1. K. Aki and P. Richards, Quantitative Seismology: Theory and Methods (Mir, Moscow, 1983; Freeman, San Francisco, 1980), Vol. 1.
2. L. M. Brekhovskih, Waves in Layered Media (Akad. Nauk SSSR, Moscow, 1957) [in Russian].
3. V. I. Volovov, Sound Reflection from the Ocean Bottom (Nauka, Moscow, 1997) [in Russian].
4. B. Gutenberg, Physics of the Earth’s Interior (New York, 1959; Inostrannaya Literatura, Moscow, 1963).
5. E. I. Il’nitskaya, R. I. Teder, E.S. Vatolin, and M. F. Kuntysh, Rock Properties and Methods for Their Determineation (Nedra, Moscow, 1969) [in Russian].