1. A. I. Belyaeva et al., Prib. Tekh. Eksper., No. 4, 239 (1993).
2. A. I. Chursin, Elektron. Tekh., Ser. 5, No. 2, 100 (1974).
3. V. E. Savchenko, Inzh.-Fiz. Zh., No. 6, 784 (1982).
4. W. Cady, Piezoelectricity and Its Practical Application [Russian translation], IIL, Moscow (1949).
5. V. E. Savchenko and L. K. Gribova, Izmer. Tekh., No. 6, 49 (2002).