1. M. E. Lines and A. M. Glass, Principles and Applications of Ferroelectrics and Related Materials (Clarendon, Oxford, 1977).
2. I. S. Rez and Yu. M. Poplavko, Dielectrics: Fundamental Properties and Applications in Electronics (Radio i Svyaz’, Moscow, 1989) [in Russian].
3. A. I. Baranov, in Proceedings of the X All-Union Conference on Ferroelectricity and Applications of Ferroelectrics in National Economy, Minsk, Soviet Union, 1982 (Minsk, 1982), Vol. 2, p. 58 [in Russian].
4. V. P. Avramenko, A. Yu. Kudzin, A. I. Motchany, G. Kh. Sokolyanskiĭ, and N. V. Tverdokhlebov, Ukr. Fiz. Zh. (Russ. Ed.) 33 (29), 291 (1988).
5. T. He, K. D. Kreuer, Yu. M. Baikov, and J. Maier, Solid State Ionics 95, 301 (1997).