1. On the propagation of tremors over the surface of an elastic solid;Lamb;Phil. Trans. Roy. Soc.,1904
2. Elastic waves in layered media;Ewing,1957
3. Wave propagation in elastic solids;Achenbach,1973
4. Elastic wave propagation;Miklowitz,1966
5. Exact transient solution of the buried line source problem;Garvin,1956