1. Elastic Waves in Layered Media;Ewing,1957
2. Nonlinear Wave Processes of Deformation in Solids;Engelbrecht,1983
3. Linear and Nonlinear Waves;Whitham,1974
4. Solitons, Mathematical Methods for Physicists;Eilenberger,1981
5. Scattering and dissipation of seismic waves in the presence of nonlinearity;Nikolaev;PAGEOPH,1989