraxial wave equation approximations in heterogeneous
-      media},
+	media},
   journal = {SIAM J. Appl. Math.},
   year = {1988},
   volume = {48},
@@ -912,7 +903,7 @@
 @ARTICLE{BaJoRo90,
   author = {A. Bamberger and P. Joly and J. E. Roberts},
   title = {Second order absorbing boundary conditions for the wave equation:
-      a solution for the corner problem},
+	a solution for the corner problem},
   journal = {SIAM Journal on Numerical Analysis},
   year = {1990},
   volume = {27},
@@ -921,9 +912,9 @@
 
 @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},
+	O'Hallaron and J. R. Shewchuk and J. Xu},
   title = {Large-scale simulation of elastic wave propagation in heterogeneous
-      media on parallel computers},
+	media on parallel computers},
   journal = cmame,
   year = {1998},
   volume = {152},
@@ -951,7 +942,7 @@
 @ARTICLE{BaBo80a,
   author = {Pierre-Yves Bard and Michel Bouchon},
   title = {The seismic response of sediment-filled valleys, {P}art 1: The case
-      of incident {SH} waves},
+	of incident {SH} waves},
   journal = bssa,
   year = {1980},
   volume = {70},
@@ -961,7 +952,7 @@
 @ARTICLE{BaBo80b,
   author = {Pierre-Yves Bard and Michel Bouchon},
   title = {The seismic response of sediment-filled valleys, {P}art 2: The case
-      of incident {P} and {SV} waves},
+	of incident {P} and {SV} waves},
   journal = bssa,
   year = {1980},
   volume = {70},
@@ -980,7 +971,7 @@
 @ARTICLE{Bar00,
   author = {D. M. Barnett},
   title = {Bulk, surface, and interfacial waves in anisotropic linear elastic
-      solids},
+	solids},
   journal = {International Journal of Solids and Structures},
   year = {2000},
   volume = {37},
@@ -990,7 +981,7 @@
 @ARTICLE{Bar92,
   author = {D. M. Barnett},
   title = {On the non-existence of subsonic boundary-polarized two-component
-      free surface waves},
+	free surface waves},
   journal = {Physica Scripta},
   year = {1992},
   volume = {T44},
@@ -1000,7 +991,7 @@
 @INCOLLECTION{BarCha91,
   author = {D. M. Barnett and P. Chadwick},
   title = {The existence of one-component surface waves and exceptional transonic
-      states of types 2, 4 and {E}1 in anisotropic elastic media},
+	states of types 2, 4 and {E}1 in anisotropic elastic media},
   booktitle = {Modern Theory of Anisotropic Elasticity and Applications},
   publisher = {SIAM},
   year = {1991},
@@ -1012,7 +1003,7 @@
 @ARTICLE{BarChaLot91,
   author = {D. M. Barnett and P. Chadwick and J. Lothe},
   title = {The behaviour of elastic surface waves polarized in a plane of material
-      symmetry. {I}. {A}ddendum},
+	symmetry. {I}. {A}ddendum},
   journal = {Proceedings of the Royal Society of London, United Kingdom},
   year = {1991},
   volume = {A433},
@@ -1022,7 +1013,7 @@
 @ARTICLE{BarGavLot88,
   author = {D. M. Barnett and S. D. Gavazza and J. Lothe},
   title = {Slip waves along the interface between two anisotropic elastic half-spaces
-      in sliding contact},
+	in sliding contact},
   journal = {Proceedings of the Royal Society of London, United Kingdom},
   year = {1988},
   volume = {A415},
@@ -1032,7 +1023,7 @@
 @ARTICLE{BarLot85,
   author = {D. M. Barnett and J. Lothe},
   title = {Free surface ({R}ayleigh) waves in anisotropic elastic halfspaces:
-      the surface impedance method},
+	the surface impedance method},
   journal = {Proceedings of the Royal Society of London, United Kingdom},
   year = {1985},
   volume = {A402},
@@ -1042,7 +1033,7 @@
 @ARTICLE{BarLot74,
   author = {D. M. Barnett and J. Lothe},
   title = {Consideration of the existence of surface wave ({R}ayleigh wave)
-      solutions in anisotropic elastic crystals},
+	solutions in anisotropic elastic crystals},
   journal = {Journal of Physics F: Metal Physics},
   year = {1974},
   volume = {4},
@@ -1052,7 +1043,7 @@
 @ARTICLE{BarLot73,
   author = {D. M. Barnett and J. Lothe},
   title = {Synthesis of the {S}extic and the {I}ntegral {F}ormalism for dislocations,
-      {G}reens functions, and surface waves in anisotropic elastic solids},
+	{G}reens functions, and surface waves in anisotropic elastic solids},
   journal = {Physica Norvegica},
   year = {1973},
   volume = {7},
@@ -1062,7 +1053,7 @@
 @ARTICLE{BarLotNisAsa73,
   author = {D. M. Barnett and J. Lothe and K. Nishioka and R. J. Asaro},
   title = {Elastic surface waves in anisotropic crystals: a simplified method
-      for calculating {R}ayleigh velocities using dislocation theory},
+	for calculating {R}ayleigh velocities using dislocation theory},
   journal = {Journal of Physics F: Metal Physics},
   year = {1973},
   volume = {3},
@@ -1071,11 +1062,11 @@
 
 @INPROCEEDINGS{BaSaFiRo05,
   author = {Baron, G. S. and Sarris, C. D. and Fiume, E. and Rogers Sr., Edward
-      S.},
+	S.},
   title = {Fast and accurate time-domain simulations with commodity graphics
-      hardware},
+	hardware},
   booktitle = {Proceedings of the 2005 IEEE Antennas and Propagation Society International
-      Symposium},
+	Symposium},
   year = {2005},
   volume = {4A},
   pages = {193-196},
@@ -1087,12 +1078,12 @@
 @INPROCEEDINGS{Ba03,
   author = {H. Barucq},
   title = {A family of first-order conditions for the long-time stability of
-      the {M}axwell system},
+	the {M}axwell system},
   booktitle = {Mathematical and Numerical Aspects of Wave Propagation: Waves 2003},
   year = {2003},
   editor = {Gary Cohen and Erkki Heikkola and Patrick Joly and Pekka Neittaanm\"aki},
   series = {Proceedings of the Sixth International Conference on Mathematical
-      and Numerical Aspects of Wave Propagation},
+	and Numerical Aspects of Wave Propagation},
   address = {Jyv\"askyl\"a, Finland},
   publisher = {Springer-Verlag}
 }
@@ -1100,7 +1091,7 @@
 @ARTICLE{Bar02,
   author = {H. Barucq},
   title = {A new family of first-order boundary conditions for the {M}axwell
-      system: derivation, well-posedness and long-time behavior},
+	system: derivation, well-posedness and long-time behavior},
   journal = {J. Math. Pures Appl.},
   year = {2002},
   volume = {82},
@@ -1110,7 +1101,7 @@
 @ARTICLE{BaBeDj04,
   author = {H. Barucq and C. Bekkey and R. Djellouli},
   title = {Construction of local boundary conditions for an eigenvalue problem
-      using micro-local analysis. Application to optical waveguide problem},
+	using micro-local analysis. Application to optical waveguide problem},
   journal = {J. Comp. Phys.},
   year = {2004},
   volume = {193},
@@ -1128,18 +1119,10 @@
   pages = {1113-1129}
 }
 
- at ARTICLE{b0.4,
-  author = {H. Barucq and M. Fontes},
-  title = {Analysis of the three-dimensional {M}axwell system coupled with strongly
-      absorbing layers},
-  journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
-  year = {2006}
-}
-
 @ARTICLE{BaHa97,
   author = {H. Barucq and B. Hanouzet},
   title = {Asymptotic Behavior of solutions to {M}axwell's system with absorbing
-      {S}ilver-{M}uller condition on the exterior boundary},
+	{S}ilver-{M}uller condition on the exterior boundary},
   journal = {Asympt. Anal.},
   year = {1997},
   volume = {15},
@@ -1159,7 +1142,7 @@
 @ARTICLE{BarucqMadauneSaintMacary12005,
   author = {H. Barucq and M. Madaune-Tort and P. Saint-Macary},
   title = {Some existence-uniqueness results for a class of one-dimensional
-      nonlinear {B}iot models},
+	nonlinear {B}iot models},
   journal = {Nonlinear Analysis: Theory, Methods and Applications},
   year = {2005},
   volume = {61},
@@ -1180,7 +1163,7 @@
 @ARTICLE{BaLaMa00,
   author = {C. Bassin and G. Laske and G. Masters},
   title = {The Current Limits of Resolution for Surface Wave Tomography in {N}orth
-      {A}merica},
+	{A}merica},
   journal = {EOS},
   year = {2000},
   volume = {81},
@@ -1190,7 +1173,7 @@
 @ARTICLE{Bas09,
   author = {Ushnish Basu},
   title = {Explicit finite-element perfectly matched layer for transient three-dimensional
-      elastic waves},
+	elastic waves},
   journal = ijnme,
   year = {2009},
   volume = {77},
@@ -1201,7 +1184,7 @@
 @ARTICLE{BaCh04,
   author = {U. Basu and A. K. Chopra},
   title = {Perfectly matched layers for transient elastodynamics of unbounded
-      domains},
+	domains},
   journal = ijnme,
   year = {2004},
   volume = {59},
@@ -1211,7 +1194,7 @@
 @ARTICLE{BaCh03,
   author = {U. Basu and A. K. Chopra},
   title = {Perfectly matched layers for time-harmonic elastodynamics of unbounded
-      domains: theory and finite-element implementation},
+	domains: theory and finite-element implementation},
   journal = cmame,
   year = {2003},
   volume = {192},
@@ -1227,10 +1210,28 @@
   pages = {9999998-9999999}
 }
 
+ at INPROCEEDINGS{BaKoMaTsCaMaNa11,
+  author = {Leonardo Arturo Bautista-Gomez and Dimitri Komatitsch and Naoya Maruyama
+	and Seiji Tsuboi and Franck Cappello and Satoshi Matsuoka and Takeshi
+	Nakamura},
+  title = {{FTI}: high performance {F}ault {T}olerance {I}nterface for hybrid
+	systems},
+  booktitle = {SC'11: Proceedings of the 2011 ACM/IEEE conference on Supercomputing},
+  year = {2011},
+  pages = {32:1-32:12},
+  address = {New York, USA},
+  month = nov,
+  publisher = {ACM},
+  note = {Article \#32.},
+  articleno = {32},
+  doi = {10.1145/2063384.2063427},
+  location = {Seattle, Washington, USA}
+}
+
 @ARTICLE{BaJoLeTu86,
   author = {A. Bayliss and K. E. Jordan and B. J. Lemesurier and E. Turkel},
   title = {A fourth-order accurate finite-difference scheme for the computation
-      of elastic waves},
+	of elastic waves},
   journal = bssa,
   year = {1986},
   volume = {76},
@@ -1269,7 +1270,7 @@
 @INPROCEEDINGS{Bell:2009:ISM,
   author = {Nathan Bell and Michael Garland},
   title = {Implementing sparse matrix-vector multiplication on throughput-oriented
-      processors},
+	processors},
   booktitle = {SC'09: Proceedings of the 2009 ACM/IEEE conference on Supercomputing},
   year = {2009},
   pages = {1--11},
@@ -1311,7 +1312,7 @@
 @ARTICLE{BeOl05,
   author = {Rafael Benites and Kim B. Olsen},
   title = {Modeling Strong Ground Motion in the {W}ellington Metropolitan Area,
-      {N}ew {Z}ealand},
+	{N}ew {Z}ealand},
   journal = bssa,
   year = {2005},
   volume = {95},
@@ -1322,7 +1323,7 @@
 
 @ARTICLE{BeGlCrVi09,
   author = {M. Benjemaa and Glinsky-Olivier, N. and Cruz-Atienza, V. M. and Virieux,
-      J.},
+	J.},
   title = {3{D} dynamic rupture simulation by a finite volume method},
   journal = gji,
   year = {2009},
@@ -1334,7 +1335,7 @@
 
 @ARTICLE{BeGlCrViPi07,
   author = {Benjemaa, M. and Glinsky-Olivier, N. and Cruz-Atienza, V. M. and
-      Virieux, J. and Piperno, S.},
+	Virieux, J. and Piperno, S.},
   title = {{D}ynamic non-planar crack rupture by a finite volume method},
   journal = gji,
   year = {2007},
@@ -1348,7 +1349,7 @@
   author = {P. Berg and F. If and P. Nielsen and O. Skovegaard},
   title = {Analytic reference solutions},
   booktitle = {Modeling the Earth for oil exploration, Final report of the CEC's
-      GEOSCIENCE~I Program 1990-1993},
+	GEOSCIENCE~I Program 1990-1993},
   publisher = {Pergamon Press, Oxford, United Kingdom},
   year = {1994},
   editor = {K. Helbig},
@@ -1358,9 +1359,9 @@
 @INCOLLECTION{BeBrSy82,
   author = {Ph. Berger and P. Brouaye and J. C. Syre},
   title = {A mesh coloring method for efficient {MIMD} processing in finite
-      element problems},
+	element problems},
   booktitle = {Proceedings of the International Conference on Parallel Processing,
-      ICPP'82, August 24-27, 1982, Bellaire, Michigan, USA},
+	ICPP'82, August 24-27, 1982, Bellaire, Michigan, USA},
   publisher = {IEEE Computer Society},
   year = {1982},
   pages = {41-46}
@@ -1368,9 +1369,9 @@
 
 @INPROCEEDINGS{BeHePrRo06b,
   author = {Alfredo Berm\'udez and Luis Hervella-Nieto and Andr\'es Prieto and
-      Rodolfo Rodr\'{\i}guez},
+	Rodolfo Rodr\'{\i}guez},
   title = {An optimal finite-element/{PML} method for the simulation of acoustic
-      wave propagation phenomena},
+	wave propagation phenomena},
   booktitle = {Variational Formulations in Mechanics: Theory and Applications},
   year = {2006},
   editor = {E. Taroco and E. A. de Souza Neto and A. A. Novotny},
@@ -1380,9 +1381,9 @@
 
 @ARTICLE{BeHePrRo06,
   author = {Alfredo Berm\'udez and Luis Hervella-Nieto and Andr\'es Prieto and
-      Rodolfo Rodr\'{\i}guez},
+	Rodolfo Rodr\'{\i}guez},
   title = {An optimal perfectly matched layer with unbounded absorbing function
-      for time-harmonic acoustic scattering problems},
+	for time-harmonic acoustic scattering problems},
   journal = jcp,
   year = {2007},
   volume = {223},
@@ -1403,7 +1404,7 @@
 @ARTICLE{BeRo94,
   author = {A. Berm\'udez and R. {Rodr\'\i guez}},
   title = {Finite-element computation of the vibration modes of a fluid-solid
-      system},
+	system},
   journal = cmame,
   year = {1994},
   volume = {119},
@@ -1413,8 +1414,8 @@
 @ARTICLE{BeLaPi06,
   author = {Marc Bernacki and St\'ephane Lanteri and Serge Piperno},
   title = {Time-Domain Parallel Simulation Of Heterogeneous Wave Propagation
-      On Unstructured Grids Using Explicit, Nondiffusive, Discontinuous
-      {G}alerkin Methods},
+	On Unstructured Grids Using Explicit, Nondiffusive, Discontinuous
+	{G}alerkin Methods},
   journal = jca,
   year = {2006},
   volume = {14},
@@ -1442,7 +1443,7 @@
 @INPROCEEDINGS{BeMaPa94,
   author = {C. Bernardi and Y. Maday and A. T. Patera},
   title = {A new nonconforming approach to domain decomposition: the {M}ortar
-      element method},
+	element method},
   booktitle = {Nonlinear partial differential equations and their applications},
   year = {1994},
   editor = {H. Brezis and J. L. Lions},
@@ -1455,7 +1456,7 @@
 @ARTICLE{BesDes98a,
   author = {C. Bescond and M. Deschamps},
   title = {Dynamical surface response of a semi-infinite anisotropic elastic
-      medium to an impulsive force},
+	medium to an impulsive force},
   journal = jasa,
   year = {1998},
   volume = {103},
@@ -1466,7 +1467,7 @@
 @ARTICLE{BesDes98b,
   author = {C. Bescond and M. Deschamps},
   title = {Erratum to `{D}ynamical surface response of a semi-infinite anisotropic
-      elastic medium to an impulsive force'},
+	elastic medium to an impulsive force'},
   journal = jasa,
   year = {1998},
   volume = {104},
@@ -1477,7 +1478,7 @@
 @ARTICLE{BiCh84,
   author = {J. Bielak and P. Christiano},
   title = {On the effective seismic input for non-linear soil-structure interaction
-      systems},
+	systems},
   journal = {Earthquake Eng. Struct. Dyn.},
   year = {1984},
   volume = {12},
@@ -1487,7 +1488,7 @@
 @ARTICLE{BiGhKi05,
   author = {J. Bielak and O. Ghattas and E. J. Kim},
   title = {Parallel Octree-Based Finite Element Method for Large-Scale Earthquake
-      Ground Motion Simulation},
+	Ground Motion Simulation},
   journal = cmes,
   year = {2005},
   volume = {10},
@@ -1507,7 +1508,7 @@
 @ARTICLE{Biot56a,
   author = {M. A. Biot},
   title = {Theory of propagation of elastic waves in a fluid-saturated porous
-      solid. {I: L}ow-frequency range},
+	solid. {I: L}ow-frequency range},
   journal = jasa,
   year = {1956},
   volume = {28},
@@ -1517,7 +1518,7 @@
 @ARTICLE{Biot56b,
   author = {M. A. Biot},
   title = {Theory of propagation of elastic waves in a fluid-saturated porous
-      solid. {II: H}igher-frequency range},
+	solid. {II: H}igher-frequency range},
   journal = jasa,
   year = {1956},
   volume = {28},
@@ -1546,7 +1547,7 @@
 @ARTICLE{Bit05,
   author = {M. L. Bittencourt},
   title = {Fully tensorial nodal and modal shape functions for triangles and
-      tetrahedra},
+	tetrahedra},
   journal = ijnme,
   year = {2005},
   volume = {63},
@@ -1558,9 +1559,9 @@
 @MANUAL{Bl94,
   title = {{CUBIT} Mesh Generation Environment Users Manual Vol. 1},
   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},
+	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},
   address = {Albuquerque, NM},
   year = {1994}
@@ -1568,9 +1569,9 @@
 
 @ARTICLE{BlLoKoBa09,
   author = {C\'eline Blitz and Philippe Lognonn\'e and Dimitri Komatitsch and
-      David Baratoux},
+	David Baratoux},
   title = {Effects of ejecta accumulation on the crater population of asteroid
-      433 {E}ros},
+	433 {E}ros},
   journal = jgr,
   year = {2009},
   volume = {114},
@@ -1581,7 +1582,7 @@
 @ARTICLE{BoSaenger06,
   author = {Thomas Bohlen and Erik H. Saenger},
   title = {Accuracy of heterogeneous staggered-grid finite-difference modeling
-      of {R}ayleigh waves},
+	of {R}ayleigh waves},
   journal = geophysics,
   year = {2006},
   volume = {71},
@@ -1614,7 +1615,7 @@
 @ARTICLE{BoVi91,
   author = {O. Bonamassa and J. E. Vidale},
   title = {Directional site resonances observed from aftershocks of the 18 october
-      1989 {L}oma {P}rieta earthquake},
+	1989 {L}oma {P}rieta earthquake},
   journal = bssa,
   year = {1991},
   volume = {81},
@@ -1632,7 +1633,7 @@
 @INCOLLECTION{Boo72a,
   author = {D. M. Boore},
   title = {Finite difference methods for seismic wave propagation in heterogeneous
-      materials},
+	materials},
   booktitle = {Methods in Computational Physics},
   publisher = {Academic Press},
   year = {1972},
@@ -1670,7 +1671,7 @@
 @ARTICLE{Bos91,
   author = {L. Bos},
   title = {On certain configurations of points in {{\rm I\kern -0.18 em R}$^n$}
-      which are unisolvent for polynomial interpolation},
+	which are unisolvent for polynomial interpolation},
   journal = {J. Approx. Theory},
   year = {1991},
   volume = {64},
@@ -1680,7 +1681,7 @@
 @ARTICLE{BoTaWi01,
   author = {L. P. Bos and M. A. Taylor and B. A. Wingate},
   title = {Tensor Product {G}auss-{L}obatto Points are {F}ekete Points for the
-      Cube},
+	Cube},
   journal = {Math. Comp.},
   year = {2001},
   volume = {70},
@@ -1690,7 +1691,7 @@
 @ARTICLE{BoGriMia,
   author = {A. Bossavit and G. Griso and B. Miara},
   title = {Modelling of periodic electromagnetic structures bianosotropic materials
-      with memory effects},
+	with memory effects},
   journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
   year = {2005},
   volume = {84},
@@ -1719,7 +1720,7 @@
 @ARTICLE{BoRoSh01,
   author = {M. G. Bostock and S. Rondenay and J. Shragge},
   title = {Multiparameter two-dimensional inversion of scattered teleseismic
-      body waves - 1. {T}heory for oblique incidence},
+	body waves - 1. {T}heory for oblique incidence},
   journal = jgr,
   year = {2001},
   volume = {106},
@@ -1729,8 +1730,8 @@
 @ARTICLE{Bou96,
   author = {M. Bouchon},
   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},
+	and boundary element methods: a review with applications to the simulation
+	of seismic wave propagation in complex geological structures},
   journal = pageoph,
   year = {1996},
   volume = {148},
@@ -1741,7 +1742,7 @@
 @ARTICLE{Bou85,
   author = {M. Bouchon},
   title = {A simple complete numerical solution of the problem of diffraction
-      of {{\it SH}} waves by an irregular surface},
+	of {{\it SH}} waves by an irregular surface},
   journal = jasa,
   year = {1985},
   volume = {77},
@@ -1751,7 +1752,7 @@
 @ARTICLE{Bou81,
   author = {M. Bouchon},
   title = {A simple method to calculate {G}reen's functions for elastic layered
-      media},
+	media},
   journal = bssa,
   year = {1981},
   volume = {71},
@@ -1761,7 +1762,7 @@
 @ARTICLE{Bou79,
   author = {M. Bouchon},
   title = {Discrete wavenumber representation of elastic wave fields in three
-      space dimensions},
+	space dimensions},
   journal = jgr,
   year = {1979},
   volume = {84},
@@ -1771,7 +1772,7 @@
 @ARTICLE{Bou78,
   author = {M. Bouchon},
   title = {The importance of the surface interface {{\it P}} wave in near-earthquake
-      studies},
+	studies},
   journal = bssa,
   year = {1978},
   volume = {68},
@@ -1809,8 +1810,8 @@
 @ARTICLE{BoCaGa89,
   author = {M. Bouchon and M. Campillo and S. Gaffet},
   title = {A boundary integral equation-discrete wavenumber representation method
-      to study wave propagation in multilayered media having irregular
-      interfaces},
+	to study wave propagation in multilayered media having irregular
+	interfaces},
   journal = geophysics,
   year = {1989},
   volume = {54},
@@ -1839,7 +1840,7 @@
 @ARTICLE{BoScTo95,
   author = {M. Bouchon and C. A. Schultz and M. Nafi T\"oksoz},
   title = {A fast implementation of boundary integral equation methods to calculate
-      the propagation of seismic waves in laterally varying layered media},
+	the propagation of seismic waves in laterally varying layered media},
   journal = bssa,
   year = {1995},
   volume = {85},
@@ -1849,7 +1850,7 @@
 @PHDTHESIS{ab,
   author = {A. Bouhamidi},
   title = {Interpolation et approximation par des fonctions splines radiales
-      \`a plusieurs variables},
+	\`a plusieurs variables},
   school = {Universit\'e de Nantes},
   year = {1992},
   address = {Nantes, France},
@@ -1867,9 +1868,9 @@
 @ARTICLE{brandvik_pullan_euler_2d,
   author = {Tobias Brandvik and Graham Pullan},
   title = {Acceleration of a two-dimensional {E}uler flow solver using commodity
-      Graphics Hardware},
+	Graphics Hardware},
   journal = {Proceedings of the Institution of Mechanical Engineers, Part C: Journal
-      of Mechanical Engineering Science},
+	of Mechanical Engineering Science},
   year = {2007},
   volume = {221},
   pages = {1745--1748},
@@ -1890,7 +1891,7 @@
 @ARTICLE{Bremmer,
   author = {H. Bremmer},
   title = {The {WKB} approximation as the first term of a geometric-optical
-      series},
+	series},
   journal = {Comm. Pure Appl. Math.},
   year = {1951},
   volume = {9999999},
@@ -1947,9 +1948,9 @@
 @INPROCEEDINGS{Buc06,
   author = {Ian Buck},
   title = {Ge{F}orce 8800 and {NVIDIA CUDA}: A New Architecture for Computing
-      on the {GPU}},
+	on the {GPU}},
   booktitle = {Proceedings of the Supercomputing'06 Workshop on "General-Purpose
-      GPU Computing: Practice And Experience"},
+	GPU Computing: Practice And Experience"},
   year = {2006},
   pages = {1-29},
   url = {www.gpgpu.org/sc2006/workshop/presentations/Buck\_NVIDIA\_Cuda.pdf}
@@ -1957,7 +1958,7 @@
 
 @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},
+	Kayvon Fatahalian and Mike Houston and Pat Hanrahan},
   title = {Brook for {GPUs}: {S}tream computing on graphics hardware},
   journal = {ACM Transactions on Graphics},
   year = {2004},
@@ -2008,7 +2009,7 @@
 @PHDTHESIS{Calvet_thesis,
   author = {M. Calvet},
   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}''},
+	pour l'\'etude de la graine anisotrope et de la couche {D}''},
   school = {Universit\'e Paul Sabatier, Toulouse, France},
   year = {2006}
 }
@@ -2025,7 +2026,7 @@
 @ARTICLE{Calvet06a,
   author = {M. Calvet and S. Chevrot and A. Souriau},
   title = {P wave propagation in transversely isotropic media: {I}. {F}inite-frequency
-      theory},
+	theory},
   journal = pepi,
   year = {2006},
   volume = {156},
@@ -2035,8 +2036,8 @@
 @ARTICLE{Calvet06b,
   author = {M. Calvet and S. Chevrot and A. Souriau},
   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},
+	to inner core anisotropy: {E}ffects of data averaging, parameterization
+	and a priori information},
   journal = pepi,
   year = {2006},
   volume = {156},
@@ -2056,7 +2057,7 @@
 @ARTICLE{Cam87,
   author = {M. Campillo},
   title = {{$L_g$} wave propagation in a laterally varying crust and the distribution
-      of the apparent quality factor in {C}entre {F}rance},
+	of the apparent quality factor in {C}entre {F}rance},
   journal = jgr,
   year = {1987},
   volume = {92},
@@ -2066,7 +2067,7 @@
 @ARTICLE{CaBo85,
   author = {M. Campillo and M. Bouchon},
   title = {Synthetic {{\it SH}} seismograms in laterally varying medium by discrete
-      wavenumber method},
+	wavenumber method},
   journal = gjras,
   year = {1985},
   volume = {83},
@@ -2076,7 +2077,7 @@
 @INCOLLECTION{CaDo99,
   author = {E. J. Cand\`es and D. L. Donoho},
   title = {Curvelets: A Surprisingly Effective Nonadaptive Representation for
-      Objects with Edges, Curves and Surfaces},
+	Objects with Edges, Curves and Surfaces},
   booktitle = {Curve and Surface Fitting},
   publisher = {Vanderbilt University Press},
   year = {1999},
@@ -2113,9 +2114,9 @@
 @PHDTHESIS{Ca00,
   author = {Y. Capdeville},
   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)},
+	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)},
   school = {Universit\'e Paris {\sc VII} Denis Diderot},
   year = {2000},
   address = {Paris, France}
@@ -2124,7 +2125,7 @@
 @ARTICLE{CaChViMo03,
   author = {Y. Capdeville and E. Chaljub and J. P. Vilotte and J. P. Montagner},
   title = {Coupling the spectral element method with a modal solution for elastic
-      wave propagation in global {E}arth models},
+	wave propagation in global {E}arth models},
   journal = gji,
   year = {2003},
   volume = {152},
@@ -2134,7 +2135,7 @@
 @ARTICLE{CaGuRo05,
   author = {Y. Capdeville and Y. Gung and B. Romanowicz},
   title = {Towards global {E}arth tomography using the spectral element method:
-      a technique based on source stacking},
+	a technique based on source stacking},
   journal = gji,
   year = {2005},
   volume = {162},
@@ -2144,7 +2145,7 @@
 @ARTICLE{Caetal00,
   author = {Y. Capdeville and E. Stutzmann and J.P. Montagner},
   title = {Effect of a plume on long-period surface waves computed with normal-mode
-      coupling},
+	coupling},
   journal = pepi,
   year = {2000},
   volume = {119},
@@ -2154,7 +2155,7 @@
 @ARTICLE{CaToRo03,
   author = {Yann Capdeville and A. To and Barbara Romanowicz},
   title = {Coupling spectral elements and modes in a spherical {E}arth: an extension
-      to the `sandwich' case},
+	to the `sandwich' case},
   journal = gji,
   year = {2003},
   volume = {154},
@@ -2163,8 +2164,8 @@
 
 @BOOK{Car07,
   title = {Wave fields in real media: {T}heory and numerical simulation of wave
-      propagation in anisotropic, anelastic, porous and electromagnetic
-      media},
+	propagation in anisotropic, anelastic, porous and electromagnetic
+	media},
   publisher = {Elsevier Science},
   year = {2007},
   author = {Jos\'e M. Carcione},
@@ -2193,7 +2194,7 @@
 @ARTICLE{Carcio96,
   author = {J. M. Carcione},
   title = {Elastodynamic of a non-ideal interface: application to crack and
-      fracture scattering},
+	fracture scattering},
   journal = jgr,
   year = {1996},
   volume = {101},
@@ -2244,7 +2245,7 @@
 @ARTICLE{Car90,
   author = {J. M. Carcione},
   title = {Wave propagation in anisotropic linear viscoelastic media: theory
-      and simulated wavefields},
+	and simulated wavefields},
   journal = gji,
   year = {1990},
   volume = {101},
@@ -2272,7 +2273,7 @@
 @ARTICLE{CaKoBeSe92,
   author = {J. M. Carcione and D. Kosloff and A. Behle and G. Seriani},
   title = {A spectral scheme for wave propagation simulation in 3-{D} elastic-anisotropic
-      media},
+	media},
   journal = geophysics,
   year = {1992},
   volume = {57},
@@ -2283,7 +2284,7 @@
 @ARTICLE{CaKoKo88,
   author = {J. M. Carcione and D. Kosloff and R. Kosloff},
   title = {Wave propagation simulation in an elastic anisotropic (transversely
-      isotropic) solid},
+	isotropic) solid},
   journal = {Q. J. Mech. Appl. Math.},
   year = {1988},
   volume = {41},
@@ -2303,7 +2304,7 @@
 @ARTICLE{CaPoGe04,
   author = {J. M. Carcione and F. Poletto and D. Gei},
   title = {3-{D} wave simulation in anelastic media using the {K}elvin-{V}oigt
-      constitutive equation},
+	constitutive equation},
   journal = jcp,
   year = {2004},
   volume = {196},
@@ -2313,32 +2314,33 @@
 @ARTICLE{CaWa93,
   author = {J. M. Carcione and P. J. Wang},
   title = {A {C}hebyshev Collocation Method for the Wave Equation in Generalized
-      Coordinates},
+	Coordinates},
   journal = {Comp. Fluid Dyn. J.},
   year = {1993},
   volume = {2},
   pages = {269-290}
 }
 
- at ARTICLE{CaKoLaTiMiLeSnTr08,
+ at INPROCEEDINGS{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},
+	Mustafa Tikir and David Mich\'ea and Nicolas {Le Goff} and Allan
+	Snavely and Jeroen Tromp},
   title = {High-frequency simulations of global seismic wave propagation using
-      {SPECFEM3D\_GLOBE} on 62 thousand processor cores},
-  journal = {Proceedings of the ACM/IEEE Supercomputing SC'2008 conference},
+	{SPECFEM3D\_GLOBE} on 62 thousand processor cores},
+  booktitle = {SC'08: Proceedings of the 2008 ACM/IEEE conference on Supercomputing},
   year = {2008},
   pages = {1-11},
   note = {Article \#60, {G}ordon {B}ell {P}rize finalist article},
-  doi = {10.1145/1413370.1413432}
+  doi = {10.1145/1413370.1413432},
+  journal = {Proceedings of the ACM/IEEE Supercomputing SC'2008 conference}
 }
 
 @ARTICLE{CaKiCrWoSpMu90,
   author = {D. L. Carver and K. W. King and E. Cranswick and D. W. Worley and
-      P. Spudich and C. Mueller},
+	P. Spudich and C. Mueller},
   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},
+	{P}rieta, {C}alifornia, earthquake: {S}anta {C}ruz, {L}os {G}atos,
+	and surrounding areas},
   journal = {U.S. Geol. Surv. Open File Rep.},
   year = {1990},
   volume = {90},
@@ -2348,7 +2350,7 @@
 @TECHREPORT{CaGa97,
   author = {F. Casadei and E. Gabellini},
   title = {Implementation of a 3{D} coupled {S}pectral {E}lement solver for
-      wave propagation and soil-structure interaction simulations},
+	wave propagation and soil-structure interaction simulations},
   institution = {European Commission Joint Research Center Report EUR17730EN},
   year = {1997},
   address = {Ispra, Italy}
@@ -2357,7 +2359,7 @@
 @ARTICLE{CaHa09,
   author = {Folco Casadei and Jean-Pierre Halleux},
   title = {Binary spatial partitioning of the central-difference time integration
-      scheme for explicit fast transient dynamics},
+	scheme for explicit fast transient dynamics},
   journal = ijnme,
   year = {2009},
   volume = {78},
@@ -2368,10 +2370,10 @@
 
 @INPROCEEDINGS{CaStLeKoPiTr08,
   author = {E. Casarotti and M. Stupazzini and S. Lee and D. Komatitsch and A.
-      Piersanti and J. Tromp},
+	Piersanti and J. Tromp},
   title = {CUBIT and Seismic Wave Propagation Based Upon the Spectral-Element
-      Method: An Advanced Unstructured Mesher for Complex 3D Geological
-      Media},
+	Method: An Advanced Unstructured Mesher for Complex 3D Geological
+	Media},
   booktitle = {Proceedings of the 16th International Meshing Roundtable},
   year = {2008},
   volume = {5B.4},
@@ -2391,7 +2393,7 @@
 @ARTICLE{CasBer92,
   author = {B. Castagn\`ede and Y. Berthelot},
   title = {Photoacoustic interactions by modulation and laser impact: applications
-      in mechanics and physics of anisotropic solids},
+	in mechanics and physics of anisotropic solids},
   journal = {Journal d'Acoustique},
   year = {1992},
   volume = {5},
@@ -2401,7 +2403,7 @@
 @ARTICLE{CaKaBr10,
   author = {C. E. Castro and M. K\"aser and G. B. Brietzke},
   title = {Seismic waves in heterogeneous material: subcell resolution of the
-      discontinuous Galerkin method},
+	discontinuous Galerkin method},
   journal = gji,
   year = {2010},
   volume = {182},
@@ -2412,7 +2414,7 @@
 @ARTICLE{CaLe96,
   author = {R. D. Catchings and W. H. K. Lee},
   title = {Shallow velocity structure and {P}oisson's ratio at the {T}arzana,
-      {C}alifornia, strong-motion accelerometer site},
+	{C}alifornia, strong-motion accelerometer site},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -2421,7 +2423,7 @@
 
 @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},
+	Brynjulf Owren and G. Reinout W. Quispel and William M. Wright},
   title = {Energy-preserving {R}unge-{K}utta methods},
   journal = {M2AN},
   year = {2009},
@@ -2433,7 +2435,7 @@
 @ARTICLE{CeKoKoRe85,
   author = {C. Cerjan and D. Kosloff and R. Kosloff and M. Reshef},
   title = {A nonreflecting boundary condition for discrete acoustic and elastic
-      wave equation},
+	wave equation},
   journal = geophysics,
   year = {1985},
   volume = {50},
@@ -2451,7 +2453,7 @@
 @ARTICLE{CeNuMa10,
   author = {Ali Cevahir and Akira Nukada and Satoshi Matsuoka},
   title = {High performance conjugate gradient solver on multi-{GPU} clusters
-      using hypergraph partitioning},
+	using hypergraph partitioning},
   journal = {Computer Science Research and Development},
   year = {2010},
   volume = {25},
@@ -2463,7 +2465,7 @@
 @ARTICLE{ChSaHa96,
   author = {F. J. Ch\'avez-Garc\'{\i}a and L. S\'anchez and D. Hatzfeld},
   title = {Topographic site effects and HVSR. A comparison between observation
-      and theory},
+	and theory},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -2473,7 +2475,7 @@
 @ARTICLE{Cha92,
   author = {P. Chadwick},
   title = {Some remarks on the existence of one-component surface waves in elastic
-      materials with symmetry},
+	materials with symmetry},
   journal = {Physica Scripta},
   year = {1992},
   volume = {T44},
@@ -2483,7 +2485,7 @@
 @ARTICLE{Cha90,
   author = {P. Chadwick},
   title = {The behaviour of elastic surface waves polarized in a plane of material
-      symmetry. {I}. {G}eneral analysis},
+	symmetry. {I}. {G}eneral analysis},
   journal = {Proceedings of the Royal Society of London, United Kingdom},
   year = {1990},
   volume = {A430},
@@ -2493,7 +2495,7 @@
 @ARTICLE{Cha89,
   author = {P. Chadwick},
   title = {Wave propagation in transversely isotropic elastic media. {II}. {S}urface
-      waves},
+	waves},
   journal = {Proceedings of the Royal Society of London, United Kingdom},
   year = {1989},
   volume = {A422},
@@ -2514,7 +2516,7 @@
 @INCOLLECTION{ChaSmi77,
   author = {P. Chadwick and G. D. Smith},
   title = {Foundations of the theory of surface waves in anisotropic elastic
-      materials},
+	materials},
   booktitle = {Advances in Applied Mechanics},
   publisher = {Academic Press, New York, USA},
   year = {1977},
@@ -2526,7 +2528,7 @@
 @ARTICLE{ChaWil92a,
   author = {P. Chadwick and N. J. Wilson},
   title = {The behaviour of elastic surface waves polarized in a plane of material
-      symmetry. {II}. {M}onoclinic media},
+	symmetry. {II}. {M}onoclinic media},
   journal = {Proceedings of the Royal Society of London, United Kingdom},
   year = {1992},
   volume = {A438},
@@ -2536,7 +2538,7 @@
 @ARTICLE{ChaWil92b,
   author = {P. Chadwick and N. J. Wilson},
   title = {The behaviour of elastic surface waves polarized in a plane of material
-      symmetry. {III}. {O}rthorhombic and cubic media},
+	symmetry. {III}. {O}rthorhombic and cubic media},
   journal = {Proceedings of the Royal Society of London, United Kingdom},
   year = {1992},
   volume = {A438},
@@ -2546,7 +2548,7 @@
 @ARTICLE{ChaWu94,
   author = {J. F. Chai and T. T. Wu},
   title = {Determination of anisotropic elastic constants using laser-generated
-      surface waves},
+	surface waves},
   journal = jasa,
   year = {1994},
   volume = {95},
@@ -2556,7 +2558,7 @@
 @ARTICLE{ChBoSe08,
   author = {St\'{e}phanie Chaillat and Marc Bonnet and Jean-Fran\c{c}ois Semblat},
   title = {A multi-level fast multipole {BEM} for {3-D} elastodynamics in the
-      frequency domain},
+	frequency domain},
   journal = cmame,
   year = {2008},
   volume = {197},
@@ -2568,9 +2570,9 @@
 @PHDTHESIS{Ch00,
   author = {E. Chaljub},
   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)},
+	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)},
   school = {Universit\'e Paris {\sc VII} Denis Diderot},
   year = {2000},
   address = {Paris, France}
@@ -2579,7 +2581,7 @@
 @ARTICLE{ChCaVi03,
   author = {E. Chaljub and Y. Capdeville and J. P. Vilotte},
   title = {Solving Elastodynamics in a Fluid-Solid Heterogeneous Sphere: a Parallel
-      Spectral-Element Approximation on Non-Conforming Grids},
+	Spectral-Element Approximation on Non-Conforming Grids},
   journal = jcp,
   year = {2003},
   volume = {187},
@@ -2589,9 +2591,9 @@
 
 @INPROCEEDINGS{CCGCK05,
   author = {Emmanuel Chaljub and C\'ecile Cornou and Philippe Gu\'eguen and Mathieu
-      Causse and Dimitri Komatitsch},
+	Causse and Dimitri Komatitsch},
   title = {Spectral-element modeling of 3{D} wave propagation in the alpine
-      valley of {G}renoble, {F}rance},
+	valley of {G}renoble, {F}rance},
   booktitle = {Geophysical Research Abstracts},
   year = {2005},
   volume = {7, 05225},
@@ -2600,7 +2602,7 @@
 
 @INCOLLECTION{ChKoViCaVaFe07,
   author = {Emmanuel Chaljub and Dimitri Komatitsch and Jean Pierre Vilotte and
-      Yann Capdeville and Bernard Valette and Gaetano Festa},
+	Yann Capdeville and Bernard Valette and Gaetano Festa},
   title = {Spectral Element Analysis in Seismology},
   booktitle = {Advances in wave propagation in heterogeneous media},
   publisher = {Elsevier - Academic Press, London, UK},
@@ -2613,9 +2615,9 @@
 
 @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},
+	and M. K\"aser and M. Stupazzini and M. Kristekova},
   title = {Quantitative Comparison of Four Numerical Predictions of 3D Ground
-      Motion in the Grenoble Valley, France},
+	Motion in the Grenoble Valley, France},
   journal = {Bull. Seismol. Soc. Am.},
   year = {2010},
   volume = {100},
@@ -2626,7 +2628,7 @@
 @ARTICLE{ChTa97,
   author = {E. Chaljub and A. Tarantola},
   title = {Sensitivity of {SS} precursors to topography on the upper-mantle
-      660-km discontinuity},
+	660-km discontinuity},
   journal = grl,
   year = {1997},
   volume = {24},
@@ -2637,8 +2639,8 @@
 @ARTICLE{ChVa04,
   author = {E. Chaljub and B. Valette},
   title = {Spectral element modelling of three-dimensional wave propagation
-      in a self-gravitating {E}arth with an arbitrarily stratified outer
-      core},
+	in a self-gravitating {E}arth with an arbitrarily stratified outer
+	core},
   journal = gji,
   year = {2004},
   volume = {158},
@@ -2650,7 +2652,7 @@
   publisher = {Morgan Kaufmann, Elsevier},
   year = {2000},
   author = {Rohit Chandra and Ramesh Menon and Leo Dagum and David Kohr and Dror
-      Maydan and Jeff McDonald},
+	Maydan and Jeff McDonald},
   address = {San Francisco, USA}
 }
 
@@ -2674,9 +2676,9 @@
 
 @ARTICLE{Che:2008:APS,
   author = {Shuai Che and Michael Boyer and Jiayuan Meng and David Tarjan and
-      Jeremy W. Sheaffer and Kevin Skadron},
+	Jeremy W. Sheaffer and Kevin Skadron},
   title = {A performance study of general-purpose applications on graphics processors
-      using {CUDA}},
+	using {CUDA}},
   journal = {Journal of Parallel and Distributed Computing},
   year = {2008},
   volume = {68},
@@ -2689,7 +2691,7 @@
 @ARTICLE{ChTr07,
   author = {Min Chen and Jeroen Tromp},
   title = {Theoretical and numerical investigations of global and regional seismic
-      wave propagation in weakly anisotropic earth models},
+	wave propagation in weakly anisotropic earth models},
   journal = gji,
   year = {2007},
   volume = {168},
@@ -2711,7 +2713,7 @@
 @ARTICLE{ChenBabu96,
   author = {Q. Chen and I. Babu{\v s}ka},
   title = {The optimal symmetrical points for polynomial interpolation of real
-      functions in the tetrahedron},
+	functions in the tetrahedron},
   journal = cmame,
   year = {1996},
   volume = {137},
@@ -2721,7 +2723,7 @@
 @ARTICLE{ChenBabu95,
   author = {Q. Chen and I. Babu{\v s}ka},
   title = {Approximate optimal points for polynomial interpolation of real functions
-      in an interval and in a triangle},
+	in an interval and in a triangle},
   journal = cmame,
   year = {1995},
   volume = {128},
@@ -2731,7 +2733,7 @@
 @INCOLLECTION{Che06,
   author = {X. Chen},
   title = {Generation and propagation of seismic {SH} waves in multilayered
-      media with irregular interfaces},
+	media with irregular interfaces},
   booktitle = {Advances in wave propagation in heterogeneous media},
   publisher = {Elsevier},
   year = {2006},
@@ -2752,7 +2754,7 @@
 @ARTICLE{Che06b,
   author = {S. Chevrot},
   title = {Finite-frequency vectorial tomography: a new method for high-resolution
-      imaging of upper mantle anisotropy},
+	imaging of upper mantle anisotropy},
   journal = gji,
   year = {2006},
   volume = {165},
@@ -2775,7 +2777,7 @@
 @ARTICLE{ChLi96,
   author = {W. C. Chew and Q. Liu},
   title = {{P}erfectly {M}atched {L}ayers for elastodynamics: a new absorbing
-      boundary condition},
+	boundary condition},
   journal = jca,
   year = {1996},
   volume = {4},
@@ -2786,7 +2788,7 @@
 @ARTICLE{ChWe94,
   author = {W. C. Chew and W. H. Weedon},
   title = {A {3-D} perfectly matched medium from modified {M}axwell's equations
-      with stretched coordinates},
+	with stretched coordinates},
   journal = {Microwave Opt. Technol. Lett.},
   year = {1994},
   volume = {7},
@@ -2823,9 +2825,9 @@
 
 @ARTICLE{ClMeRoLo00,
   author = {Eric Cl\'ev\'ed\'e and Charles M\'egnin and Barabara Romanowicz and
-      Philippe Lognonn\'e},
+	Philippe Lognonn\'e},
   title = {Seismic waveform modeling and surface wave tomography in a three-dimensional
-      {E}arth: asymptotic and non-asymptotic approaches},
+	{E}arth: asymptotic and non-asymptotic approaches},
   journal = pepi,
   year = {2000},
   volume = {119(1)},
@@ -2843,9 +2845,9 @@
 
 @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},
+	C. Wallace and S. L. Beck},
   title = {Close in {ScS} and {sScS} reverberations from the 9 {J}une 1994 {B}olivian
-      earthquake},
+	earthquake},
   journal = grl,
   year = {1995},
   volume = {22},
@@ -2865,7 +2867,7 @@
 @ARTICLE{ClLa95,
   author = {R. H. Clouser and C. A. Langston},
   title = {Modeling observed {$P$-$R_g$} conversions from isolated topographic
-      features near the {NORESS} array},
+	features near the {NORESS} array},
   journal = bssa,
   year = {1995},
   volume = {85},
@@ -2884,7 +2886,7 @@
 @ARTICLE{CoRi2002,
   author = {M. Cocco and J. R. Rice},
   title = {Pore pressure and poroelasticity effects in {C}oulomb stress analysis
-      of earthquake interaction},
+	of earthquake interaction},
   journal = jgr,
   year = {2002},
   volume = {107},
@@ -2927,7 +2929,7 @@
 @ARTICLE{CoFa05,
   author = {G. Cohen and S. Fauqueux},
   title = {Mixed Spectral Finite Elements for the Linear Elasticity System in
-      Unbounded Domains},
+	Unbounded Domains},
   journal = {SIAM Journal on Scientific Computing},
   year = {2005},
   volume = {26},
@@ -2959,7 +2961,7 @@
 @ARTICLE{CoJoRoTo01,
   author = {G. Cohen and P. Joly and J. E. Roberts and N. Tordjman},
   title = {Higher-Order Triangular Finite Elements with Mass Lumping for the
-      Wave Equation},
+	Wave Equation},
   journal = {SIAM Journal on Numerical Analysis},
   year = {2001},
   volume = {38},
@@ -2971,9 +2973,9 @@
 @INPROCEEDINGS{CoJoTo93,
   author = {G. Cohen and P. Joly and N. Tordjman},
   title = {Construction and analysis of higher-order finite elements with mass
-      lumping for the wave equation},
+	lumping for the wave equation},
   booktitle = {Proceedings of the second international conference on mathematical
-      and numerical aspects of wave propagation},
+	and numerical aspects of wave propagation},
   year = {1993},
   editor = {R. Kleinman},
   pages = {152-160},
@@ -2992,7 +2994,7 @@
 @ARTICLE{CoFoJo03a,
   author = {Collino, F. and Fouquet, T. and Joly, P.},
   title = {A conservative space-time mesh refinement method for the 1-{D} wave
-      equation. {I}. {C}onstruction},
+	equation. {I}. {C}onstruction},
   journal = {Numerische Mathematik},
   year = {2003},
   volume = {95},
@@ -3003,7 +3005,7 @@
 @ARTICLE{CoFoJo03b,
   author = {Collino, F. and Fouquet, T. and Joly, P.},
   title = {A conservative space-time mesh refinement method for the 1-{D} wave
-      equation. {II}. {A}nalysis},
+	equation. {II}. {A}nalysis},
   journal = {Numerische Mathematik},
   year = {2003},
   volume = {95},
@@ -3014,7 +3016,7 @@
 @TECHREPORT{CoFoJo98,
   author = {F. Collino and T. Fouquet and P. Joly},
   title = {Analyse num\'erique d'une m\'ethode de raffinement de maillage espace-temps
-      pour l'\'equation des ondes},
+	pour l'\'equation des ondes},
   institution = {INRIA},
   year = {1998},
   note = {Research report RR-3474}
@@ -3042,7 +3044,7 @@
 @ARTICLE{CoTs01,
   author = {F. Collino and C. Tsogka},
   title = {Application of the {PML} absorbing layer model to the linear elastodynamic
-      problem in anisotropic heterogeneous media},
+	problem in anisotropic heterogeneous media},
   journal = geophysics,
   year = {2001},
   volume = {66},
@@ -3053,7 +3055,7 @@
 @ARTICLE{cormier1999,
   author = {V. F. Cormier},
   title = {Anisotropy of heterogeneity scale lengths in the lower mantle from
-      PKIKP precursors},
+	PKIKP precursors},
   journal = gji,
   year = {1999},
   volume = {136},
@@ -3072,8 +3074,8 @@
 @ARTICLE{cornou03b,
   author = {C\'ecile Cornou and Pierre-Yves Bard and Michel Dietrich},
   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)},
+	of basin-edge-induced waves, {P}art {II}: {A}pplication to the {G}renoble
+	basin ({F}rench {A}lps)},
   journal = bssa,
   year = {2003},
   volume = {93},
@@ -3092,9 +3094,9 @@
 
 @INPROCEEDINGS{Corrigan:2009:RUG,
   author = {Andrew Corrigan and Fernando Camelli and Rainald L{\"o}hner and John
-      Wallin},
+	Wallin},
   title = {Running unstructured grid based {CFD} solvers on modern graphics
-      hardware},
+	hardware},
   booktitle = {19th AIAA Computational Fluid Dynamics Conference},
   year = {2009},
   pages = {1-11},
@@ -3105,7 +3107,7 @@
 @ARTICLE{CoFrLe28,
   author = {R. Courant and K. O. Friedrichs and H. Lewy},
   title = {\"{U}ber die partiellen {D}ifferenzengleichungen der mathematischen
-      {P}hysik},
+	{P}hysik},
   journal = {Mathematische Annalen},
   year = {1928},
   volume = {100},
@@ -3115,7 +3117,7 @@
 @ARTICLE{CoIsRe52,
   author = {R. Courant and E. Isaacson and M. Rees},
   title = {On the solution of nonlinear hyperbolic differential equations by
-      finite differences},
+	finite differences},
   journal = {Communications on Pure and Applied Mathematics},
   year = {1952},
   volume = {5},
@@ -3134,7 +3136,7 @@
 @ARTICLE{Cra71,
   author = {A. Craggs},
   title = {The transient response of a coupled plate-acoustic system using plate
-      and acoustic finite elements},
+	and acoustic finite elements},
   journal = {J. Sound Vib.},
   year = {1971},
   volume = {15},
@@ -3172,7 +3174,7 @@
 @ARTICLE{CrPiNoMcTa90,
   author = {E. Crase and A. Pica and M. Noble and J. McDonald and A. Tarantola},
   title = {Robust elastic non-linear waveform inversion: application to real
-      data},
+	data},
   journal = geophysics,
   year = {1990},
   volume = {55},
@@ -3182,7 +3184,7 @@
 @ARTICLE{Creager92,
   author = {K. C. Creager},
   title = {Anisotropy of the inner core from differential travel times of the
-      phase {PKP} and {PKIKP}},
+	phase {PKP} and {PKIKP}},
   journal = {Nature},
   year = {1992},
   volume = {356},
@@ -3191,10 +3193,10 @@
 
 @INCOLLECTION{CrJeMoPiSe99,
   author = {P. Cristini and F. Jensen and D. Morisset and J. Piraux and J. P.
-      Sessarego},
+	Sessarego},
   title = {Experimental benchmarks for numerical propagation models: comparison
-      between numerical results and tank experiments for deep and shallow
-      water environments},
+	between numerical results and tank experiments for deep and shallow
+	water environments},
   booktitle = {Theoretical and Computational Acoustics' 97},
   publisher = {World Scientific Publisher},
   year = {1999},
@@ -3205,7 +3207,7 @@
 @ARTICLE{Cummins88,
   author = {P. Cummins and L. R. Johnson},
   title = {Short-period body wave constraints on properties of the {E}arth's
-      Inner Core Boundary},
+	Inner Core Boundary},
   journal = jgr,
   year = {1988},
   volume = {93},
@@ -3261,7 +3263,7 @@
 @ARTICLE{Dai95,
   author = {N. Dai and A. Vafidis and E. R. Kanasevich},
   title = {Wave propagation in heterogeneous, porous media: {A} velocity-stress,
-      finite-difference method},
+	finite-difference method},
   journal = geophysics,
   year = {1995},
   volume = {60},
@@ -3301,7 +3303,7 @@
 @ARTICLE{DaNa98,
   author = {K. T. Danielson and R. R. Namburu},
   title = {Nonlinear dynamic finite element analysis on parallel computers using
-      {F}ortran90 and {MPI}},
+	{F}ortran90 and {MPI}},
   journal = {Advances in Engineering Software},
   year = {1998},
   volume = {29},
@@ -3321,8 +3323,8 @@
 @ARTICLE{Dar98b,
   author = {A. N. Darinskii},
   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},
+	solid layer interface. {II} {L}eaky waves given rise to by exceptional
+	bulk waves},
   journal = jasa,
   year = {1998},
   volume = {103},
@@ -3341,7 +3343,7 @@
 @ARTICLE{DarAlsLot99,
   author = {A. N. Darinskii and V. I. Alshits and J. Lothe},
   title = {Simple reflection and leaky waves in the vicinity of a line of exceptional
-      bulk waves},
+	bulk waves},
   journal = {Wave Motion},
   year = {1999},
   volume = {30},
@@ -3350,9 +3352,9 @@
 
 @ARTICLE{DarAlsLotLyuShu98,
   author = {A. N. Darinskii and V. I. Alshits and J. Lothe and V. N. Lyubimov
-      and A. L. Shuvalov},
+	and A. L. Shuvalov},
   title = {An existence criterion for the branch of two-component surface waves
-      in anisotropic elastic media},
+	in anisotropic elastic media},
   journal = {Wave Motion},
   year = {1998},
   volume = {28},
@@ -3362,7 +3364,7 @@
 @ARTICLE{DarWei05,
   author = {A. N. Darinskii and M. Weihnacht},
   title = {Acoustic waves in bounded anisotropic media: theorems, estimations,
-      and computations},
+	and computations},
   journal = {IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control},
   year = {2005},
   volume = {52},
@@ -3373,7 +3375,7 @@
 @ARTICLE{Dar03,
   author = {E. Darrigrand},
   title = {Coupling of {F}ast {M}ultipole {M}ethod and {M}icrolocal {D}iscretization
-      for the 3{D} {H}elmholtz {E}quation},
+	for the 3{D} {H}elmholtz {E}quation},
   journal = jcp,
   year = {2003},
   volume = {9999999},
@@ -3401,9 +3403,9 @@
 
 @ARTICLE{DaRuLiGaKn00,
   author = {P. M. Davis and J. L. Rubinstein and K. H. Liu and S. S. Gao and
-      L. Knopoff},
+	L. Knopoff},
   title = {Northridge earthquake damage caused by geologic focusing of seismic
-      waves},
+	waves},
   journal = {Science},
   year = {2000},
   volume = {289},
@@ -3413,7 +3415,7 @@
 @ARTICLE{DaNaYe89,
   author = {T. L. Davis and J. Namson and R. F. Yerkes},
   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},
+	belt, the 1987 {W}hittier {N}arrows Earthquake and earthquake hazard},
   journal = jgr,
   year = {1989},
   volume = {94},
@@ -3423,7 +3425,7 @@
 @ARTICLE{Day98,
   author = {S. M. Day},
   title = {Efficient simulation of constant {{\it Q}} using coarse-grained memory
-      variables},
+	variables},
   journal = bssa,
   year = {1998},
   volume = {88},
@@ -3442,7 +3444,7 @@
 @ARTICLE{DeSeWh08,
   author = {De Basabe, J. D. and Sen, M. K. and Wheeler, M. F.},
   title = {The interior penalty discontinuous {G}alerkin method for elastic
-      wave propagation: grid dispersion},
+	wave propagation: grid dispersion},
   journal = gji,
   year = {2008},
   volume = {175},
@@ -3454,7 +3456,7 @@
 @ARTICLE{DeSe10,
   author = {Jon{\'a}s D. {De Basabe} and Mrinal K. Sen},
   title = {Stability of the high-order finite elements for acoustic or elastic
-      wave propagation with high-order time stepping},
+	wave propagation with high-order time stepping},
   journal = gji,
   year = {2010},
   volume = {181},
@@ -3466,7 +3468,7 @@
 @ARTICLE{DeSe07,
   author = {Jon{\'a}s D. {De Basabe} and Mrinal K. Sen},
   title = {Grid dispersion and stability criteria of some common finite-element
-      methods for acoustic and elastic wave equations},
+	methods for acoustic and elastic wave equations},
   journal = geophysics,
   year = {2007},
   volume = {72},
@@ -3497,9 +3499,9 @@
 @INPROCEEDINGS{DeCuFeVi06,
   author = {E. Delavaud and P. Cupillard and G. Festa and J.-P. Vilotte},
   title = {3{D} Spectral Element Method simulations of the seismic response
-      in the Caracas basin},
+	in the Caracas basin},
   booktitle = {Proc. of the Third International Symposium on the Effects of Surface
-      Geology on Seismic Motion},
+	Geology on Seismic Motion},
   year = {2006},
   volume = {1},
   pages = {512-522},
@@ -3527,7 +3529,7 @@
 @ARTICLE{DeHu09,
   author = {M. Deschamps and G. Huet},
   title = {Complex surface rays associated with inhomogeneous skimming and {R}ayleigh
-      waves},
+	waves},
   journal = {Int. J. Nonlinear Mech.},
   year = {2009},
   volume = {44},
@@ -3546,7 +3548,7 @@
 @ARTICLE{DePa03,
   author = {J. X. Dessa and G. Pascal},
   title = {Combined traveltime and frequency-domain seismic waveform inversion:
-      a case study on multi-offset ultrasonic data},
+	a case study on multi-offset ultrasonic data},
   journal = gji,
   year = {2003},
   volume = {154},
@@ -3558,7 +3560,7 @@
 @ARTICLE{Des03,
   author = {M. Destrade},
   title = {Rayleigh waves in symmetry planes of crystals: explicit secular equations
-      and some explicit wave speeds},
+	and some explicit wave speeds},
   journal = {Mechanics of Materials},
   year = {2003},
   volume = {35},
@@ -3568,7 +3570,7 @@
 @ARTICLE{Des01a,
   author = {M. Destrade},
   title = {The explicit secular equation for surface acoustic waves in monoclinic
-      elastic crystals},
+	elastic crystals},
   journal = jasa,
   year = {2001},
   volume = {109},
@@ -3597,7 +3599,7 @@
 @ARTICLE{DeWitt,
   author = {C. DeWitt-Morette},
   title = {Feynman {P}ath {I}ntegrals : {I}) {L}inear {A}nd {A}ffine {T}echniques,
-      {II}) {T}he {F}eynman-{G}reen function},
+	{II}) {T}he {F}eynman-{G}reen function},
   journal = {Comm. Math. Phys},
   year = {1974},
   volume = {37},
@@ -3614,17 +3616,20 @@
 
 @ARTICLE{DiEz08,
   author = {Julien Diaz and Abdela\^aziz Ezziani},
-  title = {A semi-analytical solution for a two-layer non dissipative poroelastic
-      medium},
-  journal = jcp,
-  year = {2008},
+  title = {Analytical solution for waves propagation in heterogeneous acoustic/porous
+	media. {Part I: the 2D} case},
+  journal = {Communications in Computational Physics},
+  year = {2010},
+  volume = {7},
+  pages = {171-194},
+  number = {1},
   note = {In preparation.}
 }
 
 @ARTICLE{DiGr09,
   author = {Julien Diaz and Marcus J. Grote},
   title = {Energy Conserving Explicit Local Time Stepping for Second-Order Wave
-      Equations},
+	Equations},
   journal = {SIAM J. Sci. Comput.},
   year = {2009},
   volume = {31},
@@ -3646,7 +3651,7 @@
 @ARTICLE{DiJo05,
   author = {J. Diaz and P. Joly},
   title = {A robust high-order non-conforming finite-element formulation for
-      time domain fluid-structure interaction},
+	time domain fluid-structure interaction},
   journal = jca,
   year = {2005},
   volume = {13},
@@ -3666,7 +3671,7 @@
   author = {R. Dolbeau and S. Bihan and F. Bodin},
   title = {{HMPP: A} Hybrid Multi-core Parallel Programming Environment},
   booktitle = {Proceedings of the Workshop on General Purpose Processing on Graphics
-      Processing Units (GPGPU'2007)},
+	Processing Units (GPGPU'2007)},
   year = {2007},
   pages = {1-5},
   address = {Boston, Massachusetts, USA},
@@ -3677,7 +3682,7 @@
 @ARTICLE{DoShGuMa05,
   author = {Liangguo Dong and Deping She and Luping Guan and Zaitian Ma},
   title = {An eigenvalue decomposition method to construct absorbing boundary
-      conditions for acoustic and elastic wave equations},
+	conditions for acoustic and elastic wave equations},
   journal = {J. Geophys. Eng.},
   year = {2005},
   volume = {2},
@@ -3706,7 +3711,7 @@
 @ARTICLE{DoSpSt86,
   author = {D. J. Doornbos and S. Spilopoulos and F. D. Stacey},
   title = {Seismological properties of {D}'' and the structure of a thermal
-      boundary layer},
+	boundary layer},
   journal = pepi,
   year = {1986},
   volume = {41},
@@ -3716,7 +3721,7 @@
 @ARTICLE{DoTa95,
   author = {E. Dormy and A. Tarantola},
   title = {Numerical simulation of elastic wave propagation using a finite volume
-      method},
+	method},
   journal = jgr,
   year = {1995},
   volume = {100},
@@ -3726,7 +3731,7 @@
 @PHDTHESIS{Dou94,
   author = {Christophe Doursat},
   title = {Qualit\'es, d\'efauts et am\'eliorations des maillages alg\'ebriques
-      et elliptiques},
+	et elliptiques},
   school = {Universit\'e Paris {\sc VI} Jussieu},
   year = {1994},
   address = {Paris}
@@ -3745,7 +3750,7 @@
 @ARTICLE{DrMo87,
   author = {M. Dravinski and T. K. Mossessian},
   title = {Scattering of plane harmonic {{\it P}}, {{\it SV}} and {R}ayleigh
-      waves by dipping layers of arbitrary shape},
+	waves by dipping layers of arbitrary shape},
   journal = bssa,
   year = {1987},
   volume = {77},
@@ -3764,7 +3769,7 @@
 @ARTICLE{DrGi07a,
   author = {Francis H. Drossaert and Antonios Giannopoulos},
   title = {A nonsplit complex frequency-shifted {PML} based on recursive integration
-      for {FDTD} modeling of elastic waves},
+	for {FDTD} modeling of elastic waves},
   journal = geophysics,
   year = {2007},
   volume = {72},
@@ -3776,7 +3781,7 @@
 @ARTICLE{DrGi07b,
   author = {F. H. Drossaert and A. Giannopoulos},
   title = {Complex frequency shifted convolution {PML} for {FDTD} modelling
-      of elastic waves},
+	of elastic waves},
   journal = {Wave Motion},
   year = {2007},
   volume = {44},
@@ -3807,9 +3812,9 @@
 
 @ARTICLE{DuFeKoArSi08,
   author = {L. Dubois and Kurt L. Feigl and Dimitri Komatitsch and T. \'Arnad\'ottir
-      and Freysteinn Sigmundsson},
+	and Freysteinn Sigmundsson},
   title = {Three-dimensional mechanical models for the {J}une 2000 earthquake
-      sequence in the south {I}celand seismic zone},
+	sequence in the south {I}celand seismic zone},
   journal = {Tectonophysics},
   year = {2008},
   volume = {457},
@@ -3820,7 +3825,7 @@
 @ARTICLE{Dubosetal2003,
   author = {N. Dubos and A. Souriau and C. Ponsolles and J. F. Fels and G. S\'en\'echal},
   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},
+	{F}rance) par la m\'ethode des rapports spectraux},
   journal = {Bull. Soc. G\'eol. Fr.},
   year = {2003},
   volume = {174},
@@ -3831,7 +3836,7 @@
 @ARTICLE{Duf08,
   author = {Th. S. Duffy},
   title = {Some recent advances in understanding the mineralogy of {E}arth's
-      deep mantle},
+	deep mantle},
   journal = {Phil. Trans. R. Soc. A},
   year = {2008},
   volume = {366},
@@ -3842,8 +3847,8 @@
 @ARTICLE{DuKa06,
   author = {M. Dumbser and M. K\"aser},
   title = {An arbitrary high-order discontinuous {G}alerkin method for elastic
-      waves on unstructured meshes-{II}. {T}he three-dimensional isotropic
-      case},
+	waves on unstructured meshes-{II}. {T}he three-dimensional isotropic
+	case},
   journal = gji,
   year = {2006},
   volume = {167},
@@ -3855,8 +3860,8 @@
 @ARTICLE{DuKaTo07,
   author = {Michael Dumbser and Martin K\"aser and Eleuterio Toro},
   title = {An arbitrary high-order discontinuous {G}alerkin method for elastic
-      waves on unstructured meshes, {P}art {V}: Local time stepping and
-      $p$-adaptivity},
+	waves on unstructured meshes, {P}art {V}: Local time stepping and
+	$p$-adaptivity},
   journal = gji,
   year = {2007},
   volume = {171},
@@ -3868,7 +3873,7 @@
 @ARTICLE{Dup73,
   author = {T. Dupond},
   title = {A {$L^2$} estimate of {G}alerkin methods for second order hyperbolic
-      equations},
+	equations},
   journal = {SIAM Journal on Numerical Analysis},
   year = {1973},
   volume = {10},
@@ -3877,9 +3882,9 @@
 
 @ARTICLE{DuDeFoKoRo10,
   author = {Fabrice Dupros and de Martin, Florent and Evelyne Foerster and Dimitri
-      Komatitsch and Jean Roman},
+	Komatitsch and Jean Roman},
   title = {High-performance finite-element simulations of seismic wave propagation
-      in three-dimensional non linear inelastic geological media},
+	in three-dimensional non linear inelastic geological media},
   journal = {Parallel Computing},
   year = {2010},
   volume = {36},
@@ -3888,21 +3893,11 @@
   doi = {10.1016/j.parco.2009.12.011}
 }
 
- at 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},
-  title = {Efficient stencil computation on multicore architectures: {A}pplication
-      to the finite-difference method for seismic wave propagation},
-  journal = {Concurrency Computation Practice and Experience},
-  year = {2011},
-  note = {Submitted in October 2010.}
-}
-
 @ARTICLE{DuJoGuKeKo10,
   author = {Guilhem Dupuy and Bruno Jobard and Sebastien Guillon and Noomane
-      Keskes and Dimitri Komatitsch},
+	Keskes and Dimitri Komatitsch},
   title = {Parallel extraction and simplification of large isosurfaces using
-      an extended tandem algorithm},
+	an extended tandem algorithm},
   journal = {Computer-Aided Design},
   year = {2010},
   volume = {42},
@@ -3968,15 +3963,15 @@
 
 @ARTICLE{Ebeetal03,
   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},
+	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},
   title = {The 2002 {D}enali Fault Earthquake, {A}laska: a Large Magnitude,
-      Slip-Partitioned Event},
+	Slip-Partitioned Event},
   journal = {Science},
   year = {2003},
   volume = {300},
@@ -3986,7 +3981,7 @@
 @ARTICLE{EiCl02,
   author = {L. Eisner and R. W. Clayton},
   title = {A full waveform test of the southern {C}alifornia velocity model
-      by the reciprocity method},
+	by the reciprocity method},
   journal = pageoph,
   year = {2002},
   volume = {159},
@@ -3996,7 +3991,7 @@
 @ARTICLE{Eks95,
   author = {G. Ekstr\"{o}m},
   title = {Calculation of static deformation following the {B}olivia earthquake
-      by summation of {E}arth's normal modes},
+	by summation of {E}arth's normal modes},
   journal = grl,
   year = {1995},
   volume = {22},
@@ -4016,7 +4011,7 @@
 @ARTICLE{ElYoAc09,
   author = {Ch. P. {El Soueidy} and A. Younes and P. Ackerer},
   title = {Solving the advection-diffusion equation on unstructured meshes with
-      discontinuous/mixed finite elements and a local time stepping procedure},
+	discontinuous/mixed finite elements and a local time stepping procedure},
   journal = ijnme,
   year = {2009},
   volume = {79},
@@ -4040,7 +4035,7 @@
 @ARTICLE{EmMaNa99,
   author = {V. Emery and V. Maupin and H. C. Nataf},
   title = {Scattering of {S} waves diffracted at the core-mantle boundary: forward
-      modelling},
+	modelling},
   journal = gji,
   year = {1999},
   volume = {139},
@@ -4051,7 +4046,7 @@
 @ARTICLE{EmKo87,
   author = {H. Emmerich and M. Korn},
   title = {Incorporation of attenuation into time-domain computations of seismic
-      wave fields},
+	wave fields},
   journal = geophysics,
   year = {1987},
   volume = {52},
@@ -4061,7 +4056,7 @@
 @ARTICLE{EngIngTon67,
   author = {H. Engan and K. A. Ingebrigtsen and A. Tonning},
   title = {Elastic surface waves in alpha-quartz: observation of leaky surface
-      waves},
+	waves},
   journal = {Applied Physics Letters},
   year = {1967},
   volume = {10},
@@ -4071,7 +4066,7 @@
 @ARTICLE{Engdahl98,
   author = {E. R. Engdahl and R. van der Hilst and R. Buland},
   title = {Global teleseismic earthquake relocation with improved travel times
-      and procedures for depth determination},
+	and procedures for depth determination},
   journal = bssa,
   year = {1998},
   volume = {88},
@@ -4102,8 +4097,8 @@
 
 @BOOK{Euv94,
   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},
+	- Diff\'erences finies, \'el\'ements finis, probl\`emes en domaine
+	non born\'e},
   publisher = {Masson},
   year = {1994},
   author = {Daniel Euvrard},
@@ -4124,7 +4119,7 @@
 @ARTICLE{Eve02,
   author = {A. G. Every},
   title = {Measurement of the near-surface elastic properties of solids and
-      thin supported films},
+	thin supported films},
   journal = {Measurement Science Technology},
   year = {2002},
   volume = {13},
@@ -4134,7 +4129,7 @@
 @ARTICLE{EveDes03,
   author = {A. G. Every and M. Deschamps},
   title = {Principal surface wave velocities in the point focus acoustic materials
-      signature {V}(z) of an anisotropic solid},
+	signature {V}(z) of an anisotropic solid},
   journal = {Ultrasonics},
   year = {2003},
   volume = {41},
@@ -4153,7 +4148,7 @@
 @ARTICLE{EveKimMaz97,
   author = {A. G. Every and K. Y. Kim and A. A. Maznev},
   title = {The elastodynamic response of a semi-infinite anisotropic solid to
-      sudden surface loading},
+	sudden surface loading},
   journal = jasa,
   year = {1997},
   volume = {102},
@@ -4164,9 +4159,9 @@
 @ARTICLE{Ez2006,
   author = {A. Ezziani},
   title = {Ondes dans les milieux poro\'elastiques : analyse du mod\`ele de
-      {B}iot},
+	{B}iot},
   journal = {Revue Africaine de la Recherche en Informatique et Math\'ematiques
-      Appliqu\'ees ARIMA},
+	Appliqu\'ees ARIMA},
   year = {2006},
   volume = {5},
   pages = {95-109}
@@ -4175,7 +4170,7 @@
 @PHDTHESIS{Ez2005,
   author = {A. Ezziani},
   title = {Mod\'elisation math\'ematique et num\'erique de la propagation d'ondes
-      dans des milieux visco\'elastiques et poro\'elastiques},
+	dans des milieux visco\'elastiques et poro\'elastiques},
   school = {Universit\'e Paris IX, France},
   year = {2005},
   address = {Paris, France}
@@ -4184,7 +4179,7 @@
 @ARTICLE{FaMaPaQu97,
   author = {E. Faccioli and F. Maggio and R. Paolucci and A. Quarteroni},
   title = {2{D} and 3{D} elastic wave propagation by a pseudo-spectral domain
-      decomposition method},
+	decomposition method},
   journal = {J. Seismol.},
   year = {1997},
   volume = {1},
@@ -4194,7 +4189,7 @@
 @ARTICLE{FaMaQuTa96,
   author = {E. Faccioli and F. Maggio and A. Quarteroni and A. Tagliani},
   title = {Spectral-domain decomposition methods for the solution of acoustic
-      and elastic wave equations},
+	and elastic wave equations},
   journal = geophysics,
   year = {1996},
   volume = {61},
@@ -4216,7 +4211,7 @@
 @ARTICLE{FaLiHe02,
   author = {G. X. Fan and Q. H. Liu and J. S. Hesthaven},
   title = {Multidomain pseudospectral time-domain simulations of scattering
-      by objects buried in lossy media},
+	by objects buried in lossy media},
   journal = {IEEE Trans. Geosci. Remote Sens.},
   year = {2002},
   volume = {GE-40},
@@ -4227,7 +4222,7 @@
   author = {Zhe Fan and Feng Qiu and Arie E. Kaufman},
   title = {Zippy: A Framework for Computation and Visualization on a {GPU} Cluster},
   booktitle = {Proceedings of the Eurographics'2008 Symposium on Parallel Graphics
-      and Visualization (EGPGV'08)},
+	and Visualization (EGPGV'08)},
   year = {2008},
   editor = {G. Drettakis and R. Scopigno},
   volume = {27(2)},
@@ -4249,7 +4244,7 @@
 @ARTICLE{FaCr89,
   author = {C. Farhat and L. Crivelli},
   title = {A general approach to nonlinear finite-element computations on shared-memory
-      multiprocessors},
+	multiprocessors},
   journal = cmame,
   year = {1989},
   volume = {72},
@@ -4269,7 +4264,7 @@
 @ARTICLE{farhathararihetmaniuk20031,
   author = {C. Farhat and I. Harari and U. Hetmaniuk},
   title = {A discontinuous {G}alerkin method with {L}agrange multipliers for
-      the solution of {H}elmholtz problems in the mid-frequency regime},
+	the solution of {H}elmholtz problems in the mid-frequency regime},
   journal = cmame,
   year = {2003},
   volume = {192},
@@ -4309,7 +4304,7 @@
   author = {G. W. Farnell},
   title = {Review of pseudo-surface waves},
   booktitle = {Proceedings of the "Surface waves in solids and layered structures
-      (ISSWAS86)" International Symposium},
+	(ISSWAS86)" International Symposium},
   year = {1986},
   volume = {3},
   pages = {7-20},
@@ -4319,7 +4314,7 @@
 @ARTICLE{farra99,
   author = {V. Farra},
   title = {Computation of second-order travel-time perturbation by {H}amiltonian
-      ray theory},
+	ray theory},
   journal = gji,
   year = {1999},
   volume = {136},
@@ -4338,7 +4333,7 @@
 @ARTICLE{Far90,
   author = {V. Farra},
   title = {Amplitude computation in heterogeneous media by ray perturbation
-      theory: a finite element approach},
+	theory: a finite element approach},
   journal = gji,
   year = {1990},
   volume = {103},
@@ -4361,7 +4356,7 @@
   author = {Massimiliano Fatica},
   title = {Accelerating {L}inpack with {CUDA} on heterogenous clusters},
   booktitle = {GPGPU-2: Proceedings of 2nd Workshop on General Purpose Processing
-      on Graphics Processing Units},
+	on Graphics Processing Units},
   year = {2009},
   editor = {David Kaeli and Miriam Leeser},
   number = {383},
@@ -4374,7 +4369,7 @@
 @PHDTHESIS{Fau03,
   author = {Sandrine Fauqueux},
   title = {El\'ements finis mixtes spectraux et couches absorbantes parfaitement
-      adapt\'ees pour la propagation d'ondes \'elastiques en r\'egime transitoire},
+	adapt\'ees pour la propagation d'ondes \'elastiques en r\'egime transitoire},
   school = {Universit\'e Paris-Dauphine},
   year = {2003},
   address = {Paris, France},
@@ -4384,7 +4379,7 @@
 @ARTICLE{FaCh03,
   author = {N. Favier and S. Chevrot},
   title = {Sensitivity kernels for shear wave splitting in transverse isotropic
-      media},
+	media},
   journal = gji,
   year = {2003},
   volume = {153},
@@ -4395,7 +4390,7 @@
 @ARTICLE{FaChKo04,
   author = {N. Favier and S. Chevrot and D. Komatitsch},
   title = {Near-field influences on shear wave splitting and traveltime sensitivity
-      kernels},
+	kernels},
   journal = gji,
   year = {2004},
   volume = {156},
@@ -4407,7 +4402,7 @@
 @ARTICLE{gp03,
   author = {N. Favretto-Cristini and E. de Bazelaire},
   title = {P{P} amplitude bias caused by interface scattering: are diffracted
-      waves guilty?},
+	waves guilty?},
   journal = {Geophysical Prospecting},
   year = {2003},
   volume = {51},
@@ -4416,7 +4411,7 @@
 
 @ARTICLE{FaKoCaCa11,
   author = {Nathalie Favretto-Cristini and Dimitri Komatitsch and Jos\'e Carcione
-      and Fabio Cavallini},
+	and Fabio Cavallini},
   title = {Elastic surface waves in crystals: {P}art {I} : Review of the physics},
   journal = {Ultrasonics},
   year = {2011},
@@ -4429,8 +4424,8 @@
 @ARTICLE{Fejer32,
   author = {L. Fej\'er},
   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},
+	die {Q}uadratsumme der {G}rundfunktionen der {L}agrangeschen {I}nterpolation
+	im {I}ntervalle $[-1,1]$ ein m\"oglichst kleines {M}aximum besitzt},
   journal = {Ann. Scuola Norm. Sup. Pisa Sci. Fis. Mt. Ser. II},
   year = {1932},
   volume = {1},
@@ -4449,7 +4444,7 @@
 @ARTICLE{Felsen,
   author = {L. B. Felsen},
   title = {Geometrical Theory of Diffraction, Evanescent Waves, Complex Rays
-      and {G}aussian Beams},
+	and {G}aussian Beams},
   journal = gjras,
   year = {1984},
   volume = {79},
@@ -4469,7 +4464,7 @@
 @ARTICLE{FeDeVi05,
   author = {G. Festa and E. Delavaud and J. P. Vilotte},
   title = {Interaction between surface waves and absorbing boundaries for wave
-      propagation in geological basins: {2D} numerical simulations},
+	propagation in geological basins: {2D} numerical simulations},
   journal = grl,
   year = {2005},
   volume = {32},
@@ -4490,7 +4485,7 @@
 @ARTICLE{FeVi05,
   author = {G. Festa and J. P. Vilotte},
   title = {The {N}ewmark scheme as velocity-stress time-staggering: an efficient
-      {PML} implementation for spectral-element simulations of elastodynamics},
+	{PML} implementation for spectral-element simulations of elastodynamics},
   journal = gji,
   year = {2005},
   volume = {161},
@@ -4507,9 +4502,9 @@
 
 @ARTICLE{FiIgBuKe09,
   author = {Andreas Fichtner and Heiner Igel and Hans-Peter Bunge and Brian L.
-      N. Kennett},
+	N. Kennett},
   title = {Simulation and inversion of seismic wave propagation on continental
-      scales based on a spectral-element method},
+	scales based on a spectral-element method},
   journal = {Journal of Numerical Analysis, Industrial and Applied Mathematics},
   year = {2009},
   volume = {4},
@@ -4518,18 +4513,22 @@
 }
 
 @ARTICLE{fink99,
-  author = {M. Fink},
+  author = {Mathias Fink and Didier Cassereau and Arnaud Derode and Claire Prada
+	and Philippe Roux and Mickael Tanter and Jean-Louis Thomas and F.
+	Wu},
   title = {Time-reversed acoutics},
-  journal = {Scientific American},
-  year = {1999},
-  pages = {91-97},
-  month = {November}
+  journal = {Reports on Progress in Physics},
+  year = {2000},
+  volume = {63},
+  pages = {1933},
+  number = {12},
+  doi = {10.1088/0034-4885/63/12/202}
 }
 
 @ARTICLE{Fis90,
   author = {P. F. Fischer},
   title = {Analysis and application of a parallel spectral element method for
-      the solution of the {N}avier-{S}tokes equations},
+	the solution of the {N}avier-{S}tokes equations},
   journal = cmame,
   year = {1990},
   volume = {80},
@@ -4539,7 +4538,7 @@
 @PHDTHESIS{Fis89,
   author = {P. F. Fischer},
   title = {Spectral element solution of the {N}avier-{S}tokes equations on high
-      performance distributed-memory parallel processors},
+	performance distributed-memory parallel processors},
   school = {Massachusetts Institute of Technology},
   year = {1989},
   address = {Cambridge, Massachusetts}
@@ -4547,9 +4546,9 @@
 
 @ARTICLE{FiHoKaRoPa88,
   author = {P. F. Fischer and L. W. Ho and G. E. Karniadakis and E. M. R{\o}nquist
-      and A. T. Patera},
+	and A. T. Patera},
   title = {Recent advances in parallel spectral element simulation of unsteady
-      incompressible flows},
+	incompressible flows},
   journal = {Computers and Structures},
   year = {1988},
   volume = {30},
@@ -4559,7 +4558,7 @@
 @ARTICLE{FiRo94,
   author = {P. F. Fischer and E. M. R{\o}nquist},
   title = {{S}pectral-element Methods for Large Scale Parallel {N}avier-{S}tokes
-      Calculations},
+	Calculations},
   journal = cmame,
   year = {1994},
   volume = {116},
@@ -4569,8 +4568,8 @@
 @ARTICLE{Fish3,
   author = {L. Fishman},
   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},
+	{S}pace and {P}ath {I}ntegral {M}ethods to {S}eismic {W}ave {P}ropagation
+	and {I}nversion},
   journal = {Pure and Applied Geophysics},
   year = {2002},
   volume = {159},
@@ -4580,8 +4579,8 @@
 @ARTICLE{Fish1,
   author = {L. Fishman},
   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},
+	{H}elmholtz, {W}eyl {C}omposition {E}quation in {U}nderwater {A}coustics
+	- the {Q}uadratic {P}rofile},
   journal = {J. Math. Phys.},
   year = {1992},
   volume = {33},
@@ -4591,7 +4590,7 @@
 @ARTICLE{Fish2,
   author = {L. Fishman and J. J. McCoy and S. C. Wales},
   title = {Factorization and Path Integration of the {H}elmholtz Equation :
-      {N}umerical Algorithms},
+	{N}umerical Algorithms},
   journal = {J. Acoust. Soc. Am.},
   year = {1987},
   volume = {81},
@@ -4618,9 +4617,9 @@
 @PHDTHESIS{Fon06,
   author = {Mathieu Fontes},
   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)},
+	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)},
   school = {Universit\'e de Pau et des Pays de l'Adour},
   year = {2006},
   address = {Pau, France},
@@ -4630,7 +4629,7 @@
 @ARTICLE{For88,
   author = {B. Fornberg},
   title = {The pseudospectral method: accurate representation of interfaces
-      in elastic wave calculations},
+	in elastic wave calculations},
   journal = geophysics,
   year = {1988},
   volume = {53},
@@ -4640,7 +4639,7 @@
 @ARTICLE{For75,
   author = {D. W. Forsyth},
   title = {The early structural evolution and anisotropy of the oceanic upper
-      mantle},
+	mantle},
   journal = gjras,
   year = {1975},
   volume = {43},
@@ -4650,7 +4649,7 @@
 @ARTICLE{FoFiWy01,
   author = {M. J. Fouch and K. M. Fischer and M. E. Wysession},
   title = {Lowermost mantle anisotropy beneath the {P}acific: {I}maging the
-      source of the {H}awaiian plume},
+	source of the {H}awaiian plume},
   journal = epsl,
   year = {2001},
   volume = {190},
@@ -4669,8 +4668,8 @@
 @ARTICLE{Fra93,
   author = {A. Frankel},
   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},
+	valley, {C}alifornia, for hypothetical earthquakes on the {S}an {A}ndreas
+	fault},
   journal = bssa,
   year = {1993},
   volume = {83},
@@ -4680,8 +4679,8 @@
 @ARTICLE{FrLe92,
   author = {A. Frankel and W. Leith},
   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},
+	of explosions at the northern {N}ovaya {Z}emlya test site using 3-{D}
+	numerical simulations},
   journal = grl,
   year = {1992},
   volume = {19},
@@ -4691,7 +4690,7 @@
 @ARTICLE{FrVi92,
   author = {A. Frankel and J. Vidale},
   title = {A three-dimensional simulation of seismic waves in the {S}anta {C}lara
-      valley, {C}alifornia, from the {L}oma {P}rieta aftershock},
+	valley, {C}alifornia, from the {L}oma {P}rieta aftershock},
   journal = bssa,
   year = {1992},
   volume = {82},
@@ -4701,8 +4700,8 @@
 @ARTICLE{FrDa95,
   author = {Wolfgang Friederich and J\"org Dalkolmo},
   title = {Complete synthetic seismograms for a spherically-symmetric {E}arth
-      by a numerical computation of the {G}reen's function in the frequency
-      domain},
+	by a numerical computation of the {G}reen's function in the frequency
+	domain},
   journal = gji,
   year = {1995},
   volume = {122},
@@ -4714,7 +4713,7 @@
 @ARTICLE{fuchsmuller1971,
   author = {K. Fuchs and G. Muller},
   title = {Computation of synthetic seismograms with the reflectivity method
-      and comparison of observations},
+	and comparison of observations},
   journal = gjras,
   year = {1971},
   volume = {23},
@@ -4723,12 +4722,12 @@
 
 @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},
+	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},
   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}},
+	earthquakes, {S}outhern {C}alifornia: relocated aftershocks and seismic
+	images from {LARSE~II}},
   journal = {Geology},
   year = {2003},
   volume = {31},
@@ -4748,7 +4747,7 @@
 @ARTICLE{FuKeFu99,
   author = {M. Furumura and B. L. N. Kennett and T. Furumura},
   title = {Seismic wavefield calculation for laterally heterogeneous {E}arth
-      models-{II}. The influence of upper mantle heterogeneity},
+	models-{II}. The influence of upper mantle heterogeneity},
   journal = gji,
   year = {1999},
   volume = {139},
@@ -4760,7 +4759,7 @@
 @ARTICLE{FuKeFu98,
   author = {T. Furumura and B. L. N. Kennett and M. Furumura},
   title = {Seismic wavefield calculation for laterally heterogeneous whole {E}arth
-      models using the pseudospectral method},
+	models using the pseudospectral method},
   journal = gji,
   year = {1998},
   volume = {135},
@@ -4771,10 +4770,10 @@
 
 @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},
+	Patrick McCormick and Sven H. M. Buijssen and Matthias Grajewski
+	and Stefan Turek},
   title = {Exploring weak scalability for {FEM} calculations on a {GPU}-enhanced
-      cluster},
+	cluster},
   journal = {Parallel Computing},
   year = {2007},
   volume = {33},
@@ -4785,7 +4784,7 @@
 @ARTICLE{GoStTu07,
   author = {Dominik G\"oddeke and Robert Strzodka and Stefan Turek},
   title = {Performance and accuracy of hardware-oriented native-, emulated-
-      and mixed-precision solvers in {FEM} simulations},
+	and mixed-precision solvers in {FEM} simulations},
   journal = {International Journal of Parallel, Emergent and Distributed Systems},
   year = {2007},
   volume = {22},
@@ -4796,7 +4795,7 @@
 @ARTICLE{GeBaJu88,
   author = {L. G\'eli and P. Y. Bard and B. Julien},
   title = {The effect of topography on earthquake ground motion: a review and
-      new results},
+	new results},
   journal = bssa,
   year = {1988},
   volume = {78},
@@ -4806,7 +4805,7 @@
 @ARTICLE{GaBo89,
   author = {S. Gaffet and M. Bouchon},
   title = {Effects of two-dimensional topographies using the discrete wavenumber-boundary
-      integral equation method in {{\it P-SV}} cases},
+	integral equation method in {{\it P-SV}} cases},
   journal = jasa,
   year = {1989},
   volume = {85},
@@ -4833,8 +4832,8 @@
 @ARTICLE{GaLiDaKn96,
   author = {S. Gao and H. Liu and P. M. Davis and L. Knopoff},
   title = {Localized amplification of seismic waves and correlation with damage
-      due to the {N}orthridge earthquake: evidence for focusing in {S}anta
-      {M}onica},
+	due to the {N}orthridge earthquake: evidence for focusing in {S}anta
+	{M}onica},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -4844,9 +4843,9 @@
 
 @ARTICLE{geofem01,
   author = {Kazuteru Garatani and Hisashi Nakamura and Hiroshi Okuda and Genki
-      Yagawa},
+	Yagawa},
   title = {Geo{FEM}: a High Performance Parallel finite element method for the
-      Solid {E}arth},
+	Solid {E}arth},
   journal = {J. Future Generation Computer Systems},
   year = {2001},
   volume = {18},
@@ -4855,7 +4854,7 @@
 
 @ARTICLE{geofem00,
   author = {Kazuteru Garatani and Hisashi Nakamura and Hiroshi Okuda and Genki
-      Yagawa},
+	Yagawa},
   title = {Large-Scale Parallel Wave Propagation Analysis by {G}eo{FEM}},
   journal = {Lecture Notes in Computer Science},
   year = {2000},
@@ -4866,7 +4865,7 @@
 @ARTICLE{Gar02,
   author = {R. Garcia},
   title = {Constraints on upper inner core structure by waveform inversion of
-      core phases},
+	core phases},
   journal = gji,
   year = {2002},
   volume = {150},
@@ -4903,8 +4902,8 @@
 
 @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},
+	Anderson and Jim Hardwick and Scott Morton and Everett H. Phillips
+	and Yao Zhang and Vasily Volkov},
   title = {Parallel Computing Experiences with {CUDA}},
   journal = {IEEE Micro},
   year = {2008},
@@ -4918,7 +4917,7 @@
 @ARTICLE{GaLa97,
   author = {E. Garnero and T. Lay},
   title = {Lateral variations in lowermost mantle shear wave anisotropy beneath
-      the north {P}acific and {A}laska},
+	the north {P}acific and {A}laska},
   journal = {J. Geophys. Res.},
   year = {1997},
   volume = {102},
@@ -4946,7 +4945,7 @@
 @ARTICLE{GoViTa86,
   author = {O. Gauthier and J. Virieux and A. Tarantola},
   title = {Two-dimensional non-linear inversion of seismic waveforms: numerical
-      results},
+	results},
   journal = geophysics,
   year = {1986},
   volume = {51},
@@ -4994,7 +4993,7 @@
   author = {S. D. Gedney},
   title = {The {P}erfectly {M}atched {L}ayer absorbing medium},
   booktitle = {Advances in Computational Electrodynamics: the Finite-Difference
-      Time-Domain method},
+	Time-Domain method},
   publisher = {Artech House},
   year = {1998},
   editor = {Allen Taflove},
@@ -5006,7 +5005,7 @@
 @ARTICLE{Ged96,
   author = {S. D. Gedney},
   title = {An anisotropic perfectly matched layer-absorbing medium for the truncation
-      of {FDTD} lattices},
+	of {FDTD} lattices},
   journal = {IEEE Transactions on Antennas and Propagation},
   year = {1996},
   volume = {44},
@@ -5018,7 +5017,7 @@
 @ARTICLE{GeZh10,
   author = {S. D. Gedney and B. Zhao},
   title = {An Auxiliary Differential Equation Formulation for the Complex-Frequency
-      Shifted {PML}},
+	Shifted {PML}},
   journal = {IEEE Transactions on Antennas and Propagation},
   year = {2010},
   volume = {58},
@@ -5030,8 +5029,8 @@
 @ARTICLE{GeOh94,
   author = {R. J. Geller and T. Ohminato},
   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},
+	for heterogeneous media with arbitrary natural boundary conditions
+	using the {D}irect {S}olution {M}ethod},
   journal = gji,
   year = {1994},
   volume = {116},
@@ -5040,9 +5039,9 @@
 
 @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},
+	M\'{e}haut and Alexey Neelov and Stefan Goedecker},
   title = {Density functional theory calculation on many-cores hybrid central
-      processing unit-graphic processing unit architectures},
+	processing unit-graphic processing unit architectures},
   journal = {Journal of Chemical Physics},
   year = {2009},
   volume = {131},
@@ -5063,7 +5062,7 @@
 @ARTICLE{GeRe09,
   author = {C. Geuzaine and J. F. Remacle},
   title = {Gmsh: a three-dimensional finite element mesh generator with built-in
-      pre- and post-processing facilities},
+	pre- and post-processing facilities},
   journal = ijnme,
   year = {2009},
   volume = {79},
@@ -5085,7 +5084,7 @@
 @ARTICLE{gilbertdziewonski1975,
   author = {F. Gilbert and A. M. Dziewo\'nski},
   title = {An Application of Normal Mode Theory to the Retrieval of Structural
-      Parameters and Source Mechanisms from Seismic Spectra},
+	Parameters and Source Mechanisms from Seismic Spectra},
   journal = {Philos. Trans. R. Soc. London A},
   year = {1975},
   volume = {278},
@@ -5128,19 +5127,10 @@
   pages = {299-319}
 }
 
- at ARTICLE{gillmandjellouliamara2006,
-  author = {A. Gillman and R. Djellouli and M. Amara},
-  title = {A Mixed Hybrid Formulation Based on Oscillated Finite Element Polynomials
-      for Solving {H}elmholtz Problems},
-  journal = {Journal of Computational and Applied Mathematics},
-  year = {2006},
-  note = {Accepted in February 2006}
-}
-
 @ARTICLE{GiHeWa02,
   author = {F. X. Giraldo and J. S. Hesthaven and T. Warburton},
   title = {Nodal High-Order Discontinuous {G}alerkin Methods for the Spherical
-      Shallow Water Equations},
+	Shallow Water Equations},
   journal = jcp,
   year = {2002},
   volume = {181},
@@ -5152,7 +5142,7 @@
 @ARTICLE{GiWa05,
   author = {F. X. Giraldo and T. Warburton},
   title = {A nodal triangle-based spectral element method for the shallow water
-      equations on the sphere},
+	equations on the sphere},
   journal = jcp,
   year = {2005},
   volume = {207},
@@ -5248,18 +5238,18 @@
 @INPROCEEDINGS{GlLaRaTe90,
   author = {R. Glowinski and W. Lawton and M. Ravachol and E. Tenebaum},
   title = {Wavelet solution of linear and nonlinear elliptic, parabolic and
-      hyperbolic problems in one space dimension},
+	hyperbolic problems in one space dimension},
   booktitle = {Proceedings of the 9th International Conference on Numerical Methods
-      in Applied Sciences and Engineering},
+	in Applied Sciences and Engineering},
   year = {1990},
   address = {SIAM, Philadelphia}
 }
 
 @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},
+	C. Smerzini and F. J. S\'anchez-Sesma and R. Madec and Dimitri Komatitsch},
   title = {Numerical simulation of ground rotations along {2D} topographical
-      profiles under the incidence of elastic plane waves},
+	profiles under the incidence of elastic plane waves},
   journal = bssa,
   year = {2009},
   volume = {99},
@@ -5280,13 +5270,13 @@
 
 @INPROCEEDINGS{Goodnight:2003:AMS,
   author = {Nolan Goodnight and Cliff Woolley and Gregory Lewin and David P.
-      Luebke and Greg Humphreys},
+	Luebke and Greg Humphreys},
   title = {A Multigrid Solver for Boundary Value Problems Using Programmable
-      Graphics Hardware},
+	Graphics Hardware},
   booktitle = {Graphics Hardware 2003},
   year = {2003},
   editor = {Michael Doggett and Wolfgang Heidrich and William R. Mark and Andreas
-      Schilling},
+	Schilling},
   pages = {102--111},
   month = jul
 }
@@ -5295,7 +5285,7 @@
   author = {W. J. Gordon and C. A. Hall},
   title = {Geometric aspects of the finite element method},
   booktitle = {Mathematical Foundations of the Finite Element Method with Applications
-      to Partial Differential Equations},
+	to Partial Differential Equations},
   year = {1972},
   editor = {A. K. Aziz},
   pages = {769-784},
@@ -5337,7 +5327,7 @@
 @PHDTHESIS{cgthesis,
   author = {C. Gout},
   title = {Etude de changements d'\'echelle en approximation - ajustement spline
-      sur des morceaux de surfaces},
+	sur des morceaux de surfaces},
   school = {Universit\'e de Pau et des Pays de l'Adour},
   year = {1997},
   address = {Pau, France},
@@ -5355,7 +5345,7 @@
 @ARTICLE{GoKo00,
   author = {C. Gout and D. Komatitsch},
   title = {Surface fitting of rapidly varying data using rank coding: application
-      to geophysical surfaces},
+	to geophysical surfaces},
   journal = {Math. Geol.},
   year = {2000},
   volume = {32},
@@ -5367,7 +5357,7 @@
 @ARTICLE{GoVi03,
   author = {C. Gout and S. Vieira-Test\'e},
   title = {An algorithm for segmentation under interpolation conditions using
-      deformable models},
+	deformable models},
   journal = {Int. J. Comput. Math.},
   year = {2003},
   volume = {80},
@@ -5387,7 +5377,7 @@
 @INCOLLECTION{Gra99,
   author = {R. W. Graves},
   title = {Three-dimensional computer simulations of realistic earthquake ground
-      motions in regions of deep sedimentary basin},
+	motions in regions of deep sedimentary basin},
   booktitle = {The Effects of Surface Geology on Seismic Motion},
   publisher = {Balkema},
   year = {1999},
@@ -5400,7 +5390,7 @@
 @ARTICLE{Gra96,
   author = {R. W. Graves},
   title = {Simulating seismic wave propagation in 3{D} elastic media using staggered-grid
-      finite differences},
+	finite differences},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -5411,7 +5401,7 @@
 @INPROCEEDINGS{Gra96b,
   author = {R. W. Graves},
   title = {Simulating realistic earthquake ground motions in regions of deep
-      sedimentary basins},
+	sedimentary basins},
   booktitle = {Proceedings of the 11th World Conference on Earthquake Engineering},
   year = {1996},
   address = {Acapulco, Mexico}
@@ -5429,7 +5419,7 @@
 @ARTICLE{GrZa10,
   author = {Michael Griebel and Peter Zaspel},
   title = {A multi-{GPU} accelerated solver for the three-dimensional two-phase
-      incompressible {N}avier-{S}tokes equations},
+	incompressible {N}avier-{S}tokes equations},
   journal = {Computer Science Research and Development},
   year = {2010},
   volume = {25},
@@ -5450,7 +5440,7 @@
 @ARTICLE{GrLuDoSk96,
   author = {W. Gropp and E. Lusk and N. Doss and A. Skjellum},
   title = {A high-performance, portable implementation of the {MPI} message
-      passing interface standard},
+	passing interface standard},
   journal = {Parallel Computing},
   year = {1996},
   volume = {22},
@@ -5460,7 +5450,7 @@
 
 @BOOK{GrLuSk94,
   title = {Using {MPI}, portable parallel programming with the {M}essage-{P}assing
-      {I}nterface},
+	{I}nterface},
   publisher = {MIT Press},
   year = {1994},
   author = {W. Gropp and E. Lusk and A. Skjellum},
@@ -5490,7 +5480,7 @@
 @ARTICLE{GuLi06,
   author = {Murthy N. Guddati and Keng Wit Lim},
   title = {Continued fraction absorbing boundary conditions for convex polygonal
-      domains},
+	domains},
   journal = ijnme,
   year = {2006},
   volume = {66},
@@ -5502,7 +5492,7 @@
 @ARTICLE{GuBa86b,
   author = {W. Gui and I. Babu\u{s}ka},
   title = {The {\it h}, {\it p} and {\it h-p} versions of the finite element
-      method in one dimension},
+	method in one dimension},
   journal = {Numer. Math.},
   year = {1986},
   volume = {49},
@@ -5540,7 +5530,7 @@
 @ARTICLE{LeGuApGo05,
   author = {C. Le Guyader and D. Apprato and C. Gout},
   title = {Using a level set approach for image segmentation under interpolation
-      conditions},
+	conditions},
   journal = {Numer. Algorithms},
   year = {2005},
   volume = {39},
@@ -5550,7 +5540,7 @@
 @PHDTHESIS{Goeddeke:2010:FAA,
   author = {Dominik G{\"o}ddeke},
   title = {Fast and Accurate Finite-Element Multigrid Solvers for {PDE} Simulations
-      on {GPU} Clusters},
+	on {GPU} Clusters},
   school = {{T}echnische {U}niversit{\"a}t Dortmund, {F}akult{\"a}t f{\"u}r {M}athematik},
   year = {2010},
   month = may,
@@ -5559,9 +5549,9 @@
 
 @INPROCEEDINGS{Goeddeke:2009:GAO,
   author = {Dominik G{\"o}ddeke and Sven H.M. Buijssen and Hilmar Wobker and
-      Stefan Turek},
+	Stefan Turek},
   title = {{GPU} Acceleration of an Unmodified Parallel Finite Element {N}avier-{S}tokes
-      Solver},
+	Solver},
   booktitle = {High Performance Computing \& Simulation 2009},
   year = {2009},
   editor = {Waleed W. Smari and John P. McIntire},
@@ -5572,9 +5562,9 @@
 
 @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},
+	Mohd-Yusof and Patrick S. McCormick and Stefan Turek},
   title = {Co-Processor Acceleration of an Unmodified Parallel Solid Mechanics
-      Code with {FEASTGPU}},
+	Code with {FEASTGPU}},
   journal = {International Journal of Computational Science and Engineering},
   year = {2009},
   volume = {4},
@@ -5584,14 +5574,6 @@
   editor = {Hans Petter Langtangen and Michael Thun{\'e}}
 }
 
- at ARTICLE{barucqduquetprat2006,
-  author = {H. Barucq, B. Duquet and F. Prat},
-  title = {True-amplitude one way propagation in heterogeneous media},
-  journal = {J. of Scientific Computing},
-  year = {2006},
-  note = {Submitted, available at lma.univ-pau.fr/publis/publis\_pre.php}
-}
-
 @ARTICLE{Hor2,
   author = {L. H\o{}rmander},
   title = {Pseudo-differential Operators and Non Elliptic Boundary Problems},
@@ -5628,7 +5610,7 @@
 
 @ARTICLE{Hager85,
   author = {Hager, B. H. and R. W. Clayton and M. A. Richards and R. P. Comer
-      and A. M. Dziewo\'nski},
+	and A. M. Dziewo\'nski},
   title = {Lower mantle heterogeneity, dynamic topography and the geoid},
   journal = {Nature},
   year = {1985},
@@ -5639,12 +5621,12 @@
 @INPROCEEDINGS{Hag03,
   author = {T. Hagstrom},
   title = {Perfectly matched layers for hyperbolic systems with applications
-      to the linearized {E}uler equations},
+	to the linearized {E}uler equations},
   booktitle = {Mathematical and Numerical Aspects of Wave Propagation: Waves 2003},
   year = {2003},
   editor = {Gary Cohen and Erkki Heikkola and Patrick Joly and Pekka Neittaanm\"aki},
   series = {Proceedings of the Sixth International Conference on Mathematical
-      and Numerical Aspects of Wave Propagation},
+	and Numerical Aspects of Wave Propagation},
   pages = {125-129},
   address = {Jyv\"askyl\"a, Finland},
   publisher = {Springer-Verlag}
@@ -5662,7 +5644,7 @@
 @ARTICLE{HaHa98,
   author = {T. Hagstrom and S. I. Hariharan},
   title = {A formulation of asymptotic and exact boundary conditions using local
-      operators},
+	operators},
   journal = {Appl. Num. Math.},
   year = {1998},
   volume = {27},
@@ -5683,7 +5665,7 @@
 @ARTICLE{HalHelene,
   author = {L. Halpern},
   title = {Artificial boundary conditions for incompletely parabolic perturbations
-      of hyperbolic systems},
+	of hyperbolic systems},
   journal = {SIAM Journal on Numerical Analysis},
   year = {1991},
   volume = {22},
@@ -5694,7 +5676,7 @@
 @ARTICLE{HaOuVe78,
   author = {M. A. Hamdi and Y. Ousset and G. Verchery},
   title = {A displacement method for the analysis of vibrations of coupled fluid-structure
-      systems},
+	systems},
   journal = ijnme,
   year = {1978},
   volume = {13},
@@ -5704,8 +5686,8 @@
 @ARTICLE{HaKoGi10,
   author = {Shravan M. Hanasoge and Dimitri Komatitsch and Laurent Gizon},
   title = {An absorbing boundary formulation for the stratified, linearized,
-      ideal {MHD} equations based on an unsplit, convolutional perfectly
-      matched layer},
+	ideal {MHD} equations based on an unsplit, convolutional perfectly
+	matched layer},
   journal = {Astronomy and Astrophysics},
   year = {2010},
   volume = {522},
@@ -5726,7 +5708,7 @@
 @ARTICLE{Haetal91,
   author = {T. Hara and S. Tsuboi and R.J. Geller},
   title = {Inversion for laterally heterogeneous {E}arth structure using a laterally
-      heterogeneous starting model: preliminary results},
+	heterogeneous starting model: preliminary results},
   journal = gji,
   year = {1991},
   volume = {104},
@@ -5745,7 +5727,7 @@
 @ARTICLE{HaSlTu00,
   author = {I. Harari and M. Slavutin and E. Turkel},
   title = {Analytical and numerical studies of a finite element {PML} for the
-      {H}elmholtz equation},
+	{H}elmholtz equation},
   journal = jca,
   year = {2000},
   volume = {8},
@@ -5755,7 +5737,7 @@
 
 @BOOK{Har88,
   title = {Elastic waves in solids, with application to non destructive testing
-      of pipelines},
+	of pipelines},
   publisher = {British Gas Editions},
   year = {1988},
   author = {A. H. Harker},
@@ -5781,9 +5763,9 @@
 
 @ARTICLE{HaHaFrCaCrMeMi98,
   author = {S. Hartzell and S. Harmsen and A. Frankel and D. Carver and E. Cranswick
-      and M. Meremonte and J. Michael},
+	and M. Meremonte and J. Michael},
   title = {First-generation site-response maps for the {L}os {A}ngeles region
-      based on earthquake ground motions},
+	based on earthquake ground motions},
   journal = bssa,
   year = {1998},
   volume = {88},
@@ -5793,7 +5775,7 @@
 @ARTICLE{HaCaKi94,
   author = {S. H. Hartzell and D. L. Carver and K. W. King},
   title = {Initial investigation of site and topographic effects at {R}obinwood
-      ridge, {C}alifornia},
+	ridge, {C}alifornia},
   journal = bssa,
   year = {1994},
   volume = {84},
@@ -5803,7 +5785,7 @@
 @ARTICLE{HaLeFrMi96,
   author = {S. H. Hartzell and A. Leeds and A. Frankel and J. Michael},
   title = {Site response for urban {L}os {A}ngeles using aftershocks of the
-      {N}orthridge earthquake},
+	{N}orthridge earthquake},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -5814,7 +5796,7 @@
 @ARTICLE{HaScBr96,
   author = {F. D. Hastings and J. B. Schneider and S. L. Broschat},
   title = {Application of the {P}erfectly {M}atched {L}ayer {(PML)} absorbing
-      boundary condition to elastic wave propagation},
+	boundary condition to elastic wave propagation},
   journal = jasa,
   year = {1996},
   volume = {100},
@@ -5825,7 +5807,7 @@
 @ARTICLE{hauksson2000,
   author = {E. Hauksson},
   title = {Crustal structure and seismicity distribution adjacent to the {P}acific
-      and {N}orth {A}merica plate boundary in {S}outhern {C}alifornia},
+	and {N}orth {A}merica plate boundary in {S}outhern {C}alifornia},
   journal = jgr,
   year = {2000},
   volume = {105},
@@ -5844,7 +5826,7 @@
 @ARTICLE{HaHa97,
   author = {E. Hauksson and J. S. Haase},
   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},
+	{L}os {A}ngeles basin and central {T}ransverse {R}anges, {C}alifornia},
   journal = jgr,
   year = {1997},
   volume = {102},
@@ -5854,7 +5836,7 @@
 @ARTICLE{HaTeHe87,
   author = {E. Hauksson and T. L. Teng and T. L. Henyey},
   title = {Results from a 1500~m deep, three-level downhole seismometer array:
-      site response, low {$Q$} values, and $f_{max}$},
+	site response, low {$Q$} values, and $f_{max}$},
   journal = bssa,
   year = {1987},
   volume = {77},
@@ -5864,7 +5846,7 @@
 @TECHREPORT{HaKeLe02,
   author = {P. Hav\'e and M. Kern and Ch. Lemuet},
   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},
+	d'\'el\'ements finis d'ordre \'elev\'e sur calculateur parall\`ele},
   institution = {INRIA},
   year = {2002},
   number = {RR 4381},
@@ -5921,7 +5903,7 @@
 @INCOLLECTION{HeKa93,
   author = {R. D. Henderson and G. E. Karniadakis},
   title = {Unstructured spectral element methods for the incompressible {N}avier-{S}tokes
-      equations},
+	equations},
   booktitle = {Finite elements in fluids},
   publisher = {Pineridge Press},
   year = {1993},
@@ -5932,7 +5914,7 @@
 @ARTICLE{Hest98,
   author = {J. S. Hesthaven},
   title = {From electrostatics to almost optimal nodal sets for polynomial interpolation
-      in a simplex},
+	in a simplex},
   journal = {SIAM Journal on Numerical Analysis},
   year = {1998},
   volume = {35},
@@ -5942,7 +5924,7 @@
 @ARTICLE{Hest98b,
   author = {J. S. Hesthaven},
   title = {On the analysis and construction of perfectly matched layers for
-      the linearized {E}uler equations},
+	the linearized {E}uler equations},
   journal = jcp,
   year = {1998},
   volume = {142},
@@ -5997,7 +5979,7 @@
 
 @BOOK{Hij87,
   title = {Propagation of transient elastic waves in stratified anisotropic
-      media},
+	media},
   publisher = {North-Holland, Amsterdam, The Netherlands},
   year = {1987},
   author = {van der Hijden, J. H. M. T.}
@@ -6006,7 +5988,7 @@
 @ARTICLE{hilletal1993,
   author = {D. P. Hill and {et al.}},
   title = {Seismicity remotely triggered by the magnitude~7.3 {L}anders, {C}alifornia
-      earthquake},
+	earthquake},
   journal = {Science},
   year = {1993},
   volume = {260},
@@ -6016,7 +5998,7 @@
 @ARTICLE{HoRo94,
   author = {L. W. Ho and E. M. R{\o}nquist},
   title = {Spectral-Element Solution of Steady Incompressible Viscous Free-Surface
-      Flows},
+	Flows},
   journal = {Finite Elements in Analysis and Design},
   year = {1994},
   volume = {16},
@@ -6026,7 +6008,7 @@
 @ARTICLE{Hol87,
   author = {O. Holberg},
   title = {Computational aspects of the choice of operator and sampling interval
-      for numerical differentiation in large-scale simulation of wave phenomena},
+	for numerical differentiation in large-scale simulation of wave phenomena},
   journal = gp,
   year = {1987},
   volume = {35},
@@ -6054,7 +6036,7 @@
 @ARTICLE{dehoop3,
   author = {M. V. De Hoop and J. H. Le Rousseau},
   title = {Scalar Generalized-Screen Algorithms in Transversely Isotropic Media
-      with a Vertical Symmetry Axis},
+	with a Vertical Symmetry Axis},
   journal = {Geophysics},
   year = {2001},
   volume = {66},
@@ -6065,7 +6047,7 @@
 @ARTICLE{dehoop2000,
   author = {M. V. De Hoop and J. H. Le Rousseau and R. S. Wu},
   title = {Generalization of the phase-screen approximation for the scattering
-      of acoustic waves},
+	of acoustic waves},
   journal = {Wave Motion},
   year = {2000},
   volume = {31},
@@ -6075,7 +6057,7 @@
 @ARTICLE{dehoop2,
   author = {M. V. De Hoop and C. Spencer and R. Burridge},
   title = {The Resolving Power of Seismic Amplitude Data: An Isotropic Inversion/Migration
-      Approach},
+	Approach},
   journal = geophysics,
   year = {1999},
   volume = {64},
@@ -6085,7 +6067,7 @@
 @ARTICLE{HoUeTa90,
   author = {M. Horike and H. Uebayashi and T. Takeuchi},
   title = {Seismic response in three dimensional sedimentary basin due to plane
-      {{\it S}} wave incidence},
+	{{\it S}} wave incidence},
   journal = {J. Phys. Earth},
   year = {1990},
   volume = {38},
@@ -6112,7 +6094,7 @@
 @ARTICLE{Hu01,
   author = {Fang Q. Hu},
   title = {A Stable Perfectly Matched Layer for Linearized {E}uler Equations
-      in Unsplit Physical Variables},
+	in Unsplit Physical Variables},
   journal = jcp,
   year = {2001},
   volume = {173},
@@ -6124,7 +6106,7 @@
 @ARTICLE{HuHuRa99,
   author = {Hu, Fang Q. and Hussaini, M. Y. and Rasetarinera, Patrick},
   title = {An analysis of the discontinuous {G}alerkin method for wave propagation
-      problems},
+	problems},
   journal = jcp,
   year = {1999},
   volume = {151},
@@ -6163,7 +6145,7 @@
 @ARTICLE{HuKn64a,
   author = {J. A. Hudson and L. Knopoff},
   title = {Transmission and reflection of surface waves at a corner, part 1:
-      {L}ove waves},
+	{L}ove waves},
   journal = jgr,
   year = {1964},
   volume = {69},
@@ -6173,7 +6155,7 @@
 @ARTICLE{HuKn64b,
   author = {J. A. Hudson and L. Knopoff},
   title = {Transmission and reflection of surface waves at a corner, part 2:
-      {R}ayleigh waves (theoretical)},
+	{R}ayleigh waves (theoretical)},
   journal = jgr,
   year = {1964},
   volume = {69},
@@ -6183,7 +6165,7 @@
 @ARTICLE{Hud96,
   author = {J. A. Hudson and E. Liu and S. Crampin},
   title = {The mechanical properties of materials with interconnected cracks
-      and pores},
+	and pores},
   journal = gji,
   year = {1996},
   volume = {124},
@@ -6193,7 +6175,7 @@
 @ARTICLE{HuYe95,
   author = {G. J. Huftile and R. S. Yeats},
   title = {Convergence rates across a displacement transfer zone in the western
-      {T}ransverse {R}anges, {V}entura Basin, {C}alifornia},
+	{T}ransverse {R}anges, {V}entura Basin, {C}alifornia},
   journal = jgr,
   year = {1995},
   volume = {100},
@@ -6203,7 +6185,7 @@
 
 @BOOK{Hug87,
   title = {The finite element method, linear static and dynamic finite element
-      analysis},
+	analysis},
   publisher = {Prentice-Hall International},
   year = {1987},
   author = {Thomas J. R. Hughes},
@@ -6213,7 +6195,7 @@
 @ARTICLE{HuFeHa87,
   author = {T. J. R. Hughes and R. M. Ferencz and J. O. Hallquist},
   title = {Large-scale vectorized implicit calculations in solid mechanics on
-      a {Cray X-MP/48} utilizing {EBE} preconditioned conjugate gradients},
+	a {Cray X-MP/48} utilizing {EBE} preconditioned conjugate gradients},
   journal = cmame,
   year = {1987},
   volume = {61},
@@ -6224,7 +6206,7 @@
 @ARTICLE{HuHu88,
   author = {T. J. R. Hughes and G. M. Hulbert},
   title = {Space-time finite element methods for elastodynamics, formulation
-      and error estimates},
+	and error estimates},
   journal = cmame,
   year = {1988},
   volume = {66},
@@ -6252,7 +6234,7 @@
 @ARTICLE{HuCh92,
   author = {G. M. Hulbert and J. Chung},
   title = {A new explicit time integration method for structural dynamics: the
-      explicit generalized $\alpha$-method},
+	explicit generalized $\alpha$-method},
   journal = {New Methods in Transient Analysis},
   year = {1992},
   volume = {143},
@@ -6270,10 +6252,10 @@
 
 @INCOLLECTION{HuPrDuKeMa06,
   author = {John R. Humphrey and Daniel K. Price and James P. Durbano and Eric
-      J. Kelmelis and Richard D. Martin},
+	J. Kelmelis and Richard D. Martin},
   title = {High performance {2D} and {3D FDTD} solvers on {GPU}s},
   booktitle = {Proceedings of the 10th WSEAS International Conference on Applied
-      Mathematics},
+	Mathematics},
   publisher = {World Scientific and Engineering Academy and Society (WSEAS)},
   year = {2006},
   pages = {547-550},
@@ -6283,7 +6265,7 @@
 @ARTICLE{HuFo98,
   author = {S. H. Hung and D. Forsyth},
   title = {Modelling anisotropic wave propagation in oceanic inhomogeneous structures
-      using the parallel multidomain pseudo-spectral method},
+	using the parallel multidomain pseudo-spectral method},
   journal = gji,
   year = {1998},
   volume = {133},
@@ -6294,7 +6276,7 @@
 @ARTICLE{HurTewRic01,
   author = {D. C. Hurley and V. K. Tewary and A. J. Richards},
   title = {Surface acoustic wave methods to determine the anisotropic elastic
-      properties of thin films},
+	properties of thin films},
   journal = {Measurement Science Technology},
   year = {2001},
   volume = {12},
@@ -6314,7 +6296,7 @@
 @ARTICLE{HeSa06,
   author = {Pascal H{\'e}non and Yousef Saad},
   title = {A Parallel Multistage {ILU} Factorization Based on a Hierarchical
-      Graph Decomposition},
+	Graph Decomposition},
   journal = {SIAM Journal of Scientific Computing},
   year = {2006},
   volume = {28},
@@ -6325,7 +6307,7 @@
 @ARTICLE{ianculescuthompson2006,
   author = {C. Ianculescu and L. L. Thompson},
   title = {Parallel iterative solution for the {H}elmholtz equation with exact
-      non-reflecting boundary conditions},
+	non-reflecting boundary conditions},
   journal = cmame,
   year = {2006},
   volume = {195},
@@ -6334,9 +6316,9 @@
 
 @ARTICLE{IcDaMaPrVeEd96,
   author = {G. A. Ichinose and S. M. Day and H. Magistrale and T. Prush and F.
-      Vernon and A. Edelman},
+	Vernon and A. Edelman},
   title = {Crustal thickness variations beneath the {P}eninsular {R}anges, southern
-      {C}alifornia},
+	{C}alifornia},
   journal = grl,
   year = {1996},
   volume = {23},
@@ -6346,7 +6328,7 @@
 @ARTICLE{Ig99,
   author = {H. Igel},
   title = {Wave propagation in three-dimensional spherical sections by the {C}hebyshev
-      spectral method},
+	spectral method},
   journal = gji,
   year = {1999},
   volume = {136},
@@ -6364,7 +6346,7 @@
 @ARTICLE{IgGe00,
   author = {H. Igel and R. J. Geller},
   title = {Numerical modeling of global seismic wave propagation: algorithms,
-      accuracy, verification},
+	accuracy, verification},
   journal = pepi,
   year = {2000},
   volume = {119},
@@ -6384,7 +6366,7 @@
 @ARTICLE{IgWe96,
   author = {H. Igel and M. Weber},
   title = {{P-SV} wave propagation in the whole mantle using high-order finite
-      differences: application to lowermost mantle structure},
+	differences: application to lowermost mantle structure},
   journal = grl,
   year = {1996},
   volume = {23},
@@ -6394,7 +6376,7 @@
 @ARTICLE{IgWe95,
   author = {H. Igel and M. Weber},
   title = {{SH}-wave propagation in the whole mantle using high-order finite
-      differences},
+	differences},
   journal = grl,
   year = {1995},
   volume = {22},
@@ -6424,10 +6406,10 @@
 
 @INPROCEEDINGS{InElMaBa07,
   author = {Inman, M. J. and Elsherbeni, A. Z. and Maloney, J. G. and Baker,
-      B. N.},
+	B. N.},
   title = {{GPU} based {FDTD} solver with {CPML} boundaries},
   booktitle = {Proceedings of the 2007 IEEE Antennas and Propagation Society International
-      Symposium},
+	Symposium},
   year = {2007},
   pages = {5255-5258},
   address = {Honolulu, Hawaii, USA},
@@ -6458,9 +6440,9 @@
 @ARTICLE{IwHaKaIr96,
   author = {T. Iwata and K. Hatayama and H. Kawase and K. Irikura},
   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},
+	{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},
   journal = {J. Phys. Earth},
   year = {1996},
   volume = {44},
@@ -6470,7 +6452,7 @@
 @PHDTHESIS{Jon02,
   author = {S. J\'onsson},
   title = {Modeling volcano and earthquake deformation from satellite {R}adar
-      interferometric observations},
+	interferometric observations},
   school = {Stanford University},
   year = {2002},
   address = {California}
@@ -6479,7 +6461,7 @@
 @ARTICLE{JaJiGeLo06,
   author = {R. K. Jaiman and X. Jiao and P. H. Geubelle and E. Loth},
   title = {Conservative load transfer along curved fluid-solid interface with
-      non-matching meshes},
+	non-matching meshes},
   journal = jcp,
   year = {2006},
   volume = {218},
@@ -6526,7 +6508,7 @@
 @INCOLLECTION{Jen75,
   author = {P. Jennings},
   title = {Fault map of {C}alifornia with volcanoes, thermal springs and thermal
-      wells at 1:750,000 scale},
+	wells at 1:750,000 scale},
   booktitle = {Geological Data Map 1},
   publisher = {California Division of Mines and Geology},
   year = {1975},
@@ -6543,10 +6525,10 @@
 
 @INPROCEEDINGS{Jensen2008,
   author = {F. B. Jensen and P. L. Nielsen and M. Zampolli and M. D. Collins
-      and W. L. Siegmann},
+	and W. L. Siegmann},
   title = {Benchmark scenarios for range-dependent seismo-acoustic models},
   booktitle = {Proceedings of the 8th International Conference on Theoretical and
-      Computational Acoustics (ICTCA)},
+	Computational Acoustics (ICTCA)},
   year = {2007},
   editor = {M. Taroudakis and P. Papadakis}
 }
@@ -6554,7 +6536,7 @@
 @ARTICLE{JiHeWa04,
   author = {Chen Ji and Don V. Helmberger and David J. Wald},
   title = {A Teleseismic Study of the 2002 {D}enali Fault, {A}laska, Earthquake
-      and Implications for Rapid Strong-Motion Estimation},
+	and Implications for Rapid Strong-Motion Estimation},
   journal = {Earthquake Spectra},
   year = {2004},
   volume = {20},
@@ -6565,7 +6547,7 @@
 @ARTICLE{JiHeWa2000,
   author = {C. Ji and D. V. Helmberger and D. J. Wald},
   title = {Basin structure estimation by waveform modeling: forward and inverse
-      methods},
+	methods},
   journal = bssa,
   year = {2000},
   volume = {90},
@@ -6586,7 +6568,7 @@
 @ARTICLE{Ji2002a,
   author = {C. Ji and D. J. Wald and D. V. Helmberger},
   title = {Source description of the 1999 {Hector Mine, California} earthquake;
-      {Part I: Wavelet} Domain Inversion Theory and Resolution Analysis},
+	{Part I: Wavelet} Domain Inversion Theory and Resolution Analysis},
   journal = bssa,
   year = {2002},
   volume = {92},
@@ -6596,7 +6578,7 @@
 @ARTICLE{Jia99,
   author = {Zhang Jianfeng},
   title = {Quadrangle-grid velocity-stress finite difference method for poroelastic
-      wave equations},
+	wave equations},
   journal = gji,
   year = {1999},
   volume = {139},
@@ -6606,7 +6588,7 @@
 @ARTICLE{JiWaBe95,
   author = {W. Jiao and T. C. Wallace and S. L. Beck},
   title = {Evidence for static displacements from the {J}une 9, 1994 deep {B}olivian
-      earthquake},
+	earthquake},
   journal = grl,
   year = {1995},
   volume = {22},
@@ -6617,7 +6599,7 @@
 @ARTICLE{JiMcDe88,
   author = {R. S. Jih and K. L. McLaughlin and Z. A Der},
   title = {Free-boundary conditions of arbitrary polygonal topography in a two-dimensional
-      explicit elastic finite-difference scheme},
+	explicit elastic finite-difference scheme},
   journal = geophysics,
   year = {1988},
   volume = {53},
@@ -6636,7 +6618,7 @@
 @ARTICLE{JoGaDiRo77,
   author = {N. Jobert and R. Gaulon and A. Dieulin and G. Roult},
   title = {Sur les ondes de tr\`es longue p\'eriode, caract\'eristiques du manteau
-      sup\'erieur},
+	sup\'erieur},
   journal = {Comptes rendus Acad. Sci. Paris},
   year = {1977},
   volume = {S\'erie B, 285},
@@ -6646,7 +6628,7 @@
 @ARTICLE{JoHuMaJo92,
   author = {Z. Johan and T. J. R. Hughes and K. K. Mathur and S. L. Johnsson},
   title = {A data parallel finite element method for computational fluid dynamics
-      on the {C}onnection {M}achine system},
+	on the {C}onnection {M}achine system},
   journal = cmame,
   year = {1992},
   volume = {99},
@@ -6656,7 +6638,7 @@
 @ARTICLE{JoMaJoHu94,
   author = {Z. Johan and K. K. Mathur and S. L. Johnsson and T. J. R. Hughes},
   title = {An efficient communications strategy for finite element methods on
-      the {C}onnection {Machine} {CM-5} system},
+	the {C}onnection {Machine} {CM-5} system},
   journal = cmame,
   year = {1994},
   volume = {113},
@@ -6683,7 +6665,7 @@
 @ARTICLE{JoMaPe94,
   author = {P. Joly and Y. Maday and V. Perrier},
   title = {Towards a method for solving partial differential equations by using
-      wavelet packet bases},
+	wavelet packet bases},
   journal = cmame,
   year = {1994},
   volume = {116},
@@ -6693,7 +6675,7 @@
 @ARTICLE{Jordan2,
   author = {P. M. Jordan},
   title = {{C}omment on \textit{{E}xact Constructions of Square-root {H}elmholtz
-      Operator Symbols: The Focusing Quadratic Profile}},
+	Operator Symbols: The Focusing Quadratic Profile}},
   journal = {J. Math. Phys.},
   year = {2000},
   volume = {42},
@@ -6702,11 +6684,11 @@
 
 @INPROCEEDINGS{JoJiLaGiCa03,
   author = {Gabriele Jost and Haoquian Jin and Jesus Labarta and Judit Gim\'enez
-      and Jordi Caubet},
+	and Jordi Caubet},
   title = {Performance Analysis of Multilevel Parallel Applications on Shared
-      Memory Architectures},
+	Memory Architectures},
   booktitle = {Proceedings of the IPDPS'2003 International Parallel and Distributed
-      Processing Symposium},
+	Processing Symposium},
   year = {2003},
   pages = {80.2},
   address = {Nice, France},
@@ -6728,7 +6710,7 @@
 @ARTICLE{KaDu08,
   author = {Martin K\"aser and Michael Dumbser},
   title = {A Highly Accurate Discontinuous {G}alerkin Method for Complex Interfaces
-      Between Solids and Moving Fluids},
+	Between Solids and Moving Fluids},
   journal = geophysics,
   year = {2008},
   volume = {73},
@@ -6740,8 +6722,8 @@
 @ARTICLE{KaDu06,
   author = {M. K\"aser and M. Dumbser},
   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},
+	waves on unstructured meshes-{I}. {T}he two-dimensional isotropic
+	case with external source terms},
   journal = gji,
   year = {2006},
   volume = {166},
@@ -6753,7 +6735,7 @@
 @ARTICLE{KaBi93,
   author = {L. F. Kallivokas and J. Bielak},
   title = {Time-domain analysis of transient structural acoustics problems based
-      on the finite element method and a novel boundary element},
+	on the finite element method and a novel boundary element},
   journal = jasa,
   year = {1993},
   volume = {94},
@@ -6764,7 +6746,7 @@
 @ARTICLE{KaSgKi95,
   author = {A. Kamel and P. Sguazzero and M. Kindelan},
   title = {Cost-effective staggered schemes for the numerical simulation of
-      wave propagation},
+	wave propagation},
   journal = ijnme,
   year = {1995},
   volume = {38},
@@ -6774,7 +6756,7 @@
 @ARTICLE{KaMaOrWe03,
   author = {C. Kane and J. E. Marsden and M. Ortiz and M. West},
   title = {Variational integrators and the {N}ewmark algorithm for conservative
-      and dissipative mechanical systems},
+	and dissipative mechanical systems},
   journal = ijnme,
   year = {2003},
   volume = {49},
@@ -6785,7 +6767,7 @@
 @ARTICLE{KaBa04,
   author = {Tae-Seob Kang and Chang-Eob Baag},
   title = {Finite-Difference Seismic Simulation Combining Discontinuous Grids
-      with Locally Variable Timesteps},
+	with Locally Variable Timesteps},
   journal = bssa,
   year = {2004},
   volume = {94},
@@ -6816,7 +6798,7 @@
 @ARTICLE{KaKu98a,
   author = {George Karypis and Vipin Kumar},
   title = {A Fast and High-Quality Multilevel Scheme for Partitioning Irregular
-      Graphs},
+	Graphs},
   journal = {SIAM Journal on Scientific Computing},
   year = {1998},
   volume = {20},
@@ -6837,7 +6819,7 @@
 @ARTICLE{KaKu98c,
   author = {George Karypis and Vipin Kumar},
   title = {A Parallel Algorithm for Multilevel Graph Partitioning and Sparse
-      Matrix Ordering},
+	Matrix Ordering},
   journal = {Journal of Parallel and Distributed Computing},
   year = {1998},
   volume = {48},
@@ -6857,7 +6839,7 @@
 @INPROCEEDINGS{KaAn02,
   author = {Theodoros K. Katsibas and Christos S. Antonopoulos},
   title = {An efficient {PML} absorbing medium in {FDTD} simulations of acoustic
-      scattering in lossy media},
+	scattering in lossy media},
   booktitle = {Proceedings of the 2002 IEEE ultrasonics symposium},
   year = {2002},
   volume = {1},
@@ -6879,7 +6861,7 @@
 @ARTICLE{KaTaGe06,
   author = {K. Kawai and N. Takeuchi and R. J. Geller},
   title = {Complete synthetic seismograms up to 2~{H}z for transversely-isotropic
-      spherically-symmetric media},
+	spherically-symmetric media},
   journal = gji,
   year = {2006},
   volume = {164},
@@ -6891,8 +6873,8 @@
 @ARTICLE{Kaw88,
   author = {H. Kawase},
   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},
+	SV}}, {{\it P}} and {R}ayleigh waves calculated by the discrete wavenumber
+	boundary element method},
   journal = bssa,
   year = {1988},
   volume = {78},
@@ -6902,8 +6884,8 @@
 @ARTICLE{KaAk90,
   author = {H. Kawase and K. Aki},
   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},
+	explanation of damage pattern by the {W}hittier {N}arrows, {C}alifornia,
+	earthquake of 1 {O}ctober 1987},
   journal = bssa,
   year = {1990},
   volume = {80},
@@ -6913,8 +6895,8 @@
 @ARTICLE{KaAk89,
   author = {H. Kawase and K. Aki},
   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},
+	{{\it S}}, {{\it P}} and {R}ayleigh waves, with special reference
+	to the long duration observed in {M}exico {C}ity},
   journal = bssa,
   year = {1989},
   volume = {79},
@@ -6924,7 +6906,7 @@
 @ARTICLE{KaKr99,
   author = {I. Kay and E. S. Krebes},
   title = {Applying finite element analysis to the memory variable formulation
-      of wave propagation in anelastic media},
+	of wave propagation in anelastic media},
   journal = geophysics,
   year = {1999},
   volume = {64},
@@ -6943,7 +6925,7 @@
 @ARTICLE{KeSi96,
   author = {J. M. Kendall and P. G. Silver},
   title = {Constraints from seismic anisotropy on the nature of the lowermost
-      mantle},
+	mantle},
   journal = {Nature},
   year = {1996},
   volume = {381},
@@ -7018,7 +7000,7 @@
 @MISC{KiYa2002,
   author = {M. Kikuchi and Y. Yamanaka},
   title = {Source rupture process of the central {A}laska earthquake of {N}ovember
-      3, 2002, inferred from teleseismic body waves},
+	3, 2002, inferred from teleseismic body waves},
   year = {2002},
   note = {ERI, University of Tokyo, Japan, wwweic.eri.u-tokyo.ac.jp/EIC/EIC\_News/021103AL-e.html}
 }
@@ -7036,7 +7018,7 @@
   author = {Theodore Kim},
   title = {Hardware-Aware Analysis and Optimization of `{S}table {F}luids'},
   booktitle = {I3D '08: Proceedings of the 2008 symposium on Interactive 3D graphics
-      and games},
+	and games},
   year = {2008},
   pages = {99--106},
   doi = {10.1145/1342250.1342265}
@@ -7053,11 +7035,11 @@
 
 @INPROCEEDINGS{KiEnShShArStPhHw09,
   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},
+	T. Showerman and Galen W. Arnold and John E. Stone and James C. Phillips
+	and Wen{-}mei Hwu},
   title = {{GPU} Clusters for High-Performance Computing},
   booktitle = {Proceedings on the IEEE Cluster'2009 Workshop on Parallel Programming
-      on Accelerator Clusters (PPAC'09)},
+	on Accelerator Clusters (PPAC'09)},
   year = {2009},
   pages = {1-8},
   address = {New Orleans, Louisiana, USA},
@@ -7075,7 +7057,7 @@
 @INPROCEEDINGS{kiyashchenkoplessix2005,
   author = {D. A. Kiyashchenko and R. E. Plessix},
   title = {True amplitude multi-one-way migration: comparison of different imaging
-      principles},
+	principles},
   booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
   year = {2005},
   note = {75th international meeting of the SEG}
@@ -7122,7 +7104,7 @@
 @ARTICLE{Knu99,
   author = {Patrick M. Knupp},
   title = {Applications of mesh smoothing: copy, morph, and sweep on unstructured
-      quadrilateral meshes},
+	quadrilateral meshes},
   journal = ijnme,
   year = {1999},
   volume = {45},
@@ -7171,7 +7153,7 @@
 @ARTICLE{Kom11,
   author = {Dimitri Komatitsch},
   title = {Fluid-solid coupling on a cluster of {GPU} graphics cards for seismic
-      wave propagation},
+	wave propagation},
   journal = {C. R. Acad. Sci., Ser. IIb Mec.},
   year = {2011},
   volume = {339},
@@ -7182,9 +7164,9 @@
 @ARTICLE{Kom08,
   author = {Dimitri Komatitsch},
   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)}},
+	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)}},
   journal = jca,
   year = {2008},
   volume = {16},
@@ -7195,21 +7177,21 @@
 @PHDTHESIS{Kom03,
   author = {Dimitri Komatitsch},
   title = {Advanced numerical modeling in geophysics ({M}od\'elisation num\'erique
-      avanc\'ee pour la g\'eophysique)},
+	avanc\'ee pour la g\'eophysique)},
   school = {Universit\'e de Pau et des Pays de l'Adour},
   year = {2003},
   address = {Pau, France},
   month = {September},
   note = {Habilitation Thesis (Habilitation \`a {D}iriger des {R}echerches,
-      {H.D.R.}), 114 pages}
+	{H.D.R.}), 114 pages}
 }
 
 @PHDTHESIS{Kom97,
   author = {Dimitri Komatitsch},
   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)},
+	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)},
   school = {Institut de Physique du Globe},
   year = {1997},
   address = {Paris, France},
@@ -7220,7 +7202,7 @@
 @ARTICLE{KoBaTr00,
   author = {D. Komatitsch and C. Barnes and J. Tromp},
   title = {Wave propagation near a fluid-solid interface: a spectral element
-      approach},
+	approach},
   journal = geophysics,
   year = {2000},
   volume = {65},
@@ -7232,7 +7214,7 @@
 @ARTICLE{KoBaTr00b,
   author = {D. Komatitsch and C. Barnes and J. Tromp},
   title = {Simulation of anisotropic wave propagation based upon a spectral
-      element method},
+	element method},
   journal = geophysics,
   year = {2000},
   volume = {65},
@@ -7243,9 +7225,9 @@
 
 @ARTICLE{KoCaCaFa11,
   author = {Dimitri Komatitsch and Jos\'e Carcione and Fabio Cavallini and Nathalie
-      Favretto-Cristini},
+	Favretto-Cristini},
   title = {Elastic surface waves in crystals: {P}art {II} : Cross-check of two
-      full-wave numerical modeling methods},
+	full-wave numerical modeling methods},
   journal = {Ultrasonics},
   year = {2011},
   volume = {51},
@@ -7267,9 +7249,9 @@
 
 @ARTICLE{KoErGoMi10,
   author = {Dimitri Komatitsch and Gordon Erlebacher and Dominik G\"oddeke and
-      David Mich\'ea},
+	David Mich\'ea},
   title = {High-order finite-element seismic wave propagation modeling with
-      {MPI} on a large {GPU} cluster},
+	{MPI} on a large {GPU} cluster},
   journal = jcp,
   year = {2010},
   volume = {229},
@@ -7280,9 +7262,9 @@
 
 @ARTICLE{KoGoErMi10,
   author = {Dimitri Komatitsch and Dominik G\"oddeke and Gordon Erlebacher and
-      David Mich\'ea},
+	David Mich\'ea},
   title = {Modeling the propagation of elastic waves using spectral elements
-      on a cluster of 192 {GPU}s},
+	on a cluster of 192 {GPU}s},
   journal = {Computer Science Research and Development},
   year = {2010},
   volume = {25},
@@ -7294,7 +7276,7 @@
 @ARTICLE{KoLaMi08a,
   author = {Dimitri Komatitsch and Jes\'us Labarta and David Mich\'ea},
   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},
+	inner core of the {E}arth on 2166 processors of {M}are{N}ostrum},
   journal = lncs,
   year = {2008},
   volume = {5336},
@@ -7304,10 +7286,10 @@
 @INPROCEEDINGS{KoLaMi08b,
   author = {Dimitri Komatitsch and Jes\'us Labarta and David Mich\'ea},
   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},
+	wave propagation in the inner core of the {E}arth on {M}are{N}ostrum},
   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)},
+	(WCCM8) and the 5th. European Congress on Computational Methods in
+	Applied Sciences and Engineering (ECCOMAS 2008)},
   year = {2008},
   address = {Venice, Italy},
   note = {30 June - 4 July 2008}
@@ -7315,9 +7297,9 @@
 
 @ARTICLE{KoLiTrSuStSh04,
   author = {Dimitri Komatitsch and Qinya Liu and Jeroen Tromp and Peter S\"{u}ss
-      and Christiane Stidham and John H. Shaw},
+	and Christiane Stidham and John H. Shaw},
   title = {Simulations of Ground Motion in the {L}os {A}ngeles Basin based upon
-      the Spectral-Element Method},
+	the Spectral-Element Method},
   journal = bssa,
   year = {2004},
   volume = {94},
@@ -7329,7 +7311,7 @@
 @ARTICLE{KoMa07,
   author = {Dimitri Komatitsch and Roland Martin},
   title = {An unsplit convolutional {P}erfectly {M}atched {L}ayer improved at
-      grazing incidence for the seismic wave equation},
+	grazing incidence for the seismic wave equation},
   journal = geophysics,
   year = {2007},
   volume = {72},
@@ -7340,9 +7322,9 @@
 
 @ARTICLE{KoMaTrTaWi01,
   author = {D. Komatitsch and R. Martin and J. Tromp and M. A. Taylor and B.
-      A. Wingate},
+	A. Wingate},
   title = {Wave propagation in 2-{D} elastic media using a spectral element
-      method with triangles and quadrangles},
+	method with triangles and quadrangles},
   journal = jca,
   year = {2001},
   volume = {9},
@@ -7354,7 +7336,7 @@
 @ARTICLE{KoMiEr09,
   author = {Dimitri Komatitsch and David Mich\'ea and Gordon Erlebacher},
   title = {Porting a high-order finite-element earthquake modeling application
-      to {NVIDIA} graphics cards using {CUDA}},
+	to {NVIDIA} graphics cards using {CUDA}},
   journal = jpdc,
   year = {2009},
   volume = {69},
@@ -7377,7 +7359,7 @@
 @INCOLLECTION{KoTr02c,
   author = {D. Komatitsch and J. Tromp},
   title = {Propagaci{\'o}n de ondas s{\'\i}smicas en modelos de tierra global
-      3-{D} usando elementos espectrales},
+	3-{D} usando elementos espectrales},
   booktitle = {M\'etodos num\'ericos en ingenieria y ciencias aplicadas},
   publisher = {CIMNE},
   year = {2002},
@@ -7389,7 +7371,7 @@
 @ARTICLE{KoTr03,
   author = {D. Komatitsch and J. Tromp},
   title = {A {P}erfectly {M}atched {L}ayer absorbing boundary condition for
-      the second-order seismic wave equation},
+	the second-order seismic wave equation},
   journal = gji,
   year = {2003},
   volume = {154},
@@ -7401,7 +7383,7 @@
 @ARTICLE{KoTr02a,
   author = {D. Komatitsch and J. Tromp},
   title = {Spectral-Element Simulations of Global Seismic Wave Propagation{-I.
-      V}alidation},
+	V}alidation},
   journal = gji,
   year = {2002},
   volume = {149},
@@ -7413,7 +7395,7 @@
 @ARTICLE{KoTr02b,
   author = {D. Komatitsch and J. Tromp},
   title = {Spectral-Element Simulations of Global Seismic Wave Propagation{-II.
-      3-D} Models, Oceans, Rotation, and Self-Gravitation},
+	3-D} Models, Oceans, Rotation, and Self-Gravitation},
   journal = gji,
   year = {2002},
   volume = {150},
@@ -7422,14 +7404,15 @@
   doi = {10.1046/j.1365-246X.2002.01716.x}
 }
 
- at ARTICLE{KoTr01c,
+ at INPROCEEDINGS{KoTr01c,
   author = {D. Komatitsch and J. Tromp},
   title = {Modeling of seismic wave propagation at the scale of the {E}arth
-      on a large {B}eowulf},
-  journal = {Proceedings of the ACM/IEEE Supercomputing SC'2001 conference},
+	on a large {B}eowulf},
+  booktitle = {SC'01: Proceedings of the 2001 ACM/IEEE conference on Supercomputing},
   year = {2001},
   pages = {33-41},
-  doi = {10.1109/SC.2001.10003}
+  doi = {10.1109/SC.2001.10003},
+  journal = {Proceedings of the ACM/IEEE Supercomputing SC'2001 conference}
 }
 
 @ARTICLE{KoTr01d,
@@ -7444,7 +7427,7 @@
 @ARTICLE{KoTr99,
   author = {D. Komatitsch and J. Tromp},
   title = {Introduction to the spectral-element method for 3-{D} seismic wave
-      propagation},
+	propagation},
   journal = gji,
   year = {1999},
   volume = {139},
@@ -7453,15 +7436,16 @@
   doi = {10.1046/j.1365-246x.1999.00967.x}
 }
 
- at ARTICLE{KoTsChTr03,
+ at INPROCEEDINGS{KoTsChTr03,
   author = {Dimitri Komatitsch and Seiji Tsuboi and Chen Ji and Jeroen Tromp},
   title = {A 14.6~billion degrees of freedom, 5~teraflops, 2.5~terabyte earthquake
-      simulation on the {E}arth~{S}imulator},
-  journal = {Proceedings of the ACM/IEEE Supercomputing SC'2003 conference},
+	simulation on the {E}arth~{S}imulator},
+  booktitle = {SC'03: Proceedings of the 2003 ACM/IEEE conference on Supercomputing},
   year = {2003},
   pages = {4-11},
   note = {{G}ordon {B}ell {P}rize winner article},
-  doi = {10.1109/SC.2003.10023}
+  doi = {10.1109/SC.2003.10023},
+  journal = {Proceedings of the ACM/IEEE Supercomputing SC'2003 conference}
 }
 
 @INCOLLECTION{KoTsTr05,
@@ -7480,7 +7464,7 @@
 @ARTICLE{KoVi98,
   author = {D. Komatitsch and J. P. Vilotte},
   title = {The spectral-element method: an efficient tool to simulate the seismic
-      response of 2{D} and 3{D} geological structures},
+	response of 2{D} and 3{D} geological structures},
   journal = bssa,
   year = {1998},
   volume = {88},
@@ -7490,9 +7474,9 @@
 
 @ARTICLE{KoViVaCaSa99,
   author = {D. Komatitsch and J. P. Vilotte and R. Vai and J. M. Castillo-Covarrubias
-      and F. J. S\'anchez-Sesma},
+	and F. J. S\'anchez-Sesma},
   title = {The spectral-element method for elastic wave equations: application
-      to 2{D} and 3{D} seismic problems},
+	to 2{D} and 3{D} seismic problems},
   journal = ijnme,
   year = {1999},
   volume = {45},
@@ -7524,7 +7508,7 @@
 @ARTICLE{Kop06,
   author = {D. A. Kopriva},
   title = {Metric identities and the discontinuous spectral element method on
-      curvilinear meshes},
+	curvilinear meshes},
   journal = {Journal of Scientific Computing},
   year = {2006},
   volume = {26},
@@ -7536,7 +7520,7 @@
 @ARTICLE{Kop96,
   author = {D. A. Kopriva},
   title = {A conservative staggered-grid {C}hebyshev multidomain method for
-      compressible flows: {P}art {II}, a semi-structured method},
+	compressible flows: {P}art {II}, a semi-structured method},
   journal = jcp,
   year = {1996},
   volume = {128},
@@ -7546,7 +7530,7 @@
 @ARTICLE{Kop89,
   author = {David A. Kopriva},
   title = {Computation of Hyperbolic Equations on Complicated Domains with Patched
-      and Overset {C}hebyshev Grids},
+	and Overset {C}hebyshev Grids},
   journal = {SIAM Journal on Scientific and Statistical Computing},
   year = {1989},
   volume = {10},
@@ -7569,7 +7553,7 @@
 @ARTICLE{KoWoHu02,
   author = {D. A. Kopriva and S. L. Woodruff and M. Y. Hussaini},
   title = {Computation of electromagnetic scattering with a non-conforming discontinuous
-      spectral element method},
+	spectral element method},
   journal = ijnme,
   year = {2002},
   volume = {53},
@@ -7581,7 +7565,7 @@
 @ARTICLE{KosKosSyr85,
   author = {A. M. Kosevich and Yu. A. Kosevich and E. S. Syrkin},
   title = {Generalized {R}ayleigh waves and the geometry of isofrequency surfaces
-      of sound oscillation waves in crystals},
+	of sound oscillation waves in crystals},
   journal = {Soviet Physics - Journal of Experimental and Theoretical Physics},
   year = {1985},
   volume = {61},
@@ -7591,7 +7575,7 @@
 @ARTICLE{KosSyr85,
   author = {Yu. A. Kosevich and E. S. Syrkin},
   title = {Existence criterion and properties of deeply penetrating {R}ayleigh
-      waves in crystals},
+	waves in crystals},
   journal = {Soviet Physics - Journal of Experimental and Theoretical Physics},
   year = {1985},
   volume = {62},
@@ -7602,7 +7586,7 @@
 @ARTICLE{KosSyrKos97,
   author = {Yu. A. Kosevich and E. S. Syrkin and A. M. Kosevich},
   title = {Vibrations localized near surfaces and interfaces in non-traditional
-      crystals},
+	crystals},
   journal = {Progress in Surface Science},
   year = {1997},
   volume = {55},
@@ -7621,9 +7605,9 @@
 
 @ARTICLE{KoKeFiTeBeSt90,
   author = {D. Kosloff and D. Kessler and A. Q. Filho and E. Tessmer and A. Behle
-      and R. Strahilevitz},
+	and R. Strahilevitz},
   title = {Solution of the equations of dynamic elasticity by a {C}hebychev
-      spectral method},
+	spectral method},
   journal = geophysics,
   year = {1990},
   volume = {55},
@@ -7643,7 +7627,7 @@
 @ARTICLE{KoTa93,
   author = {D. Kosloff and H. Tal-Ezer},
   title = {A modified {C}hebyshev pseudospectral method with an {{$O(N^{-1})$}}
-      time step restriction},
+	time step restriction},
   journal = jcp,
   year = {1993},
   volume = {104},
@@ -7653,7 +7637,7 @@
 @ARTICLE{KoYiTs99,
   author = {T. I. Kosmanis and T. V. Yioultsis and T. D. Tsiboukis},
   title = {Perfectly matched anisotropic layer for the numerical analysis of
-      unbounded eddy-current problems},
+	unbounded eddy-current problems},
   journal = {IEEE transactions on Magnetics},
   year = {1999},
   volume = {35},
@@ -7661,12 +7645,12 @@
   number = {6}
 }
 
- at ARTICLE{KrTuOk04a,
+ at INPROCEEDINGS{KrTuOk04a,
   author = {Sean E. Krakiwsky and Laurence E. Turner and Michal M. Okoniewski},
   title = {Graphics processor unit ({GPU}) acceleration of a finite-difference
-      time-domain ({FDTD}) algorithm},
-  journal = {Proceedings of the 2004 IEEE International Symposium on Circuits
-      and Systems},
+	time-domain ({FDTD}) algorithm},
+  booktitle = {Proceedings of the 2004 IEEE International Symposium on Circuits
+	and Systems},
   year = {2004},
   pages = {265-268},
   address = {Vancouver, British Columbia, Canada}
@@ -7675,7 +7659,7 @@
 @ARTICLE{KrTuOk04b,
   author = {S. E. Krakiwsky and L. E. Turner and M. M. Okoniewski},
   title = {Acceleration of finite-difference time-domain ({FDTD}) using graphics
-      processor units ({GPU})},
+	processor units ({GPU})},
   journal = {IEEE 2004 MTT-S International Microwave Symposium Digest},
   year = {2004},
   volume = {2},
@@ -7707,15 +7691,17 @@
   title = {Energy conservation in {N}ewmark based time integration algorithms},
   journal = cmame,
   year = {2006},
+  volume = {195},
   pages = {6110-6124},
+  number = {44-47},
   doi = {10.1016/j.cma.2005.12.001}
 }
 
 @ARTICLE{KrJiKoTr06a,
   author = {Swaminathan Krishnan and Chen Ji and Dimitri Komatitsch and Jeroen
-      Tromp},
+	Tromp},
   title = {Case Studies of Damage to Tall Steel Moment-Frame Buildings in {S}outhern
-      {C}alifornia during Large {S}an {A}ndreas Earthquakes},
+	{C}alifornia during Large {S}an {A}ndreas Earthquakes},
   journal = bssa,
   year = {2006},
   volume = {96},
@@ -7726,9 +7712,9 @@
 
 @ARTICLE{KrJiKoTr06b,
   author = {Swaminathan Krishnan and Chen Ji and Dimitri Komatitsch and Jeroen
-      Tromp},
+	Tromp},
   title = {Performance of two 18-story steel moment-frame buildings in {S}outhern
-      {C}alifornia during two large simulated {S}an {A}ndreas Earthquakes},
+	{C}alifornia during two large simulated {S}an {A}ndreas Earthquakes},
   journal = {Earthquake Spectra},
   year = {2006},
   volume = {22},
@@ -7739,9 +7725,9 @@
 
 @INPROCEEDINGS{KrJiKoTr06c,
   author = {Swaminathan Krishnan and Chen Ji and Dimitri Komatitsch and Jeroen
-      Tromp},
+	Tromp},
   title = {Impact of a large {S}an {A}ndreas fault earthquake on tall buildings
-      in {S}outhern {C}alifornia},
+	in {S}outhern {C}alifornia},
   booktitle = {Proceedings of the 8th U.S. National Conference on Earthquake Engineering},
   year = {2006},
   pages = {1-12},
@@ -7752,7 +7738,7 @@
 @ARTICLE{KrMo03,
   author = {J. Kristek and P. Moczo},
   title = {Seismic-Wave Propagation in Viscoelastic Media with Material Discontinuities:
-      {A 3D} Fourth-Order Staggered-Grid Finite-Difference Modeling},
+	{A 3D} Fourth-Order Staggered-Grid Finite-Difference Modeling},
   journal = bssa,
   year = {2003},
   volume = {93},
@@ -7763,7 +7749,7 @@
 @ARTICLE{KrMoGa09,
   author = {Jozef Kristek and Peter Moczo and Martin Galis},
   title = {A brief summary of some {PML} formulations and discretizations for
-      the velocity-stress equation of seismic motion},
+	the velocity-stress equation of seismic motion},
   journal = {Studia Geophysica et Geodaetica},
   year = {2009},
   volume = {53},
@@ -7787,7 +7773,7 @@
 @ARTICLE{KrWeScSc95,
   author = {F. Krueger and M. Weber and F. Scherbaum and J. Schlittenhardt},
   title = {Evidence for normal and inhomogeneous lowermost mantle and core-mantle
-      boundary structure under the {A}rctic and northern {C}anada},
+	boundary structure under the {A}rctic and northern {C}anada},
   journal = gji,
   year = {1995},
   volume = {122},
@@ -7798,7 +7784,7 @@
 @PHDTHESIS{Krueger:2006:AGF,
   author = {Jens Kr{\"u}ger},
   title = {A {GPU} Framework for Interactive Simulation and Rendering of Fluid
-      Effects},
+	Effects},
   school = {Technische Universit{\"a}t M{\"u}nchen, Germany},
   year = {2006},
   month = dec
@@ -7819,7 +7805,7 @@
 @ARTICLE{KuAn69,
   author = {M. Kumazawa and O. L. Anderson},
   title = {Elastic Moduli, Pressure Derivates and Temperature Derivates of Single-Crystal
-      Olivine and Single-Crystal Forstite},
+	Olivine and Single-Crystal Forstite},
   journal = jgr,
   year = {1969},
   volume = {74},
@@ -7838,7 +7824,7 @@
 @ARTICLE{KuDzEk06,
   author = {B. Kustowski and A. M. Dziewo\'nski and G. Ekstrom},
   title = {Modeling the anisotropic shear-wave velocity structure in the {E}arth's
-      mantle on global and regional scales},
+	mantle on global and regional scales},
   journal = {EOS},
   year = {2006},
   volume = {87},
@@ -7859,7 +7845,7 @@
 @ARTICLE{KuMi96,
   author = {M. Kuzuoglu and R. Mittra},
   title = {Frequency dependence of the constitutive parameters of causal perfectly
-      matched anisotropic absorbers},
+	matched anisotropic absorbers},
   journal = {IEEE Microwave and Guided Wave Letters},
   year = {1996},
   volume = {6},
@@ -7870,7 +7856,7 @@
 @ARTICLE{LaMaQu97,
   author = {D. J. P. Lahaye and F. Maggio and A. Quarteroni},
   title = {Hybrid finite element-spectral element approximation of wave propagation
-      problems},
+	problems},
   journal = {East-West J. Numer. Math.},
   year = {1997},
   volume = {5},
@@ -7889,7 +7875,7 @@
 
 @BOOK{Lam52,
   title = {Le\c cons sur la th\'eorie math\'ematique de l'\'elasticit\'e des
-      corps solides},
+	corps solides},
   publisher = {Gauthier-Villars},
   year = {1852},
   author = {Gabriel Lam\'e},
@@ -7943,9 +7929,9 @@
 
 @ARTICLE{LaAnDrStScLoRo97,
   author = {S. Larsen and M. Antolik and D. Dreger and C. Stidham and C. Schultz
-      and A. Lomax and B. Romanowicz},
+	and A. Lomax and B. Romanowicz},
   title = {3-{D} Models of Seismic Wave Propagation: Simulating Scenario Earthquakes
-      Along the {H}ayward Fault},
+	Along the {H}ayward Fault},
   journal = {Seis. Res. Lett.},
   year = {1997},
   volume = {68},
@@ -7954,9 +7940,9 @@
 
 @ARTICLE{LaMiTrTaKoCh05,
   author = {Konstantin Latychev and Jerry X. Mitrovica and Jeroen Tromp and Mark
-      E. Tamisiea and Dimitri Komatitsch and Christina C. Christara},
+	E. Tamisiea and Dimitri Komatitsch and Christina C. Christara},
   title = {Glacial isostatic adjustment on 3-{D} {E}arth models: a finite-volume
-      formulation},
+	formulation},
   journal = gji,
   year = {2005},
   volume = {161},
@@ -7967,9 +7953,9 @@
 
 @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},
+	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},
   title = {The great {S}umatra-{A}ndaman earthquake of 26 {D}ecember 2004},
   journal = {Science},
   year = {2005},
@@ -7990,7 +7976,7 @@
 @PHDTHESIS{LeRousseau2001,
   author = {J. H. {Le Rousseau}},
   title = {Microlocal analysis of wave-equation imaging and generalized-screen
-      propagators},
+	propagators},
   school = {Center for Wave Phenomena, Colorado School of Mines},
   year = {2001}
 }
@@ -8009,9 +7995,9 @@
 @ARTICLE{LeLi05,
   author = {Joon Ho Lee and Qing Huo Liu},
   title = {An efficient {3-D} spectral element method for {S}chr\"odinger equation
-      in nanodevice simulation},
+	in nanodevice simulation},
   journal = {IEEE Transactions on Computer-Aided Design of Integrated Circuits
-      and Systems},
+	and Systems},
   year = {2005},
   volume = {24},
   pages = {1848-1858},
@@ -8020,10 +8006,10 @@
 
 @ARTICLE{LeChKoHuTr09,
   author = {Shiann Jong Lee and Yu Chang Chan and Dimitri Komatitsch and Bor
-      Shouh Huang and Jeroen Tromp},
+	Shouh Huang and Jeroen Tromp},
   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}},
+	in the {Y}angminshan region of {T}aiwan based upon the spectral-element
+	method and {LiDAR DTM}},
   journal = bssa,
   year = {2009},
   volume = {99},
@@ -8034,10 +8020,10 @@
 
 @ARTICLE{LeChLiKoHuTr08,
   author = {Shiann Jong Lee and How Wei Chen and Qinya Liu and Dimitri Komatitsch
-      and Bor Shouh Huang and Jeroen Tromp},
+	and Bor Shouh Huang and Jeroen Tromp},
   title = {Three-Dimensional Simulations of Seismic Wave Propagation in the
-      {T}aipei Basin with Realistic Topography Based upon the Spectral-Element
-      Method},
+	{T}aipei Basin with Realistic Topography Based upon the Spectral-Element
+	Method},
   journal = bssa,
   year = {2008},
   volume = {98},
@@ -8049,7 +8035,7 @@
 @ARTICLE{LeKoHuTr09,
   author = {S. J. Lee and Dimitri Komatitsch and B. S. Huang and J. Tromp},
   title = {Effects of topography on seismic wave propagation: An example from
-      northern {T}aiwan},
+	northern {T}aiwan},
   journal = bssa,
   year = {2009},
   volume = {99},
@@ -8108,7 +8094,7 @@
 @INCOLLECTION{LeNiSy05,
   author = {A. Levander and F. Niu and W. W. Symes},
   title = {Imaging teleseismic {P} to {S} scattered waves using the {K}irchhoff
-      integral},
+	integral},
   booktitle = {Seismic Earth: Array Analysis of Broadband Seismograms},
   publisher = {American Geophysical Union},
   year = {2005},
@@ -8130,9 +8116,9 @@
 
 @ARTICLE{LeDaMaEaVe00,
   author = {J. Lewis and S. M. Day and H. Magistrale and J. Eakins and F. L.
-      Vernon},
+	Vernon},
   title = {Crustal thickness of the {P}eninsular {R}anges, southern {C}alifornia,
-      from teleseismic receiver functions},
+	from teleseismic receiver functions},
   journal = {Geology},
   year = {2000},
   volume = {28},
@@ -8151,7 +8137,7 @@
 @ARTICLE{Li02,
   author = {X. Li and V. F. Cormier},
   title = {Frequency-dependent seismic attenuation in the inner core 1. {A}
-      viscoelastic interpretation},
+	viscoelastic interpretation},
   journal = jgr,
   year = {2002},
   volume = {107},
@@ -8163,7 +8149,7 @@
 @ARTICLE{LiRo95,
   author = {X. D. Li and B. Romanowicz},
   title = {Comparison of global waveform inversions with and without considering
-      cross-branch modal coupling},
+	cross-branch modal coupling},
   journal = gji,
   year = {1995},
   volume = {121},
@@ -8173,7 +8159,7 @@
 @ARTICLE{LiTa93,
   author = {X. D. Li and T. Tanimoto},
   title = {Waveforms of long-period body waves in a slightly aspherical {E}arth
-      model},
+	model},
   journal = gji,
   year = {1993},
   volume = {112},
@@ -8183,7 +8169,7 @@
 @INCOLLECTION{LiPeTc92,
   author = {J. Liandrat and V. Perrier and P. Tchamitchian},
   title = {Numerical resolution of Nonlinear Partial Differential Equations
-      using the Wavelet approach},
+	using the Wavelet approach},
   booktitle = {Wavelets and their Applications},
   publisher = {Edited by Ruskai, Jones and Barlett},
   year = {1992},
@@ -8203,7 +8189,7 @@
 @ARTICLE{LimFar68,
   author = {T. C. Lim and G. W. Farnell},
   title = {Search for forbidden directions of elastic surface wave propagation
-      in anisotropic crystals},
+	in anisotropic crystals},
   journal = {Journal of Applied Physics},
   year = {1968},
   volume = {39},
@@ -8226,7 +8212,7 @@
 @ARTICLE{LiNeGi10,
   author = {Joseph M. Lindquist and Beny Neta and Francis X. Giraldo},
   title = {A spectral element solution of the {K}lein-{G}ordon equation with
-      high-order treatment of time and non-reflecting boundary},
+	high-order treatment of time and non-reflecting boundary},
   journal = {Wave Motion},
   year = {2010},
   volume = {47},
@@ -8237,7 +8223,7 @@
 @ARTICLE{LiAnKa76,
   author = {H. P. Liu and D. L. Anderson and H. Kanamori},
   title = {Velocity dispersion due to anelasticity: implications for seismology
-      and mantle composition},
+	and mantle composition},
   journal = gjras,
   year = {1976},
   volume = {47},
@@ -8247,9 +8233,9 @@
 @INPROCEEDINGS{liu_wang_zhang_2006,
   author = {K. Liu and Xiao Bing Wang and Yang Zhang and Cheng Liao},
   title = {Acceleration of Time-Domain Finite Element Method ({TD-FEM}) Using
-      {Graphics Processor Units (GPU)}},
+	{Graphics Processor Units (GPU)}},
   booktitle = {Proceedings of the 7th International Symposium on Antennas, Propagation
-      \& EM Theory (ISAPE '06)},
+	\& EM Theory (ISAPE '06)},
   year = {2006},
   pages = {1-4},
   address = {Guilin, China},
@@ -8261,7 +8247,7 @@
 @ARTICLE{LiPoKoTr04,
   author = {Qinya Liu and Jascha Polet and Dimitri Komatitsch and Jeroen Tromp},
   title = {Spectral-element moment tensor inversions for earthquakes in {S}outhern
-      {C}alifornia},
+	{C}alifornia},
   journal = bssa,
   year = {2004},
   volume = {94},
@@ -8283,7 +8269,7 @@
 @ARTICLE{LiTr08,
   author = {Q. Liu and J. Tromp},
   title = {Finite-frequency sensitivity kernels for global seismic wave propagation
-      based upon adjoint methods},
+	based upon adjoint methods},
   journal = gji,
   year = {2008},
   volume = {174},
@@ -8324,7 +8310,7 @@
 @ARTICLE{LoPi04,
   author = {B. Lombard and J. Piraux},
   title = {Numerical treatment of two-dimensional interfaces for acoustic and
-      elastic waves},
+	elastic waves},
   journal = jcp,
   year = {2004},
   volume = {195},
@@ -8336,7 +8322,7 @@
 @ARTICLE{LoPiGeVi08,
   author = {B. Lombard and J. Piraux and C. G\'elis and J. Virieux},
   title = {Free and smooth boundaries in 2-{D} finite-difference schemes for
-      transient elastic waves},
+	transient elastic waves},
   journal = gji,
   year = {2008},
   volume = {172},
@@ -8357,7 +8343,7 @@
 @ARTICLE{LotAls09,
   author = {J. Lothe and V.I. Alshits},
   title = {Surface waves, limiting waves and exceptional waves: David Barnett's
-      role in the development of the theory},
+	role in the development of the theory},
   journal = {Mathematics and Mechanics of Solids},
   year = {2009},
   volume = {14},
@@ -8376,7 +8362,7 @@
 @ARTICLE{LotBar76,
   author = {J. Lothe and D. M. Barnett},
   title = {On the existence of surface-wave solutions for anisotropic elastic
-      half-spaces with free surface},
+	half-spaces with free surface},
   journal = {Journal of Applied Physics},
   year = {1976},
   volume = {47},
@@ -8386,7 +8372,7 @@
 @ARTICLE{LotWan95,
   author = {J. Lothe and L. Wang},
   title = {Self-orthogonal sextic formalism for anisotropic elastic media: spaces
-      of simple reflection and two-component surface waves},
+	of simple reflection and two-component surface waves},
   journal = {Wave Motion},
   year = {1995},
   volume = {21},
@@ -8396,8 +8382,8 @@
 @ARTICLE{LotWan94,
   author = {J. Lothe and L. Wang},
   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},
+	reflection of bulk waves at planar free or clamped surfaces of half-infinite
+	elastically anisotropic media},
   journal = {Wave Motion},
   year = {1994},
   volume = {20},
@@ -8415,7 +8401,7 @@
 @ARTICLE{lovelyetal06,
   author = {P. Lovely and J. Shaw and Q. Liu and J. Tromp},
   title = {A structural model of the {S}alton {T}rough and its implications
-      for seismic hazard},
+	for seismic hazard},
   journal = bssa,
   year = {2006},
   volume = {96},
@@ -8425,8 +8411,8 @@
 @ARTICLE{LuPaXu05,
   author = {Jing Lu and Jie Pan and Boling Xu},
   title = {Time-domain calculation of acoustical wave propagation in discontinuous
-      media using acoustical wave propagator with mapped pseudospectral
-      method},
+	media using acoustical wave propagator with mapped pseudospectral
+	method},
   journal = jasa,
   year = {2005},
   volume = {118},
@@ -8438,7 +8424,7 @@
 @ARTICLE{LuZh07,
   author = {Y. Y. Lu and J. Zhu},
   title = {Perfectly matched layer for acoustic waveguide modeling - {B}enchmark
-      calculations and perturbation analysis},
+	calculations and perturbation analysis},
   journal = cmes,
   year = {2007},
   volume = {22},
@@ -8457,7 +8443,7 @@
 @ARTICLE{LuBa95,
   author = {J. E. Luco and F. C. P. de Barros},
   title = {Three-dimensional response of a layered valley embedded in a layered
-      half-space},
+	half-space},
   journal = eesd,
   year = {1995},
   volume = {24},
@@ -8485,7 +8471,7 @@
 @ARTICLE{Luo01,
   author = {Luo, S-N. and S. Ni and D. V. Helmberger},
   title = {Evidence for a sharp lateral variation of velocity at the core-mantle
-      boundary from multipathed {PKP}ab},
+	boundary from multipathed {PKP}ab},
   journal = epsl,
   year = {2001},
   volume = {189},
@@ -8504,7 +8490,7 @@
 @INCOLLECTION{LuHo87,
   author = {B. P. Luyendyk and J. S. Hornafius},
   title = {Neogene crustal rotations, fault slip and basin development in southern
-      {C}alifornia},
+	{C}alifornia},
   booktitle = {Cenozoic basin development of coastal {C}alifornia},
   publisher = {Prentice-Hall},
   year = {1987},
@@ -8515,9 +8501,9 @@
 
 @ARTICLE{LuGiSaOr04,
   author = {F. Luz\'on and S. A. Gil-Zepeda and F. J. S\'anchez-Sesma and C.
-      Ortiz-Alem\'an},
+	Ortiz-Alem\'an},
   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},
+	basin (southern {S}pain) up to 1.335~{H}z under incident plane waves},
   journal = gji,
   year = {2004},
   volume = {156},
@@ -8526,10 +8512,10 @@
 
 @ARTICLE{LuSaRoPoGaMaRoNa97,
   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},
+	and A. M. Posadas and J. M. Garc{\'\i}a and J. Mart{\'\i}n and M.
+	D. Romacho and M. Navarro},
   title = {Diffraction of {{\it P}}, {{\it S}} and {R}ayleigh waves by three-dimensional
-      topographies},
+	topographies},
   journal = gji,
   year = {1997},
   volume = {129},
@@ -8570,7 +8556,7 @@
 @ARTICLE{LyuSan75,
   author = {V. N. Lyubimov and D. G. Sannikov},
   title = {Surface quasi-bulk waves in the neighbourhood of exceptional directions
-      and surfaces in crystals},
+	and surfaces in crystals},
   journal = {Soviet Solid State Physics},
   year = {1975},
   volume = {17},
@@ -8590,7 +8576,7 @@
 @ARTICLE{MeRo00,
   author = {Charles M\'{e}gnin and Barabara Romanowicz},
   title = {The 3{D} shear velocity structure of the mantle from the inversion
-      of body, surface and higher modes wave forms},
+	of body, surface and higher modes wave forms},
   journal = gji,
   year = {2000},
   volume = {143},
@@ -8600,7 +8586,7 @@
 @ARTICLE{MaLi06,
   author = {Shuo Ma and Pengcheng Liu},
   title = {Modeling of the Perfectly Matched Layer Absorbing Boundaries and
-      Intrinsic Attenuation in Explicit Finite-Element Methods},
+	Intrinsic Attenuation in Explicit Finite-Element Methods},
   journal = bssa,
   year = {2006},
   volume = {96},
@@ -8642,7 +8628,7 @@
 @ARTICLE{MaMePaRo93,
   author = {Y. Maday and D. Meiron and A. T. Patera and E. M. R{\o}nquist},
   title = {Analysis of Iterative Methods for the Steady and Unsteady {S}tokes
-      Problem: Application to {S}pectral {E}lement Discretizations},
+	Problem: Application to {S}pectral {E}lement Discretizations},
   journal = {SIAM J. Sci. Stat. Comput.},
   year = {1993},
   volume = {14},
@@ -8652,7 +8638,7 @@
 @INPROCEEDINGS{MaPa89,
   author = {Y. Maday and A. T. Patera},
   title = {Spectral-element methods for the incompressible {N}avier-{S}tokes
-      equations},
+	equations},
   booktitle = {State of the art survey in computational mechanics},
   year = {1989},
   pages = {71-143},
@@ -8671,7 +8657,7 @@
 @ARTICLE{MaRo90,
   author = {Y. Maday and E. M. R{\o}nquist},
   title = {Optimal error analysis of spectral methods with emphasis on non-constant
-      coefficients and deformed geometries},
+	coefficients and deformed geometries},
   journal = cmame,
   year = {1990},
   volume = {80},
@@ -8681,8 +8667,8 @@
 @PHDTHESIS{Mad09,
   author = {Ronan Madec},
   title = {M\'ethode des \'el\'ements spectraux pour la propagation d'ondes
-      sismiques en milieu g\'eologique fluide-solide avec pas de temps
-      locaux et couches absorbantes parfaitement adapt\'ees C-PML},
+	sismiques en milieu g\'eologique fluide-solide avec pas de temps
+	locaux et couches absorbantes parfaitement adapt\'ees C-PML},
   school = {Universit\'e de Pau et des Pays de l'Adour},
   year = {2009},
   address = {Pau, France},
@@ -8692,7 +8678,7 @@
 @ARTICLE{MaKoDi09,
   author = {Ronan Madec and Dimitri Komatitsch and Julien Diaz},
   title = {Energy-conserving local time stepping based on high-order finite
-      elements for seismic wave propagation across a fluid-solid interface},
+	elements for seismic wave propagation across a fluid-solid interface},
   journal = cmes,
   year = {2009},
   volume = {49},
@@ -8712,7 +8698,7 @@
 @ARTICLE{MaDaClGr2000,
   author = {H. Magistrale and S. Day and R. W. Clayton and R. Graves},
   title = {The {SCEC} {S}outhern {C}alifornia reference three-dimensional seismic
-      velocity model version~2},
+	velocity model version~2},
   journal = bssa,
   year = {2000},
   volume = {90},
@@ -8722,7 +8708,7 @@
 @ARTICLE{MaMcDa96,
   author = {H. Magistrale and K. McLaughlin and S. Day},
   title = {A geology based 3-{D} velocity model of the {L}os {A}ngeles basin
-      sediments},
+	sediments},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -8741,7 +8727,7 @@
 @ARTICLE{Mah90,
   author = {K. D. Mahrer},
   title = {Numerical time step instability and {S}tacey's and {C}layton-{E}ngquist's
-      absorbing boundary conditions},
+	absorbing boundary conditions},
   journal = bssa,
   year = {1990},
   volume = {80},
@@ -8751,8 +8737,8 @@
 @ARTICLE{Mainprice08,
   author = {Mainprice, D. and A. Tommasi and D. Ferre and P. Carrez and P. Cordier},
   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},
+	silicate {M}g-Perovskite at high pressure: {I}mplications for the
+	seismic anisotropy in the lower mantle},
   journal = epsl,
   year = {2008},
   volume = {271},
@@ -8815,7 +8801,7 @@
 @ARTICLE{MaOl03,
   author = {Carey Marcinkovich and Kim Bak Olsen},
   title = {On the implementation of perfectly matched layers in a three-dimensional
-      fourth-order velocity-stress finite-difference scheme},
+	fourth-order velocity-stress finite-difference scheme},
   journal = jgr,
   year = {2003},
   volume = {108},
@@ -8827,7 +8813,7 @@
 @ARTICLE{Mar84,
   author = {K. J. Marfurt},
   title = {Accuracy of finite-difference and finite-element modeling of the
-      scalar and elastic wave equation},
+	scalar and elastic wave equation},
   journal = geophysics,
   year = {1984},
   volume = {49},
@@ -8848,7 +8834,7 @@
 @ARTICLE{MaKo09,
   author = {Roland Martin and Dimitri Komatitsch},
   title = {An unsplit convolutional perfectly matched layer technique improved
-      at grazing incidence for the viscoelastic wave equation},
+	at grazing incidence for the viscoelastic wave equation},
   journal = gji,
   year = {2009},
   volume = {179},
@@ -8860,8 +8846,8 @@
 @ARTICLE{MaKo06,
   author = {Roland Martin and Dimitri Komatitsch},
   title = {An optimized Convolution-Perfectly Matched Layer {(C-PML)} absorbing
-      technique for {3D} seismic wave simulation based on a finite-difference
-      method},
+	technique for {3D} seismic wave simulation based on a finite-difference
+	method},
   journal = {Geophysical Research Abstracts},
   year = {2006},
   volume = {8},
@@ -8873,8 +8859,8 @@
 @ARTICLE{MaKoBa05,
   author = {Roland Martin and Dimitri Komatitsch and H\'el\`ene Barucq},
   title = {An optimized Convolution-Perfectly Matched Layer {(C-PML)} absorbing
-      technique for {3D} seismic wave simulation based on a finite-difference
-      method},
+	technique for {3D} seismic wave simulation based on a finite-difference
+	method},
   journal = {Eos Trans. AGU},
   year = {2005},
   volume = {86},
@@ -8886,10 +8872,10 @@
 
 @ARTICLE{MaKoBlLe08,
   author = {Roland Martin and Dimitri Komatitsch and C\'eline Blitz and Nicolas
-      {Le Goff}},
+	{Le Goff}},
   title = {Simulation of seismic wave propagation in an asteroid based upon
-      an unstructured {MPI} spectral-element method: blocking and non-blocking
-      communication strategies},
+	an unstructured {MPI} spectral-element method: blocking and non-blocking
+	communication strategies},
   journal = lncs,
   year = {2008},
   volume = {5336},
@@ -8899,7 +8885,7 @@
 @ARTICLE{MaKoEz08,
   author = {Roland Martin and Dimitri Komatitsch and Abdela\^aziz Ezziani},
   title = {An unsplit convolutional perfectly matched layer improved at grazing
-      incidence for seismic wave equation in poroelastic media},
+	incidence for seismic wave equation in poroelastic media},
   journal = geophysics,
   year = {2008},
   volume = {73},
@@ -8911,7 +8897,7 @@
 @ARTICLE{MaKoGe08,
   author = {Roland Martin and Dimitri Komatitsch and Stephen D. Gedney},
   title = {A variational formulation of a stabilized unsplit convolutional perfectly
-      matched layer for the isotropic or anisotropic seismic wave equation},
+	matched layer for the isotropic or anisotropic seismic wave equation},
   journal = cmes,
   year = {2008},
   volume = {37},
@@ -8921,10 +8907,10 @@
 
 @ARTICLE{MaKoGeBr10,
   author = {Roland Martin and Dimitri Komatitsch and Stephen D. Gedney and Emilien
-      Bruthiaux},
+	Bruthiaux},
   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)}},
+	matched layer for the seismic wave equation using {Auxiliary Differential
+	Equations (ADE-PML)}},
   journal = cmes,
   year = {2010},
   volume = {56},
@@ -8932,19 +8918,10 @@
   number = {1}
 }
 
- at ARTICLE{MaKoMa11,
-  author = {Roland Martin and Dimitri Komatitsch and Ronan Madec},
-  title = {An improved perfectly matched layer for high-order finite element
-      fluid-viscoelastic wave propagation and sensitivity kernel construction},
-  journal = grl,
-  year = {2011},
-  note = {Submitted in October 2010.}
-}
-
 @ARTICLE{MaPr07,
   author = {Y. J. Masson and S. R. Pride},
   title = {Poroelastic finite-difference modeling of seismic attenuation and
-      dispersion due to mesoscopic-scale heterogeneity},
+	dispersion due to mesoscopic-scale heterogeneity},
   journal = jgr,
   year = {2007},
   volume = {112},
@@ -8956,7 +8933,7 @@
 @ARTICLE{Masson2006,
   author = {Y. J. Masson and S. R. Pride and K. T. Nihei},
   title = {Finite-difference modelling of {B}iot's poroelastic equations at
-      seismic frequencies},
+	seismic frequencies},
   journal = jgr,
   year = {2006},
   volume = {111},
@@ -8967,7 +8944,7 @@
 @ARTICLE{MaFe98,
   author = {D. Massonnet and Kurt L. Feigl},
   title = {Radar interferometry and its application to changes in the {E}arth's
-      surface},
+	surface},
   journal = {Reviews of Geophysics},
   year = {1998},
   volume = {36},
@@ -8987,8 +8964,8 @@
 @ARTICLE{Mat11,
   author = {Ren\'e Matzen},
   title = {An efficient finite element time-domain formulation for the elastic
-      second-order wave equation: {A} non-split complex frequency shifted
-      convolutional {PML}},
+	second-order wave equation: {A} non-split complex frequency shifted
+	convolutional {PML}},
   journal = ijnme,
   year = {2011},
   volume = {88},
@@ -9000,7 +8977,7 @@
 @ARTICLE{Mau94,
   author = {V. Maupin},
   title = {On the possibility of anisotropy in the {D}'' layer as inferred from
-      the polarization of diffracted {S} waves},
+	the polarization of diffracted {S} waves},
   journal = pepi,
   year = {1994},
   volume = {87},
@@ -9010,7 +8987,7 @@
 @ARTICLE{MazEve97,
   author = {A. A. Maznev and A. G. Every},
   title = {Time-domain dynamic surface response of an anisotropic elastic solid
-      to an impulsive line force},
+	to an impulsive line force},
   journal = {International Journal of Engineering Science},
   year = {1997},
   volume = {35},
@@ -9030,7 +9007,7 @@
 @ARTICLE{MazEve94,
   author = {A. A. Maznev and A. G. Every},
   title = {Ray surface and focusing of surface acoustic waves on the basal plane
-      of cubic crystals},
+	of cubic crystals},
   journal = {Acta Acustica},
   year = {1994},
   volume = {1},
@@ -9040,7 +9017,7 @@
 @ARTICLE{MazKolHes95,
   author = {A. A. Maznev and Al. A. Kolomenskii and P. Hess},
   title = {Time-resolved cuspidal structure in the wavefront of surface acoustic
-      pulses on (111) {G}allium {A}rsenide},
+	pulses on (111) {G}allium {A}rsenide},
   journal = {Physics Review Letters},
   year = {1995},
   volume = {75},
@@ -9051,7 +9028,7 @@
 @ARTICLE{MazLomHesKol03,
   author = {A.A. Maznev and A. M. Lomonosov and P. Hess and Al. A. Kolomenskii},
   title = {Anisotropic effects in surface acoustic wave propagation from a point
-      source in a crystal},
+	source in a crystal},
   journal = {The European Physical Journal B},
   year = {2003},
   volume = {35},
@@ -9068,7 +9045,7 @@
 
 @ARTICLE{McCool:2004:SA,
   author = {Michael McCool and Stefanus {Du Toit} and Tiberiu S. Popa and Bryan
-      Chan and Kevin Moule},
+	Chan and Kevin Moule},
   title = {Shader Algebra},
   journal = {ACM Transactions on Graphics},
   year = {2004},
@@ -9081,7 +9058,7 @@
 
 @ARTICLE{McInAhMoRoCu07,
   author = {Patrick McCormick and Jeff Inman and James Ahrens and Jamaludin Mohd-Yusof
-      and Greg Roth and Sharen Cummins},
+	and Greg Roth and Sharen Cummins},
   title = {Scout: a data-parallel programming language for graphics processors},
   journal = {Parallel Computing},
   year = {2007},
@@ -9092,7 +9069,7 @@
 @ARTICLE{McC60,
   author = {T. H. McCulloh},
   title = {Gravity variations and the geology of the {L}os {A}ngeles basin of
-      {C}alifornia},
+	{C}alifornia},
   journal = {U.S. Geological Survey Professional Paper},
   year = {1960},
   volume = {400-B},
@@ -9110,9 +9087,9 @@
 
 @ARTICLE{McBaDaShSt92,
   author = {K. L. McLaughlin and T. G. Barker and S. M. Day and B. Shkoller and
-      J. L. Stevens},
+	J. L. Stevens},
   title = {Effects of subduction zone structure on explosion-generated {R}ayleigh
-      waves: 3{D} numerical simulations},
+	waves: 3{D} numerical simulations},
   journal = gji,
   year = {1992},
   volume = {111},
@@ -9132,7 +9109,7 @@
 @ARTICLE{McJi88,
   author = {K. L. McLaughlin and R. S. Jih},
   title = {Scattering from near-source topography: teleseismic observations
-      and numerical simulations},
+	and numerical simulations},
   journal = bssa,
   year = {1988},
   volume = {78},
@@ -9142,7 +9119,7 @@
 @ARTICLE{MeViSa06,
   author = {E. D. Mercerat and J. P. Vilotte and F. J. S\'anchez-Sesma},
   title = {Triangular spectral-element simulation of two-dimensional elastic
-      wave propagation using unstructured triangular grids},
+	wave propagation using unstructured triangular grids},
   journal = gji,
   year = {2006},
   volume = {166},
@@ -9152,7 +9129,7 @@
 
 @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},
+	Miyagi and Y. Meng and T. S. Duffy and H. R. Wenk},
   title = {Deformation of ({M}g,{F}e){S}i{O}3 post-perovskite and {D}'' anisotropy},
   journal = {Science},
   year = {2007},
@@ -9208,8 +9185,8 @@
 @ARTICLE{MePa08,
   author = {Kristel C. Meza-Fajardo and Apostolos S. Papageorgiou},
   title = {A nonconvolutional, split-field, perfectly matched layer for wave
-      propagation in isotropic and anisotropic elastic media: Stability
-      analysis},
+	propagation in isotropic and anisotropic elastic media: Stability
+	analysis},
   journal = bssa,
   year = {2008},
   volume = {98},
@@ -9221,7 +9198,7 @@
 @ARTICLE{MiKo10,
   author = {David Mich\'{e}a and Dimitri Komatitsch},
   title = {Accelerating a 3{D} finite-difference wave propagation code using
-      {GPU} graphics cards},
+	{GPU} graphics cards},
   journal = gji,
   year = {2010},
   volume = {182},
@@ -9234,7 +9211,7 @@
   author = {Paulius Micikevicius},
   title = {{3D} finite-difference computation on {GPUs} using {CUDA}},
   booktitle = {GPGPU-2: Proceedings of the 2nd Workshop on General Purpose Processing
-      on Graphics Processing Units},
+	on Graphics Processing Units},
   year = {2009},
   pages = {79-84},
   address = {Washington, DC, USA},
@@ -9245,7 +9222,7 @@
 @ARTICLE{MieFu04,
   author = {A. Mielke and Y. B. Fu},
   title = {Uniqueness of the surface-wave speed: a proof that is independent
-      of the {S}troh formalism},
+	of the {S}troh formalism},
   journal = {Mathematics and Mechanics of Solids},
   year = {2004},
   volume = {9},
@@ -9263,7 +9240,7 @@
 @ARTICLE{Min02,
   author = {Susan E. Minkoff},
   title = {Spatial Parallelism of a 3{D} Finite-Difference Velocity-Stress Elastic
-      Wave Propagation Code},
+	Wave Propagation Code},
   journal = {SIAM Journal on Scientific Computing},
   year = {2002},
   volume = {24},
@@ -9276,7 +9253,7 @@
 @INCOLLECTION{Mi96,
   author = {S. Mitchell},
   title = {A characterization of the quadrilateral meshes of a surface which
-      admit a compatible hexahedral mesh of the enclosed volume},
+	admit a compatible hexahedral mesh of the enclosed volume},
   booktitle = {STACS 96},
   publisher = {Springer Berlin / Heidelberg},
   year = {1996},
@@ -9289,7 +9266,7 @@
 @ARTICLE{MiPe91,
   author = {J. X. Mitrovica and W. R. Peltier},
   title = {A complete formalism for the inversion of post-glacial rebound data:
-      resolving power analysis},
+	resolving power analysis},
   journal = gji,
   year = {1991},
   volume = {104},
@@ -9299,7 +9276,7 @@
 @ARTICLE{Moc89,
   author = {P. Moczo},
   title = {Finite-difference technique for {{\it SH}} waves in 2-{D} media using
-      irregular grids, application to the seismic response problem},
+	irregular grids, application to the seismic response problem},
   journal = gji,
   year = {1989},
   volume = {99},
@@ -9308,9 +9285,9 @@
 
 @ARTICLE{MoByKrCaBo97,
   author = {P. Moczo and E. Bystrick{\'y} and J. Kristek and J. M. Carcione and
-      M. Bouchon},
+	M. Bouchon},
   title = {Hybrid modeling of {{\it P-SV}} seismic motion at inhomogeneous viscoelastic
-      topographic structures},
+	topographic structures},
   journal = bssa,
   year = {1997},
   volume = {87},
@@ -9320,7 +9297,7 @@
 @ARTICLE{MoKr05,
   author = {P. Moczo and J. Kristek},
   title = {On the rheological models used for time-domain methods of seismic
-      wave propagation},
+	wave propagation},
   journal = grl,
   year = {2005},
   volume = {32},
@@ -9331,7 +9308,7 @@
 @ARTICLE{MoKrBy01,
   author = {P. Moczo and J. Kristek and E. Bystrick{\'y}},
   title = {Efficiency and optimization of the {3-D} finite-difference modeling
-      of seismic ground motion},
+	of seismic ground motion},
   journal = jca,
   year = {2001},
   volume = {9},
@@ -9342,7 +9319,7 @@
 @ARTICLE{MoKrHa2000,
   author = {P. Moczo and J. Kristek and L. Halada},
   title = {3-{D} fourth-order staggered-grid finite-difference schemes: stability
-      and grid dispersion},
+	and grid dispersion},
   journal = bssa,
   year = {2000},
   volume = {90},
@@ -9354,7 +9331,7 @@
 @INCOLLECTION{MoRoEi07,
   author = {P. Moczo and J. Robertsson and L. Eisner},
   title = {The Finite-difference Time-domain method for Modeling of Seismic
-      Wave Propagation},
+	Wave Propagation},
   booktitle = {Advances in wave propagation in heterogeneous media},
   publisher = {Elsevier - Academic Press, London, UK},
   year = {2007},
@@ -9368,7 +9345,7 @@
 @PHDTHESIS{Mod86,
   author = {H. Modaressi},
   title = {Mod\'elisation par \'el\'ements finis de la propagation des ondes
-      en milieu poreux satur\'e, application au g\'enie parasismique},
+	en milieu poreux satur\'e, application au g\'enie parasismique},
   school = {\'Ecole Centrale de Paris},
   year = {1986},
   address = {Paris}
@@ -9386,7 +9363,7 @@
 @ARTICLE{MoRi05,
   author = {Peter Monk and Gerard R. Richter},
   title = {A Discontinuous {G}alerkin Method for Linear Symmetric Hyperbolic
-      Systems in Inhomogeneous Media},
+	Systems in Inhomogeneous Media},
   journal = {Journal of Scientific Computing},
   year = {2005},
   volume = {22-23},
@@ -9407,7 +9384,7 @@
 @ARTICLE{montagner1998,
   author = {J.-P. Montagner},
   title = {Where can seismic anisotropy be detected in the {E}arth's mantle?
-      In boundary layers \ldots},
+	In boundary layers \ldots},
   journal = pageoph,
   year = {1998},
   volume = {151},
@@ -9434,9 +9411,9 @@
 
 @ARTICLE{MoGaLaWi04,
   author = {Melissa M. Moore and Edward J. Garnero and Thorne Lay and Quentin
-      Williams},
+	Williams},
   title = {Shear wave splitting and waveform complexity for lowermost mantle
-      structures with low-velocity lamellae and transverse isotropy},
+	structures with low-velocity lamellae and transverse isotropy},
   journal = jgr,
   year = {2004},
   volume = {109},
@@ -9456,9 +9433,11 @@
 @ARTICLE{MoLuTr09,
   author = {C. Morency and Y. Luo and J. Tromp},
   title = {Finite-frequency kernels for wave propagation in porous media based
-      upon adjoint methods},
+	upon adjoint methods},
   journal = gji,
   year = {2009},
+  volume = {179},
+  pages = {1148-1168},
   doi = {10.1111/j.1365-246X.2009.04332}
 }
 
@@ -9492,7 +9471,7 @@
 @ARTICLE{Mou04,
   author = {A. Moura},
   title = {Note on the analyticity of complex functions in the anisotropic {L}amb's
-      problem},
+	problem},
   journal = {Wave Motion},
   year = {2004},
   volume = {40},
@@ -9502,7 +9481,7 @@
 @ARTICLE{MouDes95,
   author = {A. Mourad and M. Deschamps},
   title = {Lamb's problem for an anisotropic half-space studied by the {C}agniard-de
-      {H}oop method},
+	{H}oop method},
   journal = jasa,
   year = {1995},
   volume = {97},
@@ -9513,7 +9492,7 @@
 @ARTICLE{MouDesCas96,
   author = {A. Mourad and M. Deschamps and B. Castagn\`ede},
   title = {Acoustic waves generated by a transient line source in an anisotropic
-      half-space},
+	half-space},
   journal = {Acustica - Acta Acustica},
   year = {1996},
   volume = {82},
@@ -9533,7 +9512,7 @@
 @ARTICLE{MuBe82,
   author = {Robert Mullen and Ted Belytschko},
   title = {Dispersion analysis of finite element semidiscretizations of the
-      two-dimensional wave equation},
+	two-dimensional wave equation},
   journal = ijnme,
   year = {1982},
   volume = {18},
@@ -9553,7 +9532,7 @@
 
 @BOOK{Mus70,
   title = {Crystal {A}coustics - {I}ntroduction to the study of elastic waves
-      and vibrations in crystals},
+	and vibrations in crystals},
   publisher = {Holden-Day},
   year = {1970},
   author = {Musgrave, M.J.P.},
@@ -9581,7 +9560,7 @@
 @ARTICLE{Nau96,
   author = {N. F. Naumenko},
   title = {Application of exceptional wave theory to materials used in surface
-      acoustic wave devices},
+	acoustic wave devices},
   journal = {Journal of Applied Physics},
   year = {1996},
   volume = {79},
@@ -9592,7 +9571,7 @@
 @ARTICLE{NaNeHu02,
   author = {I. M. Navon and B. Neta and M. Y. Hussaini},
   title = {A {P}erfectly {M}atched {L}ayer formulation for the nonlinear shallow
-      water equation models: the split equation approach},
+	water equation models: the split equation approach},
   journal = {Monthly Weather Review},
   year = {2002},
   volume = {9999999},
@@ -9612,7 +9591,7 @@
   author = {N. M. Newmark},
   title = {A method of computation for structural dynamics},
   booktitle = {Engineering mechanics division: Proceedings of the American Society
-      of Civil Engineers},
+	of Civil Engineers},
   year = {1959},
   pages = {67-93}
 }
@@ -9650,8 +9629,8 @@
 @ARTICLE{Nicetal2002,
   author = {G. Nicoud and G. Royer and J.-C. Corbin and F. Lemeille and A. Paillet},
   title = {Creusement et remplissage de la vall\'ee de l'{I}s\`ere au {Q}uaternaire
-      r\'ecent: apports nouveaux du forage {GMB}1 (1999) dans la r\'egion
-      de {G}renoble ({F}rance)},
+	r\'ecent: apports nouveaux du forage {GMB}1 (1999) dans la r\'egion
+	de {G}renoble ({F}rance)},
   journal = {G\'eologie de la France},
   year = {2002},
   volume = {4},
@@ -9661,7 +9640,7 @@
 @ARTICLE{NiIfBeSk94,
   author = {P. Nielsen and F. If and P. Berg and O. Skovgaard},
   title = {Using the pseudospectral technique on curved grids for 2{D} acoustic
-      forward modelling},
+	forward modelling},
   journal = gp,
   year = {1994},
   volume = {42},
@@ -9671,7 +9650,7 @@
 @ARTICLE{NiSk90,
   author = {P. Nielsen and O. Skovgaard},
   title = {The effect of using non-orthogonal boundary-fitted grids for solving
-      the shallow water equations},
+	the shallow water equations},
   journal = {Int. J. Num. Meth. Fluids},
   year = {1990},
   volume = {11},
@@ -9700,7 +9679,7 @@
 @ARTICLE{NiFoDa08,
   author = {Tarje Nissen-Meyer and Alexandre Fournier and F. A. Dahlen},
   title = {A 2-{D} spectral-element method for computing spherical-earth seismograms
-      - {II. W}aves in solid-fluid media},
+	- {II. W}aves in solid-fluid media},
   journal = gji,
   year = {2008},
   volume = {174},
@@ -9711,7 +9690,7 @@
 @ARTICLE{NiFoDa07,
   author = {Tarje Nissen-Meyer and Alexandre Fournier and F. A. Dahlen},
   title = {A two-dimensional spectral-element method for computing spherical-earth
-      seismograms - {I. M}oment-tensor source},
+	seismograms - {I. M}oment-tensor source},
   journal = gji,
   year = {2007},
   volume = {168},
@@ -9723,7 +9702,7 @@
 @ARTICLE{Niu01,
   author = {F. Niu and L. Wen},
   title = {Hemispherical variations in seismic velocity at the top of the {E}arth's
-      inner core},
+	inner core},
   journal = {Nature},
   year = {2001},
   volume = {410},
@@ -9733,8 +9712,8 @@
 @TECHREPORT{Etopo5,
   author = {NOAA},
   title = {National {O}ceanic and {A}tmospheric {A}dministration {(NOAA)} Product
-      Information Catalog - {ETOPO5} {E}arth {T}opography 5-minute digital
-      model},
+	Information Catalog - {ETOPO5} {E}arth {T}opography 5-minute digital
+	model},
   institution = {U.S. Department of Commerce},
   year = {1988},
   address = {Washington D.C., USA},
@@ -9753,7 +9732,7 @@
 @ARTICLE{Nor07,
   author = {A. N. Norris},
   title = {Wavefront singularities associated with the conical point in elastic
-      solids with cubic symmetry},
+	solids with cubic symmetry},
   journal = {Wave Motion},
   year = {2007},
   volume = {44},
@@ -9794,7 +9773,7 @@
 @TECHREPORT{nvidia_280_specs,
   author = {{NVIDIA Corporation}},
   title = {{NVIDIA} {G}e{F}orce {GTX} 200 {GPU} Architectural Overview, Second-Generation
-      Unified {GPU} Architecture for Visual Computing},
+	Unified {GPU} Architecture for Visual Computing},
   institution = {NVIDIA},
   year = {2008},
   pages = {1-23},
@@ -9815,7 +9794,7 @@
 @ARTICLE{OgOn04,
   author = {A. R. Oganov and S. Ono},
   title = {Theoretical and experimental evidence for a post-perovskite phase
-      of {MgSiO3} in {E}arth's {D}'' layer},
+	of {MgSiO3} in {E}arth's {D}'' layer},
   journal = {Nature},
   year = {2004},
   volume = {430},
@@ -9825,7 +9804,7 @@
 @ARTICLE{OhCh97,
   author = {T. Ohminato and B. A. Chouet},
   title = {A free-surface boundary condition for including 3{D} topography in
-      the finite difference method},
+	the finite difference method},
   journal = bssa,
   year = {1997},
   volume = {87},
@@ -9835,7 +9814,7 @@
 @ARTICLE{OhKoMi92,
   author = {M. Ohori and K. Koketsu and T. Minomi},
   title = {Seismic response of three dimensional sediment filled valleys due
-      to incident plane waves},
+	to incident plane waves},
   journal = {J. Phys. Earthquake},
   year = {1992},
   volume = {40},
@@ -9845,7 +9824,7 @@
 @ARTICLE{OhHa83,
   author = {A. Ohtsuki and K. Harumi},
   title = {Effects of topography and subsurface inhomogeneities on seismic {{\it
-      SV}} waves},
+	SV}} waves},
   journal = {Earth. Engrg. Structl. Dyn.},
   year = {1983},
   volume = {11},
@@ -9855,7 +9834,7 @@
 @ARTICLE{OlSe11,
   author = {S. P. Oliveira and G. Seriani},
   title = {Effect of element distortion on the numerical dispersion of spectral
-      element methods},
+	element methods},
   journal = {Communications in Computational Physics},
   year = {2011},
   volume = {9},
@@ -9866,7 +9845,7 @@
 @ARTICLE{Ols2000,
   author = {K. B. Olsen},
   title = {Site amplification in the {L}os {A}ngeles basin from three-dimensional
-      modeling of ground motion},
+	modeling of ground motion},
   journal = bssa,
   year = {2000},
   volume = {90},
@@ -9897,7 +9876,7 @@
 @ARTICLE{OlDaBr03,
   author = {K. B. Olsen and S. M. Day and C. R. Bradley},
   title = {Estimation of {$Q$} for long-period (>2 sec) waves in the {L}os {A}ngeles
-      basin},
+	basin},
   journal = bssa,
   year = {2003},
   volume = {93},
@@ -9907,9 +9886,9 @@
 
 @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},
+	and M. Faerman and R. Moore and P. Maechling and T. Jordan},
   title = {Strong shaking in {L}os {A}ngeles expected from southern {S}an {A}ndreas
-      earthquake},
+	earthquake},
   journal = grl,
   year = {2006},
   volume = {33},
@@ -9929,7 +9908,7 @@
 @ARTICLE{OlPeSc95,
   author = {K. B. Olsen and J. C. Pechmann and G. T. Schuster},
   title = {Simulation of 3-{D} elastic wave propagation in the {S}alt {L}ake
-      basin},
+	basin},
   journal = bssa,
   year = {1995},
   volume = {85},
@@ -9948,7 +9927,7 @@
 @ARTICLE{OsSe88,
   author = {S. Osher and J. A. Sethian},
   title = {Fronts propagating with curvature dependent speed: algorithms based
-      on {H}amilton-{J}acobi formulations},
+	on {H}amilton-{J}acobi formulations},
   journal = jcp,
   year = {1988},
   volume = {79},
@@ -9967,7 +9946,7 @@
 
 @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},
+	and John E. Stone and James C. Phillips},
   title = {{GPU} Computing},
   journal = {Proceedings of the IEEE},
   year = {2008},
@@ -9980,8 +9959,8 @@
 
 @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},
+	J. Harris AND Jens Kr{\"u}ger AND Aaron E. Lefohn AND Timothy J.
+	Purcell},
   title = {A Survey of General-Purpose Computation on Graphics Hardware},
   journal = {Computer Graphics Forum},
   year = {2007},
@@ -9994,8 +9973,8 @@
 
 @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},
+	J. Harris and Jens Kr{\"{u}}ger and Aaron E. Lefohn and Timothy J.
+	Purcell},
   title = {A Survey of General-Purpose Computation on Graphics Hardware},
   booktitle = {Eurographics 2005, State of the Art Reports},
   year = {2005},
@@ -10014,7 +9993,7 @@
 @ARTICLE{Page1995,
   author = {R. A. Page and G. Plafker and H. Pulpan},
   title = {Block rotation in east-central {A}laska: a framework for evaluating
-      earthquake potential?},
+	earthquake potential?},
   journal = {Geology},
   year = {1995},
   volume = {23},
@@ -10024,7 +10003,7 @@
 @ARTICLE{PaRo04,
   author = {M. Panning and B. Romanowicz},
   title = {Inferences on flow at the base of {E}arth's mantle based on seismic
-      anisotropy},
+	anisotropy},
   journal = {Science},
   year = {2004},
   volume = {303},
@@ -10034,7 +10013,7 @@
 @ARTICLE{PaFaMa99,
   author = {R. Paolucci and E. Faccioli and F. Maggio},
   title = {3{D} response analysis of an instrumented hill at {M}atsuzaki, {J}apan,
-      by a spectral method},
+	by a spectral method},
   journal = {J. Seismol.},
   year = {1999},
   volume = {3},
@@ -10044,7 +10023,7 @@
 @INPROCEEDINGS{PaPe94,
   author = {A. S. Papageorgiou and D. Pei},
   title = {3{D} response of cylindrical valleys of arbitrary cross-section to
-      seismic waves incident from any azimuthal direction},
+	seismic waves incident from any azimuthal direction},
   booktitle = {Proceedings of the 5th U.S. National Conference on Earthquake Engineering},
   year = {1994},
   volume = {3},
@@ -10055,7 +10034,7 @@
 @ARTICLE{Pa86,
   author = {J. Park},
   title = {Synthetic seismograms from coupled free oscillations: the effects
-      of lateral structure and rotation},
+	of lateral structure and rotation},
   journal = jgr,
   year = {1986},
   volume = {91},
@@ -10065,7 +10044,7 @@
 @ARTICLE{PaGi86,
   author = {J. Park and F. Gilbert},
   title = {Coupled free oscillations of an aspherical, dissipative, rotating
-      {E}arth: {G}alerkin theory},
+	{E}arth: {G}alerkin theory},
   journal = jgr,
   year = {1986},
   volume = {91},
@@ -10074,11 +10053,11 @@
 
 @ARTICLE{ParkSongTromp2005,
   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},
+	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},
   title = {Earth's free oscillations excited by the 26 {D}ecember 2004 {S}umatra-{A}ndaman
-      earthquake},
+	earthquake},
   journal = {Science},
   year = {2005},
   volume = {3},
@@ -10089,7 +10068,7 @@
 @ARTICLE{PaYu92,
   author = {J. Park and Y. Yu},
   title = {Anisotropy and coupled free oscillations: simplified models and surface
-      wave observations},
+	wave observations},
   journal = gji,
   year = {1992},
   volume = {110},
@@ -10099,7 +10078,7 @@
 @ARTICLE{PaFe80,
   author = {K. C. Park and C. A. Felippa},
   title = {Partitioned transient analysis procedures for coupled field problems:
-      accuracy analysis},
+	accuracy analysis},
   journal = {J. Appl. Mech.},
   year = {1980},
   volume = {47},
@@ -10109,7 +10088,7 @@
 @ARTICLE{PaRa04,
   author = {Richard Pasquetti and Francesca Rapetti},
   title = {Spectral element methods on triangles and quadrilaterals: comparisons
-      and applications},
+	and applications},
   journal = jcp,
   year = {2004},
   volume = {198},
@@ -10121,7 +10100,7 @@
 @ARTICLE{Pat84,
   author = {A. T. Patera},
   title = {A spectral element method for fluid dynamics: laminar flow in a channel
-      expansion},
+	expansion},
   journal = jcp,
   year = {1984},
   volume = {54},
@@ -10152,7 +10131,7 @@
 @ARTICLE{Pay81,
   author = {R. G. Payton},
   title = {Epicenter and epicentral-axis motion of a transversely isotropic
-      elastic half-space},
+	elastic half-space},
   journal = {SIAM J. Appl. Math.},
   year = {1981},
   volume = {40},
@@ -10162,8 +10141,8 @@
 @PHDTHESIS{Ped94,
   author = {H. A. Pedersen},
   title = {{\'E}tude de la diffraction tridimensionnelle des ondes sismiques
-      dans des structures \`a g\'eom\'etrie bidimensionnelle, d\'eveloppement
-      th\'eorique et applications},
+	dans des structures \`a g\'eom\'etrie bidimensionnelle, d\'eveloppement
+	th\'eorique et applications},
   school = {Universit\'e Joseph Fourier},
   year = {1994},
   address = {Grenoble}
@@ -10171,7 +10150,7 @@
 
 @ARTICLE{PeLeHaCaBa94,
   author = {H. A. Pedersen and B. LeBrun and D. Hatzfeld and M. Campillo and
-      P.Y. Bard},
+	P.Y. Bard},
   title = {Ground motion amplitude across ridges},
   journal = bssa,
   year = {1994},
@@ -10190,10 +10169,10 @@
 
 @ARTICLE{PeJoArSiFe03,
   author = {R. Pedersen and S. J\'onsson and T. \'Arnad\'ottir and F. Sigmundsson
-      and K. L. Feigl},
+	and K. L. Feigl},
   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},
+	and {GPS} measurements of two {J}une 2000 {M$_w$}=6.5 earthquakes
+	in {S}outh {I}celand},
   journal = {Earth and Planetary Science Letters},
   year = {2003},
   volume = {9999999},
@@ -10204,7 +10183,7 @@
 @ARTICLE{pedersenetal2001,
   author = {R. Pedersen and F. Sigmundsson and K. L. Feigl and T. \'Arnad\'ottir},
   title = {Coseismic interferograms of two {M}s=6.6 earthquakes in the {S}outh
-      {I}celand {S}eismic {Z}one, {J}une 2000},
+	{I}celand {S}eismic {Z}one, {J}une 2000},
   journal = grl,
   year = {2001},
   volume = {28},
@@ -10214,7 +10193,7 @@
 @ARTICLE{PeRo96,
   author = {F. Pellegrini and J. Roman},
   title = {{SCOTCH}: A Software Package for Static Mapping by Dual Recursive
-      Bipartitioning of Process and Architecture Graphs},
+	Bipartitioning of Process and Architecture Graphs},
   journal = lncs,
   year = {1996},
   volume = {1067},
@@ -10233,7 +10212,7 @@
 @ARTICLE{PeKaHeCrCa10,
   author = {Ch. Pelties and M. K\"aser and V. Hermann and C. E. Castro},
   title = {Regular versus irregular meshing for complicated models and their
-      effect on synthetic seismograms},
+	effect on synthetic seismograms},
   journal = {Geophys. J. Int.},
   year = {2010},
   volume = {183},
@@ -10261,7 +10240,7 @@
 @ARTICLE{PeBa89,
   author = {V. Perrier and C. Basdevant},
   title = {La d\'ecomposition en ondelettes p\'eriodiques, un outil pour l'analyse
-      de champs inhomog\`enes},
+	de champs inhomog\`enes},
   journal = {La Recherche A\'erospatiale},
   year = {1989},
   volume = {3},
@@ -10270,11 +10249,11 @@
 
 @ARTICLE{PeKoLuMaLeCaLeMaLiBlNiBaTr11,
   author = {Daniel Peter and Dimitri Komatitsch and Yang Luo and Roland Martin
-      and Nicolas {Le Goff} and Emanuele Casarotti and Pieyre {Le Loher}
-      and Federica Magnoni and Qinya Liu and C\'eline Blitz and Tarje Nissen-Meyer
-      and Piero Basini and Jeroen Tromp},
+	and Nicolas {Le Goff} and Emanuele Casarotti and Pieyre {Le Loher}
+	and Federica Magnoni and Qinya Liu and C\'eline Blitz and Tarje Nissen-Meyer
+	and Piero Basini and Jeroen Tromp},
   title = {Forward and adjoint simulations of seismic wave propagation on fully
-      unstructured hexahedral meshes},
+	unstructured hexahedral meshes},
   journal = gji,
   year = {2011},
   volume = {186},
@@ -10303,9 +10282,9 @@
 
 @INPROCEEDINGS{Phillips:2009:RAP,
   author = {Everett H. Phillips and Yao Zhang and Roger L. Davis and John D.
-      Owens},
+	Owens},
   title = {Rapid Aerodynamic Performance Prediction on a Cluster of Graphics
-      Processing Units},
+	Processing Units},
   booktitle = {Proceedings of the 47th {AIAA} Aerospace Sciences Meeting},
   year = {2009},
   pages = {1-11},
@@ -10315,7 +10294,7 @@
 @INPROCEEDINGS{PhStSc08,
   author = {James C. Phillips and John E. Stone and Klaus Schulten},
   title = {Adapting a message-driven parallel application to {GPU}-accelerated
-      clusters},
+	clusters},
   booktitle = {SC '08: Proceedings of the 2008 ACM/IEEE conference on Supercomputing},
   year = {2008},
   pages = {1--9},
@@ -10335,7 +10314,7 @@
 @ARTICLE{PhBu73,
   author = {R. A. Phinney and R. Burridge},
   title = {Representation of Elastic-Gravitational Excitation of a Spherical
-      {E}arth Model by Generalized Spherical Harmonics},
+	{E}arth Model by Generalized Spherical Harmonics},
   journal = gjras,
   year = {1973},
   volume = {34},
@@ -10363,7 +10342,7 @@
 @ARTICLE{PiKnSc64,
   author = {W. L. Pilant and L. Knopoff and F. Schwab},
   title = {Transmission and reflection of surface waves at a corner, part 3:
-      {R}ayleigh waves (experimental)},
+	{R}ayleigh waves (experimental)},
   journal = jgr,
   year = {1964},
   volume = {69},
@@ -10373,7 +10352,7 @@
 @ARTICLE{PiIr96a,
   author = {A. Pitarka and K. Irikura},
   title = {Modeling 3{D} surface topography by a finite-difference method: {K}obe-{JMA}
-      station site, {J}apan, case study},
+	station site, {J}apan, case study},
   journal = grl,
   year = {1996},
   volume = {23},
@@ -10383,8 +10362,8 @@
 @ARTICLE{PiIr96b,
   author = {A. Pitarka and K. Irikura},
   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},
+	{F}ernando valley and the {L}os {A}ngeles basin from the 1994 {N}orthridge
+	earthquake and aftershocks},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -10395,8 +10374,8 @@
 @ARTICLE{PiIrIwKa96,
   author = {A. Pitarka and K. Irikura and T. Iwata and T. Kagawa},
   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},
+	of ground motions from two aftershocks of the {J}anuary 17, 1995,
+	{H}yogo-ken {N}anbu earthquake},
   journal = {J. Phys. Earth},
   year = {1996},
   volume = {44},
@@ -10406,7 +10385,7 @@
 @ARTICLE{PiIrIw98,
   author = {A. Pitarka and K. Irikura and T. Iwata and H. Sekiguchi},
   title = {Three-dimensional simulation of the near-fault ground motion for
-      the 1995 {H}yogo-ken {N}anbu ({K}obe), {J}apan, earthquake},
+	the 1995 {H}yogo-ken {N}anbu ({K}obe), {J}apan, earthquake},
   journal = bssa,
   year = {1998},
   volume = {88},
@@ -10427,7 +10406,7 @@
 @ARTICLE{PlSh88,
   author = {B. J. Plohr and D. H. Sharp},
   title = {A conservative {E}ulerian formulation of the equations for elastic
-      flow},
+	flow},
   journal = {Advances in Applied Mathematics},
   year = {1988},
   volume = {9},
@@ -10446,7 +10425,7 @@
 @ARTICLE{Poin98,
   author = {T. Pointer and E. Liu and J. A. Hudson},
   title = {Numerical modelling of seismic waves scattered by hydrofractures:
-      application of the indirect boundary method},
+	application of the indirect boundary method},
   journal = gji,
   year = {1998},
   volume = {135},
@@ -10456,7 +10435,7 @@
 @ARTICLE{PonDesEveAud01,
   author = {O. Poncelet and M. Deschamps and A.G. Every and B. Audoin},
   title = {Extension to cuspidal edges of wave surfaces of anisotropic solids:
-      treatment of near cusp behavior},
+	treatment of near cusp behavior},
   journal = {Review of Progress in Quantitative Nondestructive Evaluation},
   year = {2001},
   volume = {20},
@@ -10466,8 +10445,8 @@
 @ARTICLE{PoWe91,
   author = {D. J. Ponti and R. E. Wells},
   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},
+	ridge-top spreading versus tectonic extension during the 1989 {L}oma
+	{P}rieta earthquake},
   journal = bssa,
   year = {1991},
   volume = {81},
@@ -10477,7 +10456,7 @@
 @ARTICLE{Poupinet83,
   author = {G. Poupinet and R. Pillet and A. Souriau},
   title = {Possible heterogeneity of the {E}arth's core deduced from {PKIKP}
-      travel times},
+	travel times},
   journal = {Nature},
   year = {1983},
   volume = {305},
@@ -10494,7 +10473,7 @@
 @ARTICLE{Pra99,
   author = {R. Gerhard Pratt},
   title = {Seismic waveform inversion in the frequency domain, {P}art 1: Theory
-      and verification in a physical scale model},
+	and verification in a physical scale model},
   journal = geophysics,
   year = {1999},
   volume = {64},
@@ -10514,7 +10493,7 @@
 @ARTICLE{PrShHi98,
   author = {R. Gerhard Pratt and Changsoo Shin and G. J. Hicks},
   title = {Gauss-{N}ewton and full {N}ewton methods in frequency-space seismic
-      waveform inversion},
+	waveform inversion},
   journal = geophysics,
   year = {1998},
   volume = {133},
@@ -10526,7 +10505,7 @@
 @ARTICLE{PrSh99,
   author = {R. Gerhard Pratt and Richard M. Shipp},
   title = {Seismic waveform inversion in the frequency domain, {P}art 2: Fault
-      delineation in sediments using crosshole data},
+	delineation in sediments using crosshole data},
   journal = geophysics,
   year = {1999},
   volume = {64},
@@ -10537,7 +10516,7 @@
 @ARTICLE{PrViPaSc09,
   author = {Tobias Preis and Peter Virnau and Wolfgang Paul and Johannes J. Schneider},
   title = {{GPU} accelerated {M}onte {C}arlo simulation of the {2D} and {3D}
-      {I}sing model},
+	{I}sing model},
   journal = jcp,
   year = {2009},
   volume = {228},
@@ -10557,7 +10536,7 @@
   author = {Daniel K. Price and John R. Humphrey and Eric J. Kelmelis},
   title = {{GPU}-based accelerated {2D} and {3D FDTD} solvers},
   booktitle = {Proceedings of the SPIE Physics and Simulation of Optoelectronic
-      Devices XV Conference},
+	Devices XV Conference},
   publisher = {SPIE and the International Society for Optical Engineering},
   year = {2007},
   volume = {6468},
@@ -10577,7 +10556,7 @@
 @ARTICLE{PrCaSe94,
   author = {E. Priolo and J. M. Carcione and G. Seriani},
   title = {Numerical simulation of interface waves by high-order spectral modeling
-      techniques},
+	techniques},
   journal = jasa,
   year = {1994},
   volume = {95},
@@ -10588,7 +10567,7 @@
 @ARTICLE{PuAmKa09,
   author = {de la Puente, J. and Ampuero, J. P. and K\"aser, M.},
   title = {Dynamic rupture modeling on unstructured meshes using a discontinuous
-      {G}alerkin method},
+	{G}alerkin method},
   journal = jgr,
   year = {2009},
   volume = {114},
@@ -10609,7 +10588,7 @@
 @ARTICLE{QiGe98,
   author = {Q. Qi and T. L. Geers},
   title = {Evaluation of the {P}erfectly {M}atched {L}ayer for computational
-      acoustics},
+	acoustics},
   journal = jcp,
   year = {1998},
   volume = {139},
@@ -10630,7 +10609,7 @@
 @ARTICLE{QuTaZa98,
   author = {A. Quarteroni and A. Tagliani and E. Zampieri},
   title = {Generalized {G}alerkin approximations of elastic waves with absorbing
-      boundary conditions},
+	boundary conditions},
   journal = cmame,
   year = {1998},
   volume = {163},
@@ -10639,9 +10618,9 @@
 
 @ARTICLE{Quiroga2005,
   author = {G. Quiroga-Goode and S. Jim\'enez-Hern\'andez and M. A. P\'erez-Flores
-      and R. Padilla-Hern\'andez},
+	and R. Padilla-Hern\'andez},
   title = {Computational study of seismic waves in homogeneous dynamic-porosity
-      media with thermal and fluid relaxation: {G}auging {B}iot theory},
+	media with thermal and fluid relaxation: {G}auging {B}iot theory},
   journal = jgr,
   year = {2005},
   volume = {110},
@@ -10652,7 +10631,7 @@
 @ARTICLE{RuRy00,
   author = {G. R\"umpker and T. Ryberg},
   title = {New "Fresnel-zone" estimates for shear-wave splitting observations
-      from finite-difference modeling},
+	from finite-difference modeling},
   journal = grl,
   year = {2000},
   volume = {27},
@@ -10662,7 +10641,7 @@
 @ARTICLE{RaNaLi09,
   author = {Nikunj Raghuvanshi and Rahul Narain and Ming C. Lin},
   title = {Efficient and Accurate Sound Propagation Using Adaptive Rectangular
-      Decomposition},
+	Decomposition},
   journal = {IEEE Transactions on Visualization and Computer Graphics},
   year = {2009},
   volume = {15},
@@ -10674,7 +10653,7 @@
 @ARTICLE{Rah04,
   author = {A. N. Rahmouni},
   title = {Un mod\`ele {PML} bien pos\'e pour l'\'elastodynamique anisotrope
-      ({A} well-posed {PML} model for anisotropic elastodynamics)},
+	({A} well-posed {PML} model for anisotropic elastodynamics)},
   journal = {C. R. Acad. Sci. Paris, Ser. I},
   year = {2004},
   volume = {338},
@@ -10684,7 +10663,7 @@
 @PHDTHESIS{Rah00,
   author = {A. N. Rahmouni},
   title = {Des mod\`eles {PML} bien pos\'es pour divers probl\`emes hyperboliques
-      ({S}ome well-posed {PML} models for several hyperbolic problems)},
+	({S}ome well-posed {PML} models for several hyperbolic problems)},
   school = {University of Paris XIII, France},
   year = {2000}
 }
@@ -10728,7 +10707,7 @@
 @ARTICLE{reidetal2001,
   author = {F. J. L. Reid and J. H. Woodhouse and H. J. van Heijst},
   title = {Upper mantle attenuation and velocity structure from measurements
-      of differential S phases},
+	of differential S phases},
   journal = gji,
   year = {2001},
   volume = {145},
@@ -10747,8 +10726,8 @@
 @ARTICLE{Ria96,
   author = {J. A. Rial},
   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?},
+	site during the {N}orthridge 1994 {S}outhern {C}alifornia earthquake:
+	a resonant, sliding block?},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -10776,7 +10755,7 @@
 @ARTICLE{RiMeGrBr05,
   author = {J. E. Richardson and H. J. Melosh and R. J. Greenberg and D. P. O'Brien},
   title = {The global effects of impact-induced seismic activity on fractured
-      asteroid surface morphology},
+	asteroid surface morphology},
   journal = {Icarus},
   year = {2005},
   volume = {179},
@@ -10795,8 +10774,8 @@
 @PHDTHESIS{Rio97,
   author = {Bruno Riollet},
   title = {Simulation num\'erique de la propagation d'ondes sismiques en milieu
-      fractur\'e ({N}umerical simulation of wave propagation in media with
-      cracks)},
+	fractur\'e ({N}umerical simulation of wave propagation in media with
+	cracks)},
   school = {Universit\'e Paris {\sc VII} Jussieu},
   year = {1997},
   address = {Paris}
@@ -10817,17 +10796,20 @@
 @ARTICLE{RiDeVaWo10,
   author = {J. Ritsema and A. Deuss and H. J. {Van Heijst} and J. H. Woodhouse},
   title = {{S40RTS}: a degree-40 shear-velocity model for the mantle from new
-      Rayleigh wave dispersion, teleseismic traveltime and normal-mode
-      splitting function measurements},
+	Rayleigh wave dispersion, teleseismic traveltime and normal-mode
+	splitting function measurements},
   journal = gji,
-  year = {2010},
+  year = {2011},
+  volume = {184},
+  pages = {1223-1236},
+  number = {3},
   doi = {10.1111/j.1365-246X.2010.04884.x}
 }
 
 @ARTICLE{ritsemavanheijst2002,
   author = {J. Ritsema and H. J. van Heijst},
   title = {Constraints on the correlation of P- and S-wave velocity heterogeneity
-      in the mantle from P, PP, PPP, and PKPab traveltimes},
+	in the mantle from P, PP, PPP, and PKPab traveltimes},
   journal = gji,
   year = {2002},
   volume = {149},
@@ -10845,9 +10827,9 @@
 
 @ARTICLE{RiRiKoTrHe02,
   author = {J. Ritsema and L. A. Rivera and D. Komatitsch and J. Tromp and H.
-      J. van Heijst},
+	J. van Heijst},
   title = {The effects of crust and mantle heterogeneity on {PP/P} and {SS/S}
-      amplitude ratios},
+	amplitude ratios},
   journal = grl,
   year = {2002},
   volume = {29},
@@ -10859,7 +10841,7 @@
 @ARTICLE{RiVa00,
   author = {J. Ritsema and H. J. {Van Heijst}},
   title = {Seismic imaging of structural heterogeneity in {E}arth's mantle:
-      Evidence for large-scale mantle flow},
+	Evidence for large-scale mantle flow},
   journal = {Science Progress},
   year = {2000},
   volume = {83},
@@ -10887,7 +10869,7 @@
 @ARTICLE{RiWh03,
   author = {B. Rivi\`ere and M. F. Wheeler},
   title = {Discontinuous Finite Element Methods for Acoustic and Elastic Wave
-      Problems},
+	Problems},
   journal = {Contemporary Mathematics},
   year = {2003},
   volume = {329},
@@ -10897,7 +10879,7 @@
 @ARTICLE{Rob96,
   author = {J. O. A. Robertsson},
   title = {A numerical free-surface condition for elastic/viscoelastic finite-difference
-      modeling in the presence of topography},
+	modeling in the presence of topography},
   journal = geophysics,
   year = {1996},
   volume = {61},
@@ -10915,7 +10897,7 @@
 
 @ARTICLE{RoThVeMuWi02,
   author = {M. S. Robinson and P. C. Thomas and J. Veverka and S. L. Murchie
-      and B. B. Wilcox},
+	and B. B. Wilcox},
   title = {The geology of 433 Eros},
   journal = {Meteoritics and Planetary Sciences},
   year = {2002},
@@ -10926,7 +10908,7 @@
 @ARTICLE{RoGe00,
   author = {J. A. Roden and S. D. Gedney},
   title = {Convolution {PML} ({CPML}): {A}n Efficient {FDTD} Implementation
-      of the {CFS}-{PML} for Arbitrary Media},
+	of the {CFS}-{PML} for Arbitrary Media},
   journal = {Microwave and Optical Technology Letters},
   year = {2000},
   volume = {27},
@@ -10945,9 +10927,9 @@
 
 @ARTICLE{RoSaLuMa06,
   author = {A. Rodr\'{\i}guez-Castellanos and F.J. S\'anchez-Sesma and F. Luz\'on
-      and R. Martin},
+	and R. Martin},
   title = {Multiple scattering of elastic waves by subsurface fractures and
-      cavities},
+	cavities},
   journal = bssa,
   year = {2006},
   volume = {96},
@@ -10957,9 +10939,9 @@
 
 @INPROCEEDINGS{RoHaStScHw08,
   author = {Christopher I. Rodrigues and David J. Hardy and John E. Stone and
-      Klaus Schulten and Wen{-}mei W. Hwu},
+	Klaus Schulten and Wen{-}mei W. Hwu},
   title = {{GPU} acceleration of cutoff pair potentials for molecular modeling
-      applications},
+	applications},
   booktitle = {Proceedings of the 2008 conference on Computing Frontiers},
   year = {2008},
   pages = {273--282},
@@ -10970,7 +10952,7 @@
 @PHDTHESIS{Rod93,
   author = {Dominique Rodrigues},
   title = {Simulation de la propagation d'ondes sismiques sur machine massivement
-      parall\`ele},
+	parall\`ele},
   school = {\'Ecole Centrale de Paris},
   year = {1993},
   address = {Paris, France}
@@ -10979,7 +10961,7 @@
 @INPROCEEDINGS{RoMo93,
   author = {D. Rodrigues and P. Mora},
   title = {Implementation of the free surface boundary condition in 2-{D} and
-      3-{D} elastic cases},
+	3-{D} elastic cases},
   booktitle = {Expanded abstracts of the Soc. Expl. Geophys.},
   year = {1993},
   pages = {215-217},
@@ -10998,7 +10980,7 @@
 @ARTICLE{RoVaHelene,
   author = {A. A. Rodriguez and A. Valli},
   title = {Domain Decomposition Algorithms for Time-harmonic {M}axwell Equations
-      with Damping},
+	with Damping},
   journal = {Mathematical Modelling and Numerical Analysis},
   year = {2001},
   volume = {35},
@@ -11009,7 +10991,7 @@
 @ARTICLE{RoLaGaRu04,
   author = {J. M. Rokosky and T. Lay and E. J. Garnero and S. A. Russel},
   title = {High-resolution investigation of shear wave anisotropy in {D}'' beneath
-      the {C}ocos plate},
+	the {C}ocos plate},
   journal = grl,
   year = {2004},
   volume = {31},
@@ -11020,7 +11002,7 @@
 @ARTICLE{Rol68,
   author = {F. R. {Rollins Jr}},
   title = {Ultrasonic examination of liquid-solid boundaries using a right-angle
-      reflector technique},
+	reflector technique},
   journal = jasa,
   year = {1968},
   volume = {44},
@@ -11031,7 +11013,7 @@
 @ARTICLE{RolLimFar68,
   author = {F. R. {Rollins Jr} and T. C. Lim and G. W. Farnell},
   title = {Ultrasonic reflectivity and surface wave phenomena on surfaces of
-      copper single crystals},
+	copper single crystals},
   journal = {Applied Physics Letters},
   year = {1968},
   volume = {12},
@@ -11051,7 +11033,7 @@
 @ARTICLE{romanowicz1998,
   author = {B. Romanowicz},
   title = {Attenuation tomography of the {E}arth's mantle: a review of current
-      status},
+	status},
   journal = pageoph,
   year = {1998},
   volume = {153},
@@ -11061,7 +11043,7 @@
 @ARTICLE{romanowiczgung2002,
   author = {B. Romanowicz and Y. C. Gung},
   title = {Superplumes from the core-mantle boundary to the lithosphere: implications
-      for heat flux},
+	for heat flux},
   journal = {Science},
   year = {2002},
   volume = {296},
@@ -11071,7 +11053,7 @@
 @ARTICLE{RoIaPa96,
   author = {C. Ronchi and R. Ianoco and P. S. Paolucci},
   title = {The ``{C}ubed {S}phere'': a new method for the solution of partial
-      differential equations in spherical geometry},
+	differential equations in spherical geometry},
   journal = jcp,
   year = {1996},
   volume = {124},
@@ -11081,7 +11063,7 @@
 @INCOLLECTION{RoBoFi05,
   author = {S. Rondenay and M. G. Bostock and K. M. Fischer},
   title = {Multichannel inversion of scattered teleseismic body waves: practical
-      considerations},
+	considerations},
   booktitle = {Seismic Earth: Array Analysis of Broadband Seismograms},
   publisher = {American Geophysical Union},
   year = {2005},
@@ -11095,8 +11077,8 @@
 @ARTICLE{RoHiRi03,
   author = {S\'everine Rosat and Jacques Hinderer and Luis Rivera},
   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},
+	football mode ${}_0{S}_2$ after the {J}une 2001 {P}eru earthquake
+	of magnitude 8.4},
   journal = grl,
   year = {2003},
   volume = {30},
@@ -11107,9 +11089,9 @@
 
 @ARTICLE{RoBeCoKo10,
   author = {Diego Rossinelli and Michael Bergdorf and Georges-Henri Cottet and
-      Petros Koumoutsakos},
+	Petros Koumoutsakos},
   title = {{GPU} accelerated simulations of bluff body flows using vortex particle
-      methods},
+	methods},
   journal = jcp,
   year = {2010},
   volume = {229},
@@ -11121,7 +11103,7 @@
 @ARTICLE{Roy08,
   author = {D. Royer},
   title = {Stresses and displacements for some Rayleigh-type surface acoustic
-      waves propagating on an anisotropic half space (L)},
+	waves propagating on an anisotropic half space (L)},
   journal = jasa,
   year = {2008},
   volume = {123},
@@ -11140,7 +11122,7 @@
 @ARTICLE{RoyDie84,
   author = {D. Royer and E. Dieulesaint},
   title = {Rayleigh wave velocity and displacement in orthorhombic, tetragonal,
-      hexagonal, and cubic crystals},
+	hexagonal, and cubic crystals},
   journal = jasa,
   year = {1984},
   volume = {76},
@@ -11161,7 +11143,7 @@
   author = {M. Rumpf and R. Strzodka},
   title = {Graphics {P}rocessor {U}nits: {N}ew prospects for parallel computing},
   booktitle = {Numerical Solution to Partial Differential Equations on Parallel
-      Computers},
+	Computers},
   year = {2006},
   volume = {51},
   series = {Lecture Notes in Computational Science and Engineering},
@@ -11182,8 +11164,8 @@
 @ARTICLE{RuLaGa99,
   author = {S. A. Russell and T. Lay and E. J. Garnero},
   title = {Small-scale lateral shear velocity and anisotropy heterogeneity near
-      the core-mantle boundary beneath the central {P}acific imaged using
-      broadband {ScS} waves},
+	the core-mantle boundary beneath the central {P}acific imaged using
+	broadband {ScS} waves},
   journal = jgr,
   year = {1999},
   volume = {104},
@@ -11222,7 +11204,7 @@
 @PHDTHESIS{Ron88,
   author = {E. M. R{\o}nquist},
   title = {Optimal spectral element methods for the unsteady three-dimensional
-      incompressible {N}avier-{S}tokes equations},
+	incompressible {N}avier-{S}tokes equations},
   school = {Massachussets Institute of Technology},
   year = {1988},
   address = {Massachussets}
@@ -11231,9 +11213,9 @@
 @INPROCEEDINGS{RoPa88,
   author = {E. M. R{\o}nquist and A. T. Patera},
   title = {A {L}egendre Spectral-Element Method for the Incompressible {N}avier-{S}tokes
-      Equations},
+	Equations},
   booktitle = {Proc. of the Seventh GAMM Conference on Numerical Methods in Fluid
-      Mechanics},
+	Mechanics},
   year = {1988},
   editor = {M. Deville},
   pages = {318-326},
@@ -11252,7 +11234,7 @@
 @ARTICLE{SuSh03,
   author = {M. P. S\"uss and J. H. Shaw},
   title = {P wave seismic velocity structure derived from sonic logs and industry
-      reflection data in the {L}os {A}ngeles basin, {C}alifornia},
+	reflection data in the {L}os {A}ngeles basin, {C}alifornia},
   journal = jgr,
   year = {2003},
   volume = {108},
@@ -11303,7 +11285,7 @@
 @ARTICLE{SaCa91,
   author = {F. J. S\'anchez-Sesma and M. Campillo},
   title = {Diffraction of {{\it P}}, {{\it SV}} and {R}ayleigh waves by topographic
-      features: a boundary integral formulation},
+	features: a boundary integral formulation},
   journal = bssa,
   year = {1991},
   volume = {81},
@@ -11313,7 +11295,7 @@
 @ARTICLE{SaLu96,
   author = {F. J. S\'anchez-Sesma and F. Luz\'on},
   title = {Can horizontal {{\it P}} waves be trapped and resonate in a shallow
-      sedimentary basin?},
+	sedimentary basin?},
   journal = gji,
   year = {1996},
   volume = {124},
@@ -11323,8 +11305,8 @@
 @ARTICLE{SaRaCa93,
   author = {F. J. S\'anchez-Sesma and J. Ramos-Martinez and M. Campillo},
   title = {An indirect boundary element method applied to simulate the seismic
-      response of alluvial valleys for incident {{\it P, SV}} and {R}ayleigh
-      waves},
+	response of alluvial valleys for incident {{\it P, SV}} and {R}ayleigh
+	waves},
   journal = eesd,
   year = {1993},
   volume = {22},
@@ -11334,7 +11316,7 @@
 @ARTICLE{SaRo79,
   author = {F. J. S\'anchez-Sesma and E. Rosenblueth},
   title = {Ground motion at canyons of arbitrary shape under incident {{\it
-      SH}} waves},
+	SH}} waves},
   journal = eesd,
   year = {1979},
   volume = {7},
@@ -11344,7 +11326,7 @@
 @ARTICLE{SaKiLeLe95,
   author = {Z. S. Sacks and D. M. Kingsland and R. Lee and J. F. Lee},
   title = {A {P}erfectly {M}atched anisotropic absorber for use as an absorbing
-      boundary condition},
+	boundary condition},
   journal = {IEEE transactions on Antennas and Propagation},
   year = {1995},
   volume = {43},
@@ -11355,7 +11337,7 @@
 @ARTICLE{Sad72,
   author = {R. Sadourny},
   title = {Conservative finite-difference approximations of the primitive equations
-      on quasi-uniform spherical grids},
+	on quasi-uniform spherical grids},
   journal = {Monthly Weather Review},
   year = {1972},
   volume = {100},
@@ -11365,7 +11347,7 @@
 @ARTICLE{SaBo04,
   author = {Erik H. Saenger and Thomas Bohlen},
   title = {Finite-difference modeling of viscoelastic and anisotropic wave propagation
-      using the rotated staggered grid},
+	using the rotated staggered grid},
   journal = geophysics,
   year = {2004},
   volume = {69},
@@ -11377,7 +11359,7 @@
 @ARTICLE{SaGoSh00,
   author = {E. H. Saenger and N. Gold and S. A. Shapiro},
   title = {Modeling the propagation of elastic waves using a modified finite-difference
-      grid},
+	grid},
   journal = {Wave Motion},
   year = {2000},
   volume = {31},
@@ -11388,7 +11370,7 @@
 @ARTICLE{SaSh02,
   author = {E. H. Saenger and S. A. Shapiro},
   title = {Effective velocities in fractured media: a numerical study using
-      the rotated staggered finite-difference grid},
+	the rotated staggered finite-difference grid},
   journal = {Geophysical Prospecting},
   year = {2002},
   volume = {50},
@@ -11398,7 +11380,7 @@
 @ARTICLE{SaOd93,
   author = {A. Safjan and J. T. Oden},
   title = {High-order {T}aylor-{G}alerkin and adaptative {\it h-p} methods for
-      second-order hyperbolic systems: application to elastodynamics},
+	second-order hyperbolic systems: application to elastodynamics},
   journal = cmame,
   year = {1993},
   volume = {103},
@@ -11417,7 +11399,7 @@
 @ARTICLE{SaKaSaPi01,
   author = {Toshimi Satoh and Hiroshi Kawase and Toshiaki Sato and Arben Pitarka},
   title = {Three-Dimensional Finite-Difference Waveform Modeling of Strong Motions
-      Observed in the {S}endai Basin, {J}apan},
+	Observed in the {S}endai Basin, {J}apan},
   journal = bssa,
   year = {2001},
   volume = {91},
@@ -11438,7 +11420,7 @@
 @INPROCEEDINGS{SavWiTr05,
   author = {Savage, B. and D. A. Wiens and J. Tromp},
   title = {Effects of 3{D} Velocity and Attenuation in the {T}onga-{F}iji Subduction
-      Zone},
+	Zone},
   booktitle = {Expanded abstracts of the American Geophysical Union},
   year = {Fall Meeting 2005},
   note = {abstract T31D-04}
@@ -11447,7 +11429,7 @@
 @ARTICLE{ScHuYeHu96,
   author = {C. L. Schneider and C. Hummon and R. S. Yeats and G. J. Huftile},
   title = {Structural evolution of the northern {L}os {A}ngeles basin, {C}alifornia,
-      based on growth strata},
+	based on growth strata},
   journal = {Tectonics},
   year = {1996},
   volume = {15},
@@ -11468,7 +11450,7 @@
   author = {Bianca Schroeder and Eduardo Pinheiro and Wolf-Dietrich Weber},
   title = {{DRAM} errors in the wild: {A} large-scale field study},
   booktitle = {SIGMETRICS/Performance '09: Proceedings of the 2009 Joint International
-      Conference on Measurement \& Modeling of Computer Systems},
+	Conference on Measurement \& Modeling of Computer Systems},
   year = {2009},
   pages = {193--204},
   month = jun,
@@ -11478,7 +11460,7 @@
 @TECHREPORT{Sch03,
   author = {B. Schubert},
   title = {The spectral-element method for seismic wave propagation: theory,
-      implementation and comparison to finite-difference methods},
+	implementation and comparison to finite-difference methods},
   institution = {University of Munich},
   year = {2003},
   address = {Germany},
@@ -11497,7 +11479,7 @@
 @ARTICLE{Ser98,
   author = {G\'eza Seriani},
   title = {3-{D} large-scale wave propagation modeling by a spectral element
-      method on a {C}ray {T3E} multiprocessor},
+	method on a {C}ray {T3E} multiprocessor},
   journal = cmame,
   year = {1998},
   volume = {164},
@@ -11516,7 +11498,7 @@
 @ARTICLE{SeOl08,
   author = {G. Seriani and S. P. Oliveira},
   title = {Dispersion analysis of spectral-element methods for elastic wave
-      propagation},
+	propagation},
   journal = {Wave Motion},
   year = {2008},
   volume = {45},
@@ -11527,7 +11509,7 @@
 @ARTICLE{SePr94,
   author = {G. Seriani and E. Priolo},
   title = {A spectral element method for acoustic wave simulation in heterogeneous
-      media},
+	media},
   journal = {Finite Elements in Analysis and Design},
   year = {1994},
   volume = {16},
@@ -11558,7 +11540,7 @@
   author = {G. Seriani and E. Priolo and A. Pregarz},
   title = {Modelling waves in anisotropic media by a spectral element method},
   booktitle = {Proceedings of the third international conference on mathematical
-      and numerical aspects of wave propagation},
+	and numerical aspects of wave propagation},
   year = {1995},
   editor = {G. Cohen},
   pages = {289-298},
@@ -11579,7 +11561,7 @@
 @ARTICLE{ShOlSi02,
   author = {Nikolai M. Shapiro and Kim B. Olsen and Shri K. Singh},
   title = {On the duration of seismic motion incident onto the Valley of {M}exico
-      for subduction zone earthquakes},
+	for subduction zone earthquakes},
   journal = gji,
   year = {2002},
   volume = {151},
@@ -11589,7 +11571,7 @@
 @ARTICLE{Sha07,
   author = {M. D. Sharma},
   title = {Spatial dispersion of surface waves at the free surface of a general
-      anisotropic elastic medium},
+	anisotropic elastic medium},
   journal = {Journal of Seismology},
   year = {2007},
   volume = {11},
@@ -11599,7 +11581,7 @@
 @INPROCEEDINGS{ShSuRi99,
   author = {J. H. Shaw and P. S\"uss and C. Rivero},
   title = {Structural and seismologic investigations of concealed earthquake
-      sources in the {L}os {A}ngeles metropolitan area},
+	sources in the {L}os {A}ngeles metropolitan area},
   booktitle = {SCEC Annual Meeting},
   year = {1999},
   address = {Palm Springs, California}
@@ -11617,7 +11599,7 @@
 @ARTICLE{ShSu96,
   author = {John H. Shaw and J. Suppe},
   title = {Earthquake hazards of active blind-thrust faults under the central
-      {L}os {A}ngeles basin, {C}alifornia},
+	{L}os {A}ngeles basin, {C}alifornia},
   journal = jgr,
   year = {1996},
   volume = {101},
@@ -11627,7 +11609,7 @@
 @INPROCEEDINGS{Sheaffer:2007:AHR,
   author = {Jeremy W. Sheaffer and David P. Luebke and Kevin Skadron},
   title = {A Hardware Redundancy and Recovery Mechanism for Reliable Scientific
-      Computation on Graphics Processors},
+	Computation on Graphics Processors},
   booktitle = {Graphics Hardware 2007},
   year = {2007},
   editor = {Timo Aila and Mark Segal},
@@ -11646,9 +11628,9 @@
 
 @ARTICLE{ShTuBaOr06,
   author = {Dong-Hoon Sheen and Kagan Tuncay and Chang-Eob Baag and Peter J.
-      Ortoleva},
+	Ortoleva},
   title = {Parallel implementation of a velocity-stress staggered-grid finite-difference
-      method for 2-{D} poroelastic wave propagation},
+	method for 2-{D} poroelastic wave propagation},
   journal = {Computers and Geosciences},
   year = {2006},
   volume = {32},
@@ -11678,21 +11660,21 @@
 @ARTICLE{ShKarn95,
   author = {S. J. Sherwin and G. E. Karniadakis},
   title = {A triangular spectral element method: applications to the incompressible
-      {N}avier-{S}tokes equations},
+	{N}avier-{S}tokes equations},
   journal = cmame,
   year = {1995},
   volume = {123},
   pages = {189-229}
 }
 
- at ARTICLE{Shinguetal2002,
+ at INPROCEEDINGS{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},
+	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},
   title = {A 26.58 teraflops Global Atmospheric Simulation with the Spectral
-      Transform Method on the {E}arth {S}imulator},
-  journal = {Proceedings of the ACM/IEEE Supercomputing SC'2002 conference},
+	Transform Method on the {E}arth {S}imulator},
+  booktitle = {SC'02: Proceedings of the 2002 ACM/IEEE conference on Supercomputing},
   year = {2002},
   note = {Published on CD-ROM and at www.sc-conference.org/sc2002}
 }
@@ -11700,7 +11682,7 @@
 @ARTICLE{Shu02,
   author = {A. L. Shuvalov},
   title = {Erratum: {O}n the theory of plane inhomogeneous waves in anisotropic
-      elastic media},
+	elastic media},
   journal = {Wave Motion},
   year = {2002},
   volume = {36},
@@ -11710,7 +11692,7 @@
 @ARTICLE{Shu01,
   author = {A. L. Shuvalov},
   title = {On the theory of plane inhomogeneous waves in anisotropic elastic
-      media},
+	media},
   journal = {Wave Motion},
   year = {2001},
   volume = {34},
@@ -11720,7 +11702,7 @@
 @ARTICLE{ShuEve00,
   author = {A. L. Shuvalov and A. G. Every},
   title = {Transverse curvature of the acoustic slowness surface in crystal
-      symmetry planes and associated phonon focusing cusps},
+	symmetry planes and associated phonon focusing cusps},
   journal = jasa,
   year = {2000},
   volume = {108},
@@ -11731,7 +11713,7 @@
 @ARTICLE{ShuEve97,
   author = {A. L. Shuvalov and A. G. Every},
   title = {Shape of the acoustic slowness surface of anisotropic solids near
-      points of conical degeneracy},
+	points of conical degeneracy},
   journal = jasa,
   year = {1997},
   volume = {101},
@@ -11742,7 +11724,7 @@
 @ARTICLE{ShuPonDes05,
   author = {A. L. Shuvalov and O. Poncelet and M. Deschamps},
   title = {Plane inhomogeneous elastic waves in transversely isotropic media:
-      explicit analysis of different types of degeneracy},
+	explicit analysis of different types of degeneracy},
   journal = {Mathematics and Mechanics of Solids},
   year = {2005},
   volume = {10},
@@ -11752,7 +11734,7 @@
 @ARTICLE{SiLiTrTr07a,
   author = {Anne Sieminski and Qinya Liu and Jeannot Trampert and Jeroen Tromp},
   title = {Finite-frequency sensitivity of surface waves to anisotropy based
-      upon adjoint methods},
+	upon adjoint methods},
   journal = gji,
   year = {2007},
   volume = {168},
@@ -11764,7 +11746,7 @@
 @ARTICLE{SiLiTrTr07b,
   author = {Anne Sieminski and Qinya Liu and Jeannot Trampert and Jeroen Tromp},
   title = {Finite-frequency sensitivity of body waves to anisotropy based upon
-      adjoint methods},
+	adjoint methods},
   journal = gji,
   year = {2007},
   volume = {171},
@@ -11775,7 +11757,7 @@
 @ARTICLE{silver1996,
   author = {P. G. Silver},
   title = {Seismic anisotropy beneath the continents: Probing the depths of
-      geology},
+	geology},
   journal = {Annual Review of Earth and Planetary Sciences},
   year = {1996},
   volume = {24},
@@ -11785,8 +11767,8 @@
 @ARTICLE{Sim92,
   author = {J. C. Simo},
   title = {Algorithms for static and dynamic multiplicative plasticity that
-      preserve the classical return mapping schemes of the infinitesimal
-      theory},
+	preserve the classical return mapping schemes of the infinitesimal
+	theory},
   journal = cmame,
   year = {1992},
   volume = {99},
@@ -11796,7 +11778,7 @@
 @ARTICLE{SiTaWo92,
   author = {J. C. Simo and N. Tarnow and K. K. Wong},
   title = {Exact energy-momentum conserving algorithms and symplectic schemes
-      for nonlinear dynamics},
+	for nonlinear dynamics},
   journal = cmame,
   year = {1992},
   volume = {100},
@@ -11806,7 +11788,7 @@
 @ARTICLE{simonsetal2002,
   author = {F. J. Simons and R. D. van der Hilst and J. P. Montagner and A. Zielhuis},
   title = {Multimode {R}ayleigh wave inversion for heterogeneity and azimuthal
-      anisotropy of the {A}ustralian upper mantle},
+	anisotropy of the {A}ustralian upper mantle},
   journal = gji,
   year = {2002},
   volume = {151},
@@ -11817,7 +11799,7 @@
 @ARTICLE{SiSa77,
   author = {S. K. Singh and F. J. Sabina},
   title = {Ground-motion amplification by topographic depressions for incident
-      {{\it P}} wave under acoustic approximation},
+	{{\it P}} wave under acoustic approximation},
   journal = bssa,
   year = {1977},
   volume = {67},
@@ -11827,7 +11809,7 @@
 @ARTICLE{SiPr04,
   author = {Laurent Sirgue and R. Gerhard Pratt},
   title = {Efficient waveform inversion and imaging: A strategy for selecting
-      temporal frequencies},
+	temporal frequencies},
   journal = geophysics,
   year = {2004},
   volume = {69},
@@ -11856,7 +11838,7 @@
 @ARTICLE{smith&dahlen73,
   author = {M. L. Smith and F. A. Dahlen},
   title = {The azimuthal dependence of {L}ove and {R}ayleigh wave propagation
-      in a slightly anisotropic medium},
+	in a slightly anisotropic medium},
   journal = jgr,
   year = {1973},
   volume = {78},
@@ -11865,9 +11847,9 @@
 
 @ARTICLE{SmCoObOvSch10,
   author = {Thomas M. Smith and S. Scott Collis and Curtis C. Ober and James
-      R. Overfelt and Hans F. Schwaiger},
+	R. Overfelt and Hans F. Schwaiger},
   title = {Elastic Wave Propagation in Variable Media using a Discontinuous
-      Galerkin Method},
+	Galerkin Method},
   journal = {SEG Technical Program Expanded Abstracts},
   year = {2010},
   volume = {29},
@@ -11880,7 +11862,7 @@
 @ARTICLE{Soa09,
   author = {Soares Jr., Delfim},
   title = {Acoustic modelling by {BEM-FEM} coupling procedures taking into account
-      explicit and implicit multi-domain decomposition techniques},
+	explicit and implicit multi-domain decomposition techniques},
   journal = ijnme,
   year = {2009},
   volume = {78},
@@ -11892,7 +11874,7 @@
 @ARTICLE{SoMa05,
   author = {Soares Jr., D. and W. J. Mansur},
   title = {An Efficient Time-Domain {BEM-FEM} Coupling for Acoustic-Elastodynamic
-      Interaction Problems},
+	Interaction Problems},
   journal = cmes,
   year = {2005},
   volume = {8},
@@ -11903,8 +11885,8 @@
 @ARTICLE{SoMaLi07,
   author = {Soares Jr., D. and W. J. Mansur and D. L. Lima},
   title = {An Explicit Multi-Level Time-Step Algorithm to Model the Propagation
-      of Interacting Acoustic-Elastic Waves Using Finite-Element/Finite-Difference
-      Coupled Procedures},
+	of Interacting Acoustic-Elastic Waves Using Finite-Element/Finite-Difference
+	Coupled Procedures},
   journal = cmes,
   year = {2007},
   volume = {17},
@@ -11914,7 +11896,7 @@
 
 @ARTICLE{SoKuGeFlSm87,
   author = {J. Sochacki and R. Kubichek and J. George and W. R. Fletcher and
-      S. Smithson},
+	S. Smithson},
   title = {Absorbing boundary conditions and surface waves},
   journal = geophysics,
   year = {1987},
@@ -11953,7 +11935,7 @@
 @ARTICLE{SoRo97,
   author = {A. Souriau and B. Romanowicz},
   title = {Anisotropy in inner core attenuation: a new type of data to constrain
-      the nature of the solid core},
+	the nature of the solid core},
   journal = grl,
   year = {1997},
   volume = {23},
@@ -11971,7 +11953,7 @@
 @ARTICLE{spetzleretal2001,
   author = {J. Spetzler and J. Trampert and R. Snieder},
   title = {{Are we exceeding the limits of the great circle approximation in
-      global surface wave tomography?}},
+	global surface wave tomography?}},
   journal = grl,
   year = {2001},
   volume = {28},
@@ -11981,8 +11963,8 @@
 @ARTICLE{SpHeLe96,
   author = {P. Spudich and M. Hellweg and W. H. K. Lee},
   title = {Directional topographic site response at {T}arzana observed in aftershocks
-      of the 1994 {N}orthridge, {C}alifornia, earthquake: implications
-      for mainshock motions},
+	of the 1994 {N}orthridge, {C}alifornia, earthquake: implications
+	for mainshock motions},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -12011,9 +11993,9 @@
 
 @ARTICLE{StKeOwBlStSh10,
   author = {M. L. Staten and R. A. Kerr and S. J. Owen and T. D. Blacker and
-      M. Stupazzini and K. Shimada},
+	M. Stupazzini and K. Shimada},
   title = {Unconstrained plastering---Hexahedral mesh generation via advancing-front
-      geometry decomposition},
+	geometry decomposition},
   journal = {International Journal for Numerical Methods in Engineering},
   year = {2010},
   volume = {81},
@@ -12023,7 +12005,7 @@
 @ARTICLE{Ste76,
   author = {G.I. Stegeman},
   title = {Normal-mode surface waves in pseudo-branch on (001) plane of gallium
-      arsenide},
+	arsenide},
   journal = {Journal of Applied Physics},
   year = {1976},
   volume = {47},
@@ -12037,7 +12019,7 @@
   year = {2000},
   address = {Pasadena, California},
   note = {presented at the Supercomputing'2000 conference, Dallas, Texas, Nov.
-      2000}
+	2000}
 }
 
 @BOOK{StMe95,
@@ -12050,7 +12032,7 @@
 
 @BOOK{StSaBeSa99,
   title = {How to build a {B}eowulf, a guide to the implementation and application
-      of {PC} clusters},
+	of {PC} clusters},
   publisher = {MIT Press},
   year = {1999},
   author = {T. L. Sterling and J. Salmon and D. J. Becker and D. F. Savarese},
@@ -12060,7 +12042,7 @@
 @ARTICLE{StMcShDa93,
   author = {J. L. Stevens and K. L. McLaughlin and B. Shkoller and S. M. Day},
   title = {2-{D} axisymmetric calculations of surface waves generated by an
-      explosion in an island, mountain and sedimentary basin},
+	explosion in an island, mountain and sedimentary basin},
   journal = gji,
   year = {1993},
   volume = {114},
@@ -12070,7 +12052,7 @@
 @ARTICLE{StAnDrLaRo99,
   author = {C. Stidham and M. Antolik and D. Dreger and S. Larsen and B. Romanowicz},
   title = {Three-dimensional Structure Influences on the Strong Motion Wavefield
-      of the 1989 {L}oma {P}rieta Earthquake},
+	of the 1989 {L}oma {P}rieta Earthquake},
   journal = bssa,
   year = {1999},
   volume = {89},
@@ -12089,7 +12071,7 @@
 
 @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},
+	J. Hardy and Leonardo G. Trabuco and Klaus Schulten},
   title = {Accelerating molecular modeling applications with graphics processors},
   journal = {Journal of Computational Chemistry},
   year = {2007},
@@ -12102,7 +12084,7 @@
 
 @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},
+	and B. P. Sutton and Z.-P. Liang},
   title = {Accelerating advanced {MRI} reconstructions on {GPU}s},
   journal = jpdc,
   year = {2008},
@@ -12134,7 +12116,7 @@
   author = {M. Strengert and C. M\"uller and C. Dachsbacher and T. Ertl},
   title = {{CUDASA}: {C}ompute {U}nified {D}evice {A}nd {S}ystems {A}rchitecture},
   booktitle = {Proceedings of the Eurographics'2008 Symposium on Parallel Graphics
-      and Visualization (EGPGV'08)},
+	and Visualization (EGPGV'08)},
   year = {2008},
   editor = {J. Favre and K. L. Ma and D. Weiskopf},
   pages = {49-56},
@@ -12155,7 +12137,7 @@
   author = {Jeff A. Stuart and John D. Owens},
   title = {Message Passing on Data-Parallel Architectures},
   booktitle = {Proceedings of the 23rd IEEE International Parallel and Distributed
-      Processing Symposium},
+	Processing Symposium},
   year = {2009},
   pages = {1--12},
   month = may,
@@ -12165,7 +12147,7 @@
 @ARTICLE{StPaIg09,
   author = {M. Stupazzini and R. Paolucci and H. Igel},
   title = {Near-Fault Earthquake Ground-Motion Simulation in the Grenoble Valley
-      by a High-Performance Spectral Element Code},
+	by a High-Performance Spectral Element Code},
   journal = {Bull. Seismol. Soc. Am.},
   year = {2009},
   volume = {99},
@@ -12176,7 +12158,7 @@
 @ARTICLE{Stu05,
   author = {F. Sturm},
   title = {Numerical study of broadband sound pulse propagation in three-dimensional
-      oceanic waveguides},
+	oceanic waveguides},
   journal = jasa,
   year = {2005},
   volume = {117},
@@ -12217,7 +12199,7 @@
 @ARTICLE{SuTsCh10,
   author = {Alfeus Sunarso and Tomohiro Tsuji and Shigeomi Chono},
   title = {{GPU}-accelerated molecular dynamics simulation for study of liquid
-      crystalline flows},
+	crystalline flows},
   journal = jcp,
   year = {2010},
   volume = {229},
@@ -12246,7 +12228,7 @@
 @ARTICLE{SesmaViv01,
   author = {F. J. S{\'a}nchez-Sesma and U. Iturrar{\'a}n-Viveros},
   title = {Scattering and diffraction of {$SH$} waves by a finite crack: an
-      analytical solution},
+	analytical solution},
   journal = gji,
   year = {2001},
   volume = {145},
@@ -12255,9 +12237,9 @@
 
 @INPROCEEDINGS{TaCrEtViBeSa10,
   author = {J. Tago and Cruz-Atienza, V. M. and \'Etienne, V. and Virieux, J.
-      and Benjemaa, M. and S\'anchez-Sesma, F. J.},
+	and Benjemaa, M. and S\'anchez-Sesma, F. J.},
   title = {3{D} dynamic rupture with anelastic wave propagation using an hp-adaptive
-      {D}iscontinuous {G}alerkin method},
+	{D}iscontinuous {G}alerkin method},
   booktitle = {Abstract S51A-1915 presented at 2010 AGU Fall Meeting},
   year = {2010},
   address = {San Francisco, California, USA},
@@ -12269,8 +12251,8 @@
 @ARTICLE{Taetal00,
   author = {N. Takeuchi and R. J. Geller and P. R. Cummins},
   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},
+	computed using modified {DSM} operators and their applicability to
+	inversion for {E}arth structure},
   journal = pepi,
   year = {2000},
   volume = {119},
@@ -12280,7 +12262,7 @@
 @ARTICLE{TaCo87,
   author = {O. Talagrand and P. Courtier},
   title = {Variational assimilation of meteorological observations with the
-      adjoint vorticity equation. I: Theory},
+	adjoint vorticity equation. I: Theory},
   journal = {Q. J. R. Meteorol. Soc.},
   year = {1987},
   volume = {113},
@@ -12290,7 +12272,7 @@
 @ARTICLE{TaLiMaTr2010,
   author = {Carl Tape and Qinya Liu and Alessia Maggi and Jeroen Tromp},
   title = {Seismic tomography of the southern {C}alifornia crust based on spectral-element
-      and adjoint methods},
+	and adjoint methods},
   journal = gji,
   year = {2010},
   volume = {180},
@@ -12309,7 +12291,7 @@
 @ARTICLE{TaLiTr07,
   author = {Carl Tape and Qinya Liu and Jeroen Tromp},
   title = {Finite-frequency tomography using adjoint methods - {M}ethodology
-      and examples using membrane surface waves},
+	and examples using membrane surface waves},
   journal = gji,
   year = {2007},
   volume = {168},
@@ -12321,7 +12303,7 @@
 @ARTICLE{Tar88,
   author = {A. Tarantola},
   title = {Theoretical background for the inversion of seismic waveforms, including
-      elasticity and attenuation},
+	elasticity and attenuation},
   journal = pageoph,
   year = {1988},
   volume = {128},
@@ -12330,7 +12312,7 @@
 
 @BOOK{Tar87,
   title = {Inverse problem theory: methods for data fitting and model parameter
-      estimation},
+	estimation},
   publisher = {Elsevier Science Publishers},
   year = {1987},
   author = {A. Tarantola},
@@ -12349,7 +12331,7 @@
 @ARTICLE{TaVa82a,
   author = {A. Tarantola and B. Valette},
   title = {Generalized nonlinear inverse problems solved using the least squares
-      criterion},
+	criterion},
   journal = {Rev. Geophys. Space Phys.},
   year = {1982},
   volume = {20},
@@ -12368,7 +12350,7 @@
 @ARTICLE{TaSi94,
   author = {N. Tarnow and J. C. Simo},
   title = {How to render second-order accurate time-stepping algorithms fourth-order
-      accurate while retaining the stability and conservation properties},
+	accurate while retaining the stability and conservation properties},
   journal = cmame,
   year = {1994},
   volume = {115},
@@ -12409,7 +12391,7 @@
 @ARTICLE{TayCur81,
   author = {D. B. Taylor and P. K. Currie},
   title = {The secular equation for {R}ayleigh waves on elastic crystals. {II}
-      {C}orrections and additions},
+	{C}orrections and additions},
   journal = {Quarterly Journal of Mechanics and Applied Mathematics},
   year = {1981},
   volume = {34},
@@ -12419,7 +12401,7 @@
 @TECHREPORT{TayLoft98,
   author = {M. A. Taylor and R. Loft and J. Tribbia},
   title = {Performance of a spectral element atmospheric model ({SEAM}) on the
-      {HP} {E}xemplar {SPP}2000},
+	{HP} {E}xemplar {SPP}2000},
   institution = {National Center for Atmospheric Research},
   year = {1998},
   number = {NCAR/TN-439+EDD},
@@ -12429,7 +12411,7 @@
 @ARTICLE{TaWi00,
   author = {M. A. Taylor and B. A. Wingate},
   title = {A generalized diagonal mass matrix spectral element method for non-quadrilateral
-      elements},
+	elements},
   journal = {Appl. Num. Math.},
   year = {2000},
   volume = {33},
@@ -12449,7 +12431,7 @@
 @ARTICLE{TaTrIs97,
   author = {M. Taylor and J. Tribbia and M. Iskandarani},
   title = {The spectral element method for the shallow water equation on the
-      sphere},
+	sphere},
   journal = jcp,
   year = {1997},
   volume = {130},
@@ -12467,7 +12449,7 @@
 @ARTICLE{taylor_cheng_ourselin_2008,
   author = {Z. A. Taylor and M. Cheng and S. Ourselin},
   title = {High-Speed Nonlinear Finite Element Analysis for Surgical Simulation
-      Using {Graphics Processing Units}},
+	Using {Graphics Processing Units}},
   journal = {IEEE Transactions on Medical Imaging},
   year = {2008},
   volume = {27},
@@ -12479,7 +12461,7 @@
 @ARTICLE{TeCh99,
   author = {F. L. Teixeira and W. C. Chew},
   title = {On causality and dynamic stability of {P}erfectly {M}atched {L}ayers
-      for {FDTD} simulations},
+	for {FDTD} simulations},
   journal = {IEEE transactions on Microwave Theory and Techniques},
   year = {1999},
   volume = {47},
@@ -12511,7 +12493,7 @@
 @ARTICLE{Tes95,
   author = {E. Tessmer},
   title = {3-{D} seismic modelling of general material anisotropy in the presence
-      of the free surface by a {C}hebyshev spectral method},
+	of the free surface by a {C}hebyshev spectral method},
   journal = gji,
   year = {1995},
   volume = {121},
@@ -12521,7 +12503,7 @@
 @ARTICLE{TeKeKo92,
   author = {E. Tessmer and D. Kessler and D. Kosloff and A. Behle},
   title = {Multi-domain {C}hebyshev-{F}ourier method for the solution of the
-      equations of motion of dynamic elasticity},
+	equations of motion of dynamic elasticity},
   journal = jcp,
   year = {1992},
   volume = {100},
@@ -12531,7 +12513,7 @@
 @ARTICLE{TeKo94,
   author = {E. Tessmer and D. Kosloff},
   title = {3-{D} elastic modeling with surface topography by a {C}hebyshev spectral
-      method},
+	method},
   journal = geophysics,
   year = {1994},
   volume = {59},
@@ -12551,7 +12533,7 @@
 @ARTICLE{Tew04,
   author = {V. K. Tewary},
   title = {Green's function method for modeling surface acoustic wave dispersion
-      in anisotropic material systems and determination of material parameters},
+	in anisotropic material systems and determination of material parameters},
   journal = {Wave Motion},
   year = {2004},
   volume = {40},
@@ -12581,7 +12563,7 @@
 @ARTICLE{TewFor92,
   author = {V. K. Tewary and C. M. Fortunko},
   title = {A computationally efficient representation for propagation of elastic
-      waves in anisotropic solids},
+	waves in anisotropic solids},
   journal = jasa,
   year = {1992},
   volume = {91},
@@ -12592,7 +12574,7 @@
 @INPROCEEDINGS{ThSe09,
   author = {Julien C. Thibault and Inanc Senocak},
   title = {{CUDA} Implementation of a {N}avier-{S}tokes Solver on Multi-{GPU}
-      Desktop Platforms for Incompressible Flows},
+	Desktop Platforms for Incompressible Flows},
   booktitle = {Proceedings of the 47th AIAA Aerospace Sciences Meeting},
   year = {2009},
   pages = {1-15}
@@ -12601,7 +12583,7 @@
 @ARTICLE{Toetal00,
   author = {C. Thomas and H. Igel and M. Weber and F Scherbaum},
   title = {Acoustic simulation of {P}-wave propagation in a heterogeneous spherical
-      {E}arth: numerical method and application to precursor waves to {PKP}df},
+	{E}arth: numerical method and application to precursor waves to {PKP}df},
   journal = gji,
   year = {2000},
   volume = {141},
@@ -12611,7 +12593,7 @@
 @ARTICLE{ThKe02,
   author = {C. Thomas and J. M. Kendall},
   title = {The lowermost mantle beneath northern {A}sia-{II}. {E}vidence for
-      lower-mantle anisotropy},
+	lower-mantle anisotropy},
   journal = gji,
   year = {2002},
   volume = {151},
@@ -12630,8 +12612,8 @@
 @PHDTHESIS{Tho94,
   author = {L. L. Thompson},
   title = {Design and analysis of space-time and {G}alerkin-{L}east-{S}quares
-      finite element methods for fluid-structure interactions in exterior
-      domains},
+	finite element methods for fluid-structure interactions in exterior
+	domains},
   school = {Stanford University},
   year = {1994},
   address = {California}
@@ -12640,7 +12622,7 @@
 @ARTICLE{ThPi96a,
   author = {L. L. Thompson and P. Pinsky},
   title = {A space-time finite element method for structural acoustics in infinite
-      domains. Part 1: formulation, stability and convergence},
+	domains. Part 1: formulation, stability and convergence},
   journal = cmame,
   year = {1996},
   volume = {132},
@@ -12650,7 +12632,7 @@
 @ARTICLE{ThPi96b,
   author = {L. L. Thompson and P. Pinsky},
   title = {A space-time finite element method for structural acoustics in infinite
-      domains. Part 2: Exact time-dependent non-reflecting boundary conditions},
+	domains. Part 2: Exact time-dependent non-reflecting boundary conditions},
   journal = cmame,
   year = {1996},
   volume = {132},
@@ -12669,7 +12651,7 @@
 @ARTICLE{Thorne04,
   author = {Thorne, M. S. and E. J. Garnero and S. P. Grand},
   title = {Geographic correlation between hot spots and deep mantle lateral
-      shear-wave velocity gradients},
+	shear-wave velocity gradients},
   journal = pepi,
   year = {2004},
   volume = {146},
@@ -12678,9 +12660,9 @@
 
 @ARTICLE{Thouvetal03,
   author = {Fran\c{c}ois Thouvenot and Julien Fr\'echet and Liliane Jenatton
-      and Jean-Fran\c{c}ois Gamond},
+	and Jean-Fran\c{c}ois Gamond},
   title = {The {B}elledonne Border Fault: identification of an active seismic
-      strike-slip fault in the western {A}lps},
+	strike-slip fault in the western {A}lps},
   journal = gji,
   year = {2003},
   volume = {155},
@@ -12691,7 +12673,7 @@
 @ARTICLE{Tin09,
   author = {T.C.T. Ting},
   title = {Explicit conditions for the existence of exceptional body waves and
-      subsonic waves in anisotropic elastic solids},
+	subsonic waves in anisotropic elastic solids},
   journal = {Wave Motion},
   year = {2009},
   volume = {46},
@@ -12701,7 +12683,7 @@
 @ARTICLE{Tin02,
   author = {T.C.T. Ting},
   title = {Explicit secular equations for surface waves in monoclinic materials
-      with the symmetry plane $x1=0$, $x2=0$ or $x3=0$},
+	with the symmetry plane $x1=0$, $x2=0$ or $x3=0$},
   journal = {Proc. R. Soc. London Ser. A},
   year = {2002},
   volume = {458},
@@ -12711,7 +12693,7 @@
 @INCOLLECTION{Tin04a,
   author = {T. C. T. Ting},
   title = {Explicit secular equations for surface waves in an anisotropic elastic
-      half-space from {R}ayleigh to today},
+	half-space from {R}ayleigh to today},
   booktitle = {Surface waves in anisotropic and laminated bodies and defects detection},
   publisher = {Kluwer Academic Publishers, Dordrecht, The Netherlands},
   year = {2004},
@@ -12722,7 +12704,7 @@
 @ARTICLE{Tin04b,
   author = {T. C. T. Ting},
   title = {The polarization vector and secular equation for surface waves in
-      anisotropic elastic half-space},
+	anisotropic elastic half-space},
   journal = {International Journal of Solids and Structures},
   year = {2004},
   volume = {41},
@@ -12758,7 +12740,7 @@
 @ARTICLE{To05,
   author = {To, A. and B. Romanowicz and Y. Capdeville and N. Takeuchi},
   title = {3{D} effects of sharp boundaries at the borders of the {A}frican
-      and {P}acific superplumes: {O}bservations and modeling},
+	and {P}acific superplumes: {O}bservations and modeling},
   journal = epsl,
   year = {2005},
   volume = {233},
@@ -12768,7 +12750,7 @@
 @ARTICLE{ToIrKa95,
   author = {K. Toki and K. Irikura and T. Kagawa},
   title = {Strong motion records in the source area of the {H}yogo-ken {N}anbu
-      earthquake, {J}anuary 17, 1995},
+	earthquake, {J}anuary 17, 1995},
   journal = {J. Nat. Disast. Sci.},
   year = {1995},
   volume = {16},
@@ -12778,8 +12760,8 @@
 @PHDTHESIS{Tor95,
   author = {Nathalie Tordjman},
   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)},
+	pour l'\'equation des ondes ({H}igh-order finite elements with mass
+	lumping for the wave equation)},
   school = {Universit\'e Paris {\sc IX} Dauphine},
   year = {1995},
   address = {Paris, France}
@@ -12788,7 +12770,7 @@
 @PHDTHESIS{jjt,
   author = {J. J. Torrens},
   title = {Interpolaci\'on de superficies param\'etricas con discontinuidades
-      mediante, elementos finitos, aplicaciones},
+	mediante, elementos finitos, aplicaciones},
   school = {Universidad de Zaragoza},
   year = {1991},
   address = {Zaragoza, Espa{\~{n}}a},
@@ -12827,7 +12809,7 @@
 @ARTICLE{Tri71,
   author = {M. D. Trifunac},
   title = {Surface motion of a semi-cylindrical alluvial valley for incident
-      plane {{\it SH}} waves},
+	plane {{\it SH}} waves},
   journal = bssa,
   year = {1971},
   volume = {61},
@@ -12855,7 +12837,7 @@
 @INCOLLECTION{TrKo00,
   author = {J. Tromp and D. Komatitsch},
   title = {Spectral-element simulations of wave propagation in a laterally homogeneous
-      {E}arth model},
+	{E}arth model},
   booktitle = {Problems in Geophysics for the New Millennium},
   publisher = {INGV},
   year = {2000},
@@ -12866,9 +12848,9 @@
 
 @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},
+	and Liu, Qinya and Zhu, Hejun and Peter, Daniel and Bozdag, Ebru
+	and McRitchie, Dennis and Friberg, Paul and Trabant, Chad and Hutko,
+	Alex},
   title = {Near real-time simulations of global {CMT} earthquakes},
   journal = gji,
   year = {2010},
@@ -12910,7 +12892,7 @@
 @ARTICLE{TrTaLi05,
   author = {Jeroen Tromp and Carl Tape and Qinya Liu},
   title = {Seismic tomography, adjoint methods, time reversal and banana-doughnut
-      kernels},
+	kernels},
   journal = gji,
   year = {2005},
   volume = {160},
@@ -12922,7 +12904,7 @@
 @ARTICLE{TrRoFl02,
   author = {A. Tryggvason and S. T. R\"ognvaldsson and O. G. Fl\'ovenz},
   title = {Three-dimensional imaging of the {P}- and {S}-wave velocity structure
-      and earthquake locations beneath {S}outhwest {I}celand},
+	and earthquake locations beneath {S}outhwest {I}celand},
   journal = gji,
   year = {2002},
   volume = {151},
@@ -12932,7 +12914,7 @@
 @ARTICLE{TsKoJiTr08,
   author = {S. Tsuboi and D. Komatitsch and C. Ji and J. Tromp},
   title = {Computations of global seismic wave propagation in three-dimensional
-      earth models},
+	earth models},
   journal = lncs,
   year = {2008},
   volume = {4759},
@@ -12943,7 +12925,7 @@
 @ARTICLE{TsKoChTr03,
   author = {Seiji Tsuboi and Dimitri Komatitsch and Chen Ji and Jeroen Tromp},
   title = {Spectral-element simulations of the {N}ovember~3, 2002, {D}enali,
-      {A}laska earthquake on the {E}arth~{S}imulator},
+	{A}laska earthquake on the {E}arth~{S}imulator},
   journal = pepi,
   year = {2003},
   volume = {139},
@@ -12956,7 +12938,7 @@
   author = {E. Turkel},
   title = {High-order methods},
   booktitle = {Advances in Computational Electrodynamics: the Finite-Difference
-      Time-Domain method},
+	Time-Domain method},
   publisher = {Artech House, Boston, USA},
   year = {1998},
   editor = {A. Taflove},
@@ -12966,7 +12948,7 @@
 @ARTICLE{UmKuItItSa86,
   author = {Y. Umeda and A. Kuroiso and K. Ito and Y. Ito and T. Saeki},
   title = {High accelerations in the epicentral area of the Western {N}agana
-      Prefecture, {J}apan, earthquake of 1984},
+	Prefecture, {J}apan, earthquake of 1984},
   journal = {J. Seismol. Soc. Jpn.},
   year = {1986},
   volume = {39},
@@ -12976,14 +12958,14 @@
 @MISC{usgsLAmap,
   author = {USGS},
   title = {United {S}tates {G}eological {S}urvey {S}outhern {C}alifornia topography
-      map},
+	map},
   year = {2003},
   note = {available online at www.usgs.gov.}
 }
 
 @ARTICLE{VaCaSaKoVi99,
   author = {R. Vai and J. M. Castillo-Covarrubias and F. J. S\'anchez-Sesma and
-      D. Komatitsch and J. P. Vilotte},
+	D. Komatitsch and J. P. Vilotte},
   title = {Elastic wave propagation in an irregularly layered medium},
   journal = {Soil Dynamics and Earthquake Engineering},
   year = {1999},
@@ -12997,7 +12979,7 @@
   author = {Valcarce, A. and De La Roche, G. and Jie Zhang},
   title = {A {GPU} approach to {FDTD} for radio coverage prediction},
   booktitle = {Proceedings of the 11th IEEE International Conference on Communication
-      Systems},
+	Systems},
   year = {2008},
   pages = {1585-1590},
   address = {Guangzhou, China},
@@ -13008,9 +12990,9 @@
 @ARTICLE{Val89,
   author = {B. Valette},
   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)},
+	en rotation uniforme et contenant une partie fluide ({F}ree Oscillations
+	spectrum of an elastic, self-gravitating, uniformly rotating body
+	with a fluid inclusion)},
   journal = {C. R. Acad. Sci. Paris},
   year = {1989},
   volume = {309},
@@ -13020,8 +13002,8 @@
 @PHDTHESIS{Val87,
   author = {B. Valette},
   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)},
+	et g\'eophysiques ({S}pectrum of the free oscillations of the {E}arth:
+	mathematical and geophysical aspects)},
   school = {Universit\'e Paris {\sc VI} Jussieu},
   year = {1987},
   address = {Paris},
@@ -13031,7 +13013,7 @@
 @ARTICLE{Val86,
   author = {B. Valette},
   title = {About the influence of prestress upon the adiabatic perturbations
-      of the {E}arth},
+	of the {E}arth},
   journal = gjras,
   year = {1986},
   volume = {85},
@@ -13041,9 +13023,9 @@
 @TECHREPORT{Vallon99,
   author = {M. Vallon},
   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)},
+	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)},
   institution = {LGGE, IPSN/CNRS, Universit\'e Joseph Fourier},
   year = {1999},
   pages = {33}
@@ -13052,7 +13034,7 @@
 @ARTICLE{VaMuHe01,
   author = {G. B. {Van Baren} and W. A. Mulder and G. C. Herman},
   title = {Finite-Difference Modeling of Scalar-Wave Propagation in Cracked
-      Media},
+	Media},
   journal = geophysics,
   year = {2001},
   volume = {66},
@@ -13062,7 +13044,7 @@
 @ARTICLE{VeMi96,
   author = {J. C. Veihl and R. Mittra},
   title = {An efficient implementation of {B}\'erenger's perfectly matched layer
-      ({PML}) for finite-difference time-domain mesh truncation},
+	({PML}) for finite-difference time-domain mesh truncation},
   journal = {IEEE Microwave and Guided Wave Letters},
   year = {1996},
   volume = {6},
@@ -13074,7 +13056,7 @@
 @ARTICLE{Vie73,
   author = {J. A. Viecelli},
   title = {Topography and the {R}ayleigh wave generating efficiency of buried
-      explosive sources},
+	explosive sources},
   journal = jgr,
   year = {1973},
   volume = {78},
@@ -13131,7 +13113,7 @@
 @ARTICLE{ViFaRo89,
   author = {L. P. Vinnik and V. Farra and B. Romanowicz},
   title = {Observational evidence for diffracted {SV} in the shadow of the {E}arth's
-      core},
+	core},
   journal = grl,
   year = {1989},
   volume = {16},
@@ -13141,7 +13123,7 @@
 @ARTICLE{Vir86,
   author = {J. Virieux},
   title = {{\it P-SV} wave propagation in heterogeneous media: velocity-stress
-      finite-difference method},
+	finite-difference method},
   journal = geophysics,
   year = {1986},
   volume = {51},
@@ -13151,7 +13133,7 @@
 @ARTICLE{Vir84,
   author = {J. Virieux},
   title = {{\it SH} wave propagation in heterogeneous media: velocity-stress
-      finite-difference method},
+	finite-difference method},
   journal = geophysics,
   year = {1984},
   volume = {49},
@@ -13181,7 +13163,7 @@
 @ARTICLE{VlLiMaLi03,
   author = {S. Vlastos and E. Liu and I. G. Main and X. Y. Li},
   title = {Numerical simulation of wave propagation in media with discrete distributions
-      of fractures: effects of fractures sizes and spatial distribution},
+	of fractures: effects of fractures sizes and spatial distribution},
   journal = gji,
   year = {2003},
   volume = {152},
@@ -13201,8 +13183,8 @@
 @ARTICLE{VoShKi10,
   author = {Peter E. J. Vos and Spencer J. Sherwin and Robert M. Kirby},
   title = {From $h$ to $p$ efficiently: Implementing finite and spectral/$hp$
-      element methods to achieve optimal performance for low- and high-order
-      discretisations},
+	element methods to achieve optimal performance for low- and high-order
+	discretisations},
   journal = jcp,
   year = {2010},
   volume = {229},
@@ -13224,7 +13206,7 @@
 @ARTICLE{Wal96,
   author = {D. J. Wald},
   title = {Slip history of the 1995 {K}obe, {J}apan, earthquake determined from
-      strong motion, teleseismic, and geodetic data},
+	strong motion, teleseismic, and geodetic data},
   journal = {J. Phys. Earth},
   year = {1996},
   volume = {44},
@@ -13243,7 +13225,7 @@
 @ARTICLE{WaHe94,
   author = {D. J. Wald and T. H. Heaton},
   title = {Spatial and temporal distribution of slip for the 1992 {L}anders,
-      {C}alifornia Earthquake},
+	{C}alifornia Earthquake},
   journal = bssa,
   year = {1994},
   volume = {84},
@@ -13253,8 +13235,8 @@
 @ARTICLE{WaHeHu96,
   author = {D. J. Wald and T. H. Heaton and K. W. Hudnut},
   title = {The slip history of the 1994 {N}orthridge, {C}alifornia, earthquake
-      determined from strong ground motion, teleseismic, {GPS}, and leveling
-      data},
+	determined from strong ground motion, teleseismic, {GPS}, and leveling
+	data},
   journal = bssa,
   year = {1996},
   volume = {86},
@@ -13273,7 +13255,7 @@
 @ARTICLE{WanAch95,
   author = {C. Y. Wang and J. D. Achenbach},
   title = {Three-dimensional time-harmonic elastodynamic {G}reen's functions
-      for anisotropic solids},
+	for anisotropic solids},
   journal = {Proceedings of the Royal Society of London, United Kingdom},
   year = {1995},
   volume = {A-449},
@@ -13301,7 +13283,7 @@
 @ARTICLE{WanAch92,
   author = {C. Y. Wang and J. D. Achenbach},
   title = {A new look at 2{D} time-domain elastodynamic {G}reen's functions
-      for general anisotropic solids},
+	for general anisotropic solids},
   journal = {Wave Motion},
   year = {1992},
   volume = {16},
@@ -13311,7 +13293,7 @@
 @ARTICLE{WaHe80,
   author = {C. Y. Wang and R. B. Herrmann},
   title = {A numerical study of {{\it P}}, {{\it SV}} and {{\it SH}} wave generation
-      in a plane layered medium},
+	in a plane layered medium},
   journal = bssa,
   year = {1980},
   volume = {70},
@@ -13321,7 +13303,7 @@
 @ARTICLE{Wan08a,
   author = {L. Wang},
   title = {Extraordinary degeneracy and space of degeneracy in transversely
-      isotropic elastic media},
+	isotropic elastic media},
   journal = {Wave Motion},
   year = {2008},
   volume = {45},
@@ -13331,7 +13313,7 @@
 @ARTICLE{Wan08b,
   author = {L. Wang},
   title = {Caustic and anticaustic points in the phonon focusing patterns of
-      cubic crystals},
+	cubic crystals},
   journal = {Journal of the Acoustical Society of America},
   year = {2008},
   volume = {123},
@@ -13342,7 +13324,7 @@
 @ARTICLE{Wan04,
   author = {L. Wang},
   title = {Space of degeneracy in the {S}troh eigensystem and surface waves
-      in transversely isotropic elastic media},
+	in transversely isotropic elastic media},
   journal = {Wave Motion},
   year = {2004},
   volume = {40},
@@ -13352,7 +13334,7 @@
 @ARTICLE{Wan92,
   author = {L. Wang},
   title = {Existence of symmetric surface waves and their relation with leaky
-      surface waves in cubic materials},
+	surface waves in cubic materials},
   journal = {Physica Scripta},
   year = {1992},
   volume = {T44},
@@ -13371,8 +13353,8 @@
 @ARTICLE{WanLot92a,
   author = {L. Wang and J. Lothe},
   title = {Simple reflection in anisotropic elastic media and its relation to
-      exceptional waves and supersonic surface waves ({I}) {G}eneral theoretical
-      considerations},
+	exceptional waves and supersonic surface waves ({I}) {G}eneral theoretical
+	considerations},
   journal = {Wave Motion},
   year = {1992},
   volume = {16},
@@ -13382,7 +13364,7 @@
 @ARTICLE{WanLot92b,
   author = {L. Wang and J. Lothe},
   title = {Simple reflection in anisotropic elastic media and its relation to
-      exceptional waves and supersonic surface waves: ({II}) examples},
+	exceptional waves and supersonic surface waves: ({II}) examples},
   journal = {Wave Motion},
   year = {1992},
   volume = {16},
@@ -13392,7 +13374,7 @@
 @ARTICLE{WaNaYa90,
   author = {P. J. Wang and Y. Nakamura and M. Yasuhara},
   title = {A {C}hebyshev collocation method for the compressible {N}avier-{S}tokes
-      equations in generalized coordinates},
+	equations in generalized coordinates},
   journal = {Trans. Japan Soc. Aero. Space Sci.},
   year = {1990},
   volume = {33},
@@ -13402,7 +13384,7 @@
 @ARTICLE{WaTa03,
   author = {Tsili Wang and Xiaoming Tang},
   title = {Finite-difference modeling of elastic wave propagation: A nonsplitting
-      perfectly matched layer approach},
+	perfectly matched layer approach},
   journal = geophysics,
   year = {2003},
   volume = {68},
@@ -13414,7 +13396,7 @@
 @ARTICLE{WaTaFu01,
   author = {Y. Wang and H. Takenaka and T. Furumura},
   title = {Modelling seismic wave propagation in a two-dimensional cylindrical
-      whole-{E}arth model using the pseudospectral method},
+	whole-{E}arth model using the pseudospectral method},
   journal = gji,
   year = {2001},
   volume = {145},
@@ -13424,7 +13406,7 @@
 @ARTICLE{WanLiYu07,
   author = {Y. S. Wang and N. Li and G. L. Yu},
   title = {Subsonic slip waves and steady sliding at the interface between two
-      anisotropic elastic half-spaces in frictional contact with stick-slip},
+	anisotropic elastic half-spaces in frictional contact with stick-slip},
   journal = {Wave Motion},
   year = {2007},
   volume = {44},
@@ -13434,7 +13416,7 @@
 @ARTICLE{Wen01,
   author = {Wen, L.},
   title = {Seismic evidence for a rapidly varying compositional anomaly at the
-      base of the {E}arth's mantle beneath the {I}ndian {O}cean},
+	base of the {E}arth's mantle beneath the {I}ndian {O}cean},
   journal = epsl,
   year = {2001},
   volume = {194},
@@ -13444,7 +13426,7 @@
 @ARTICLE{wenhelmberger1998,
   author = {L. X. Wen and D. V. Helmberger},
   title = {A two-dimensional P-SV hybrid method and its application to modeling
-      localized structures near the core-mantle boundary},
+	localized structures near the core-mantle boundary},
   journal = jgr,
   year = {1998},
   volume = {103},
@@ -13454,7 +13436,7 @@
 @ARTICLE{wenetal2001,
   author = {L. X. Wen and P. G. Silver and D. James and R. Kuehnel},
   title = {Seismic evidence for a thermo-chemical boundary at the base of the
-      {E}arth's mantle},
+	{E}arth's mantle},
   journal = epsl,
   year = {2001},
   volume = {189},
@@ -13491,7 +13473,7 @@
 
 @ARTICLE{WiKoScTr04,
   author = {Kasper van Wijk and Dimitri Komatitsch and John A. Scales and Jeroen
-      Tromp},
+	Tromp},
   title = {Analysis of strong scattering at the micro-scale},
   journal = jasa,
   year = {2004},
@@ -13504,7 +13486,7 @@
 @ARTICLE{Wil66,
   author = {C. H. Wilcox},
   title = {Wave operators and asymptotic solutions of wave propagation problems
-      of classical physics},
+	of classical physics},
   journal = {Arch. Rat. Mech. Anal.},
   year = {1966},
   volume = {22},
@@ -13513,9 +13495,9 @@
 
 @ARTICLE{WiStBuGh10,
   author = {Lucas C. Wilcox and Georg Stadler and Carsten Burstedde and Omar
-      Ghattas},
+	Ghattas},
   title = {A high-order discontinuous {G}alerkin method for wave propagation
-      through coupled elastic-acoustic media},
+	through coupled elastic-acoustic media},
   journal = jcp,
   year = {2010},
   volume = {229},
@@ -13536,7 +13518,7 @@
 @ARTICLE{Williams98,
   author = {Williams, Q. and J. Revenaugh and E. Garnero},
   title = {A correlation between ultra-low basal velocities in the mantle and
-      hot spots},
+	hot spots},
   journal = {Science},
   year = {1998},
   volume = {281},
@@ -13545,11 +13527,11 @@
 
 @INPROCEEDINGS{WiCaOlShYe08,
   author = {Samuel Williams and Jonathan Carter and Leonid Oliker and John Shalf
-      and Katherine Yelick},
+	and Katherine Yelick},
   title = {Lattice {B}oltzmann Simulation Optimization on Leading Multicore
-      Platforms},
+	Platforms},
   booktitle = {Proceedings of the International Parallel and Distributed Processing
-      Symposium (IPDPS)},
+	Symposium (IPDPS)},
   year = {2008}
 }
 
@@ -13557,7 +13539,7 @@
   author = {J. R. Willis},
   title = {Self-similar problems in elastodynamics},
   journal = {Philosophical Transactions of the Royal Society of London, United
-      Kingdom},
+	Kingdom},
   year = {1973},
   volume = {Ser. A 274},
   pages = {435-491}
@@ -13566,9 +13548,9 @@
 @INPROCEEDINGS{WinBoyd96,
   author = {B. A. Wingate and J. P. Boyd},
   title = {Spectral element methods on triangles for geophysical fluid dynamics
-      problems},
+	problems},
   booktitle = {Proceedings of the Third International Conference on Spectral and
-      High-order Methods},
+	High-order Methods},
   year = {1996},
   editor = {A. V. Ilin and L. R. Scott},
   pages = {305-314},
@@ -13579,7 +13561,7 @@
 @ARTICLE{WiRa00,
   author = {S. C. Winton and C. M. Rappaport},
   title = {Specifying {PML} conductivities by considering numerical reflection
-      dependencies},
+	dependencies},
   journal = {IEEE transactions on Antennas and Propagation},
   year = {2000},
   volume = {48},
@@ -13590,7 +13572,7 @@
 @ARTICLE{Won82,
   author = {H. L. Wong},
   title = {Effect of surface topography on the diffraction of {{\it P}}, {{\it
-      SV}} and {R}ayleigh waves},
+	SV}} and {R}ayleigh waves},
   journal = bssa,
   year = {1982},
   volume = {72},
@@ -13600,7 +13582,7 @@
 @ARTICLE{WoDz84,
   author = {J. H. Woodhouse and A. M. Dziewo\'nski},
   title = {Mapping the upper mantle: Three-dimensional modeling of {E}arth structure
-      by inversion of seismic waveforms},
+	by inversion of seismic waveforms},
   journal = jgr,
   year = {1984},
   volume = {89},
@@ -13619,7 +13601,7 @@
 @ARTICLE{WoKeRu05,
   author = {J. Wookey and J. M. Kendall and G. Ruempker},
   title = {Lowermost mantle anisotropy beneath the northern {P}acific from differential
-      {S-ScS} splitting},
+	{S-ScS} splitting},
   journal = gji,
   year = {2005},
   volume = {161},
@@ -13628,9 +13610,9 @@
 
 @ARTICLE{WoStKeBrPr05,
   author = {Wookey, J. and S. Stackhouse and J. M. Kendall and J. Brodholt and
-      G. D. Price},
+	G. D. Price},
   title = {Efficacy of the post-perovskite phase as an explanation for lowermost-mantle
-      seismic properties},
+	seismic properties},
   journal = {Nature},
   year = {2005},
   volume = {438},
@@ -13640,9 +13622,9 @@
 @INPROCEEDINGS{woolsey_hutchcraft_gordon2007,
   author = {M. Woolsey and W. E. Hutchcraft and R. K. Gordon},
   title = {High-Level programming of graphics hardware to increase performance
-      of electromagnetics simulation},
+	of electromagnetics simulation},
   booktitle = {Proceedings of the 2007 IEEE International Symposium on Antennas
-      and Propagation},
+	and Propagation},
   year = {2007},
   pages = {5925-5928},
   doi = {10.1109/APS.2007.4396901}
@@ -13651,7 +13633,7 @@
 @INCOLLECTION{Wri91,
   author = {T. L. Wright},
   title = {Structural geology and tectonic evolution of the {L}os {A}ngeles
-      basin, {C}alifornia},
+	basin, {C}alifornia},
   booktitle = {Active Margin Basins},
   publisher = {Am. Assoc. Pet. Geol. Memoir},
   year = {1991},
@@ -13663,7 +13645,7 @@
 @ARTICLE{WuKiLeLe97,
   author = {J. Y. Wu and D. M. Kingsland and J. F. Lee and R. Lee},
   title = {A comparison of anisotropic {PML} to {B\'e}renger's {PML} and its
-      application to the finite-element method for {EM} scattering},
+	application to the finite-element method for {EM} scattering},
   journal = {IEEE transactions on Antennas and Propagation},
   year = {1997},
   volume = {45},
@@ -13674,7 +13656,7 @@
 @ARTICLE{wu_heng_2005,
   author = {Wen Wu and Pheng Ann Heng},
   title = {An improved scheme of an interactive finite element model for {3D}
-      soft-tissue cutting and deformation},
+	soft-tissue cutting and deformation},
   journal = {Visual Computing},
   year = {2005},
   volume = {21},
@@ -13685,7 +13667,7 @@
 @ARTICLE{wu_heng_2004,
   author = {Wen Wu and Pheng Ann Heng},
   title = {A hybrid condensed finite element model with {GPU} acceleration for
-      interactive {3D} soft tissue cutting: Research Articles},
+	interactive {3D} soft tissue cutting: Research Articles},
   journal = {Computer Animation and Virtual Worlds archive},
   year = {2004},
   volume = {15},
@@ -13697,7 +13679,7 @@
 @ARTICLE{WuRo90,
   author = {W. J. Wu and M. G. Rochester},
   title = {Core dynamics: the two-potential description and a new variational
-      principle},
+	principle},
   journal = gji,
   year = {1990},
   volume = {103},
@@ -13706,7 +13688,7 @@
 
 @INCOLLECTION{WyLaReWiGaJeKe98,
   author = {M. E. Wysession and T. Lay and J. Revenaugh and Q. Williams and E.
-      J. Garnero and R. Jeanloz and L. H. Kellogg},
+	J. Garnero and R. Jeanloz and L. H. Kellogg},
   title = {The {D}'' discontinuity and its implications},
   booktitle = {The core-mantle boundary region},
   publisher = {American Geophysical Union},
@@ -13719,7 +13701,7 @@
 @ARTICLE{XuBiGhWa03,
   author = {Jifeng Xu and Jacobo Bielak and Omar Ghattas and Jianlin Wang},
   title = {Three-dimensional nonlinear seismic ground motion modeling in inelastic
-      basins},
+	basins},
   journal = pepi,
   year = {2003},
   volume = {137},
@@ -13751,7 +13733,7 @@
 @ARTICLE{YeHuSt94,
   author = {R. S. Yeats and G. J. Huftile and L. T. Stitt},
   title = {Late {C}enozoic tectonics of the East {V}entura Basin, {T}ransverse
-      {R}anges, {C}alifornia},
+	{R}anges, {C}alifornia},
   journal = {AAPG Bulletin},
   year = {1994},
   volume = {78},
@@ -13762,7 +13744,7 @@
 @ARTICLE{Yee66,
   author = {Kane S. Yee},
   title = {Numerical Solution of Initial Boundary Value Problems involving {M}axwell's
-      Equations},
+	Equations},
   journal = {IEEE Transactions on Antennas and Propagation},
   year = {1966},
   volume = {14},
@@ -13772,7 +13754,7 @@
 @ARTICLE{YeTu00,
   author = {A. Yefet and E. Turkel},
   title = {Fourth-order compact implicit method for the {M}axwell equations
-      with discontinuous coefficients},
+	with discontinuous coefficients},
   journal = {Applied Numerical Mathematics: Transactions of IMACS},
   year = {2000},
   volume = {33},
@@ -13782,7 +13764,7 @@
 @ARTICLE{YoCh96,
   author = {K. T. Yoon and T. J. Chung},
   title = {Three-dimensional mixed explicit-implicit generalized {G}alerkin
-      spectral element methods for high-speed turbulent compressible flows},
+	spectral element methods for high-speed turbulent compressible flows},
   journal = cmame,
   year = {1996},
   volume = {135},
@@ -13810,7 +13792,7 @@
 @ARTICLE{ZaOlSo94,
   author = {J. Zahradn{\'\i}k and P. O'Leary and J. Sochacki},
   title = {Finite-difference schemes for elastic waves based on the integration
-      approach},
+	approach},
   journal = geophysics,
   year = {1994},
   volume = {59},
@@ -13820,8 +13802,8 @@
 @PHDTHESIS{Zen96,
   author = {X. Zeng},
   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},
+	generally heterogeneous medium in the time domain, and a dissection
+	method in the frequency domain},
   school = {University of Toronto},
   year = {1996},
   address = {Canada}
@@ -13830,7 +13812,7 @@
 @ARTICLE{ZeHeLi01,
   author = {Y. Q. Zeng and J. Q. He and Q. H. Liu},
   title = {The application of the perfectly matched layer in numerical modeling
-      of wave propagation in poroelastic media},
+	of wave propagation in poroelastic media},
   journal = geophysics,
   year = {2001},
   volume = {66},
@@ -13841,7 +13823,7 @@
 @ARTICLE{ZeLi01,
   author = {Yan Qing Zeng and Qing Huo Liu},
   title = {A staggered-grid finite-difference method with perfectly matched
-      layers for poroelastic wave equations},
+	layers for poroelastic wave equations},
   journal = jasa,
   year = {2001},
   volume = {109},
@@ -13853,7 +13835,7 @@
 @ARTICLE{ZeLi01b,
   author = {Y. Q. Zeng and Q. H. Liu},
   title = {Acoustic detection of buried objects in 3{D} fluid-saturated porous
-      media: numerical modeling},
+	media: numerical modeling},
   journal = {IEEE Transactions on Geoscience and Remote Sensing},
   year = {2001},
   volume = {6},
@@ -13865,7 +13847,7 @@
 @ARTICLE{ZeLiZh04,
   author = {Y. Q. Zeng and Q. H. Liu and G. Zhao},
   title = {Multidomain pseudospectral time-domain ({PSTD}) method for acoustic
-      waves in lossy media},
+	waves in lossy media},
   journal = jca,
   year = {2004},
   volume = {12},
@@ -13887,7 +13869,7 @@
 @ARTICLE{ZhCh91,
   author = {L. Zhang and A. K. Chopra},
   title = {Three-dimensional analysis of spatially varying ground motions around
-      a uniform canyon in a homogeneous half-space},
+	a uniform canyon in a homogeneous half-space},
   journal = eesd,
   year = {1991},
   volume = {20},
@@ -13897,7 +13879,7 @@
 @ARTICLE{zhang2003,
   author = {Y. Zhang and G. Zhang and N. Bleistein},
   title = {True amplitude wave equation migration arising from true amplitude
-      one-way wave equations},
+	one-way wave equations},
   journal = {Inverse Problems},
   year = {2003},
   volume = {19},
@@ -13907,8 +13889,8 @@
 @ARTICLE{ZhCa96,
   author = {L. Zhao and A. C. Cangellaris},
   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},
+	its application to the reflectionless truncation of {F}inite-{D}ifference
+	{T}ime-{D}omain grids},
   journal = {IEEE transactions on Microwave Theory and Techniques},
   year = {1996},
   volume = {44},
@@ -13920,7 +13902,7 @@
 @ARTICLE{zhaoetal2000,
   author = {L. Zhao and T. H. Jordan and C. H. Chapman},
   title = {Three-dimensional Fr\'echet differential kernels for seismic delay
-      times},
+	times},
   journal = gji,
   year = {2000},
   volume = {141},
@@ -13930,7 +13912,7 @@
 @ARTICLE{zhu&kanamori2000,
   author = {L. Zhu and H. Kanamori},
   title = {Moho depth variation in southern {C}alifornia from teleseismic receiver
-      functions},
+	functions},
   journal = jgr,
   year = {2000},
   volume = {105},
@@ -13940,7 +13922,7 @@
 @ARTICLE{zhumcmechan91,
   author = {X. Zhu and G. A. McMechan},
   title = {Finite-difference modelling of the seismic response of fluid-saturated,
-      porous, elastic media using {B}iot theory},
+	porous, elastic media using {B}iot theory},
   journal = geophysics,
   year = {1991},
   volume = {56},
@@ -13959,7 +13941,7 @@
 @ARTICLE{ZiBe78,
   author = {O. C. Zienkiewicz and P. Bettess},
   title = {Fluid-structure dynamic interaction and wave forces, an introduction
-      to numerical treatment},
+	to numerical treatment},
   journal = ijnme,
   year = {1978},
   volume = {13},
@@ -13978,7 +13960,7 @@
 @ARTICLE{Zin00,
   author = {David W. Zingg},
   title = {Comparison of High-Accuracy Finite-Difference Methods for Linear
-      Wave Propagation},
+	Wave Propagation},
   journal = {SIAM Journal on Scientific Computing},
   year = {2000},
   volume = {22},
@@ -14000,53 +13982,53 @@
 
 @MISC{notedegreesfreedom,
   note = {The cost of calculation is due to the fact that the mesh contains
-      498 million degrees of freedom.}
+	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).}
+	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.}
+	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.}
+	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$^{-3}$.}
+	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.}
+	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}
+	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_GLOBE/trunk/doc/USER_MANUAL/manual_SPECFEM3D_GLOBE.pdf
===================================================================
(Binary files differ)

Modified: seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL/manual_SPECFEM3D_GLOBE.tex
===================================================================
--- seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL/manual_SPECFEM3D_GLOBE.tex	2012-07-25 22:30:21 UTC (rev 20546)
+++ seismo/3D/SPECFEM3D_GLOBE/trunk/doc/USER_MANUAL/manual_SPECFEM3D_GLOBE.tex	2012-07-25 22:31:12 UTC (rev 20547)
@@ -188,7 +188,7 @@
 parallel programming based upon the Message Passing Interface (MPI)
 \citep{GrLuSk94,Pac97}.\\
 
-SPECFEM3D won the Gordon Bell award for best performance at the SuperComputing~2003
+SPECFEM3D\_GLOBE won the Gordon Bell award for best performance at the SuperComputing~2003
 conference in Phoenix, Arizona (USA) (see \cite{KoTsChTr03}
 and \url{www.sc-conference.org/sc2003/nr_finalaward.html}).
 It was a finalist again in 2008 for a run at 0.16 petaflops (sustained) on 149,784 processors of the `Jaguar' Cray XT5 system at Oak Ridge National Laboratories (USA) \citep{CaKoLaTiMiLeSnTr08}.



More information about the CIG-COMMITS mailing list