1. M. K. Balakirev and I. A. Gilinskiĭ, Waves in Piezoelectric Crystals (Nauka, Novosibirsk, 1982).
2. B. D. Zaĭtsev, I. E. Kuznetsova, and A. A. Teplykh, in Proceedings of the XVI Session of Russian Acoustical Society (GEOS, Moscow, 2005), Vol. 2, p. 60 [in Russian].
3. M. I. Rabinovich and D. I. Trubetskov, Introduction to the Theory of Oscillations and Waves (Nauka, Moscow, 1984) [in Russian].
4. Physical Acoustics: Principles and Methods, Ed. by W. P. Mason and R. N. Thurston (Academic, New York, 1970; Mir. Moscow, 1974), Vol. 6, pp. 139–202.
5. B. D. Zaitsev and I. E. Kuznetsova, IEEE Trans. Ultrason. Ferroelectr. Freq. Control 50, 1762 (2003).