1. Ya. A. Monosov Nonlinear Ferromagnetic Resonance [in Russian], Nauka, Moscow (1971).
2. E. M. Conwell, High Field Transport in Semiconductors, Supplement 9 to Solid State Physics, Academic Press, New York (1967).
3. O. G. Vendik (editor), Ferroelectrics in Microwave Technology [in Russian], Sovetskoe Radio, Moscow (1979).
4. ?Development of fundamental and applied investigations in the area of physicochemical and mechanical properties of a surface,? Vestnik Akad. Nauk SSSR, No. 9, 3?17 (1979).
5. N. M. Buzin, I. V. Ivanov, V. A. Chistyakov, and V. F. Chuprakov, Pis'ma Zh. Tekh. Fiz.,6, 457 (1980).