1. Waves in Layered Media;Brekhovskikh,1960
2. M. Ewing, J.L. Worzel, C.L. Pekeris, Propagation of Sound in the Ocean, Memoir, vol. 27, The Geological Society of America, New York, 1948.
3. Elastic Waves in Layered Media;Ewing,1957
4. The dispersion of surface waves on multilayered media;Haskell;Bulletin of the Seismological Society of America,1953
5. Seismic Wave Propagation in Stratified Media;Kennett,1983