1. M. Lines and A. Glass, Principles and Applications of Ferroelectrics and Related Materials (Oxford Univ., Oxford, 1977).
2. F. Jona and G. Shirane, Ferroelectric Crystals (Pergamon, Oxford, London, New York, Paris, Mir, Moscow, 1965).
3. T. P. Myasnikova and A. E. Myasnikova, Phys. Solid State 45, 2338 (2003).
4. A. A. Zubreeva, in Proceedings of the International Scientific-Technical Conference INTERMATIC, Moscow, November 14–17, 2011, p. 66.
5. V. Ya. Shur, D. K. Kuznetsov, E. A. Mingaliev, et al., Appl. Phys. Lett. 99, 082901 (2011).