1. Nonlinear Acoustics, Ed. by M. F. Hamilton and D. T. Blackstock (Academic, Boston, 1998), Chap. 6.
2. V. A. Anan’ev, V. I. Domarkas, and S. I. Sayauskas, Sov. Phys. Acoust. 30, 1 (1984).
3. R. Reibold, Ultrasonics 18, 85 (1980).
4. B. A. Agranat, M. N. Dubrovin, N. N. Khavskii, and G. I. Eskin, Principles of Physics and Techniques of Ultrasound (Vyssh. Shkola, Moscow, 1987) [in Russian].
5. L. Bergmann, Der Ultraschall und seine Anwendung in Wissenschaft und Technik, 6th ed. (Hirzel, Stuttgart, 1954; Nauka, Moscow, 1957).