1. Waves in Layered Media;Brekhovskikh,1976
2. An Introduction to the Theory of Seismology;Bullen,1985
3. Waves and Fields in Inhomogeneous Media;Chew,1990
4. The dispersion of surface waves in multilayered media;Haskell;Bull. Seis. Soc. Amer.,1953
5. Elastic Waves in Layered Media;Ewing,1957