%0 Article %J Geophysics %D 2009 %T Elastic imaging and time-lapse migration based on adjoint methods %A Zhu, H. %A Luo, Y. %A Nissen-Meyer, T. %A Morency, C. %A Tromp, J. %N 6 %P Wca167-Wca177 %V 74 %1 10.1190/1.3261747 %K SPECFEM2D