|Li, Xiaofan, Wang, W., Lu, M., Zhang, M. and Li, Y.. Structure-preserving modeling of elastic waves: a symplectic discrete singular convolution differentiator method. Geophysical journal international, 2012, 188, pp 1382-1392.Li, Xiaofan, Li, Y., Zhang, M. and Zhu, T. Scalar Seismic-Wave Equation Modeling by a Multisymplectic Discrete Singular Convolution Differentiator Method. Bull. Seism. Soc. Am., 2011，101(4), pp 1710-1718.Li, Xiaofan, Zhu, T., Zhang, M. and Long, G. Seismic scalar wave equation with variable coefficients modeling by a new convolutional differentiator. Computer Physics Communications, 2010, 181: 1850-1858.Li, Xiaofan, Li, Xinfu and Zhang, Meigen, 2009. Fine reconstruction of seismic data using localized fractals. Int. J. Nonlinear Sciences and Numerical Simulation, 10(9), 1181-1188.Li, Xiaofan, 2001. Scattering of seismic waves in arbitrarily heterogeneous and acoustic media: A general Solution and simulations. Geophs. Res. Letts., VOL. 28, NO. 15, 3003-3006.Li, Xiaofan and Hudson, J. A., 1997. Time-domain computation of elastic scattering from a heterogeneous layer, Geophys. J. Int., 128, 197-203Li, Xiaofan and Hudson, J. A., 1996. Multiple scattering of elastic waves from a continuous and heterogeneous region, Geophys. J. Int., 126, 845-862.Li, Xiaofan and Hudson, J. A., 1995. Elastic scattered waves from a continuous and heterogeneous layer, Geophys. J. Int., 121, 82-102.