1. J. Zelenka, Piezoelectric Resonators and Their Applications (Elsevier, New York, 1986; Mir, Moscow, 1990).
2. L. M. Brekhovskikh, Waves in Layered Media (Academic Press, New York, 1960) [Russian original, USSR Academy of Sciences Press, Moscow, 1957].
3. V. S. Veretin, A. G. Kozorezov, B. N. Krutov, and G. D. Mansfel’d, Radiotekh. Élektron. 37, 401 (1992).
4. G. S. Kino, Acoustic Waves: Devices, Imaging, and Analog Signal Processing (Prentice-Hall, Englewood Cliffs, N.J. 1987; Mir, Moscow, 1990).
5. A. I. Morozov, V. V. Proklov, and B. A. Stankovskii, Piezoelectric Transducers for Radio Electronics Devices [in Russian], Radio i Svyaz’, Moscow (1981).