1. V. N. Belomestnykh, Pis’ma Zh. Tekh. Fiz. 30(3), 14 (2004) [Tech. Phys. Lett. 30, 91 (2004)].
2. L. D. Landau and E. M. Lifshitz, Course of Theoretical Physics, Vol. 7: Theory of Elasticity (Pergamon, New York, 1986; Nauka, Moscow, 1987).
3. S. Ya. Mikitishin, Fiz.-Khim. Mekh. Mater. 18(3), 84 (1982).
4. I. N. Frantsevich, F. F. Voronov, and S. A. Bakuta, A Handbook of the Elastic Constants and Elastic Modulus of Metals and Nonmetals (Naukova Dumka, Kiev, 1982) [in Russian].
5. Physical Acoustics, Ed. by W. P. Mason (Academic, New York, 1968; Mir, Moscow, 1970), Vol. 3, Part B.