1. Handbook of Mathematical Functions, with Formulas, Graphs and Mathematical Tables;Abramowitz,1972
2. Surface motion of layered medium having an irregular interface due to incident plane SH waves;Aki;Journal of Geophysical Research,1970
3. Propagation of elastic waves in layered media by finite difference methods;Alterman;Bull. Seism. Soc. Amer.,1968
4. Love waves in non-uniform wave guides: finite difference calculation;Boore;Journal of Geophysical Research,1970
5. Finite difference method for seismic wave propagation in heterogeneous materials;Boore,1972