1. L. Zhirifal’ko, Statistical Physics of Solid (Mir, Moscow, 1975).
2. I. N. Frantsevich, F. F. Voronov, and S. A. Bakuta, Elastic Constants and Elastic Moduli of Metals and Nonmetals: A Handbook (Naukova Dumka, Kiev, 1982).
3. K. L. Leont’ev, Akust. Zh. 27, 554 (1981) [Sov. Phys. Acoust. 27, 309 (1981)].
4. C. Kittel, Introduction to Solid State Physics (Wiley, New York, 1976; Nauka, Moscow, 1978).
5. K. P. Rodionov, Fiz. Met. Metalloved. 26, 1120 (1969).