1. G. A. Smolenskii and N. N. Krainik, Ferroelectrics and Antiferroelectrics (Nauka, Moscow, 1968) [in Russian].
2. M. E. Lines and A.M. Glass, Principles and Applications of Ferroelectrics and Related Materials (Oxford, New York, 1977).
3. S. A. Gridnev, “Ferroelastic Crystals: Basic Properties, Influence of Defects,” Priroda, No. 6, 22–29 (2002).
4. B. Jaffe, W. R. Cook, and H. Jaffe, Piezoelectric Ceramics (Academic Press, New York, 1971).
5. A. V. Belokon’ and A. S. Skaliukh, Mathematical Modeling of Irreversible Polarization Processes (Fizmatlit, Moscow, 2010) [in Russian].