1. Sinyavsky, Y. V., Pashkov, N. D., Karagusov, V. I. and Gorovoy, Y. M. 1986.Electro- and Magnetocaloric Refrigerators44Moscow (in Russian)
2. Birks, E. H. 1984.Phase Transitions and Accompanying Phenomena in Ferroelectrics, 171Riga: Latvian State University. (in Russian)
3. Shebanov, L. A. 1974.Phase Transitions in Ferroelectrics with the Perovskite Structure, 150Riga: Latvian State University. (in Russian)
4. Sternberg, A. R., Bruveris, I. E.Knite, M. E. 1978.Physics and Chemistry of Solid State75Moscow (in Russian)
5. The role of B‐site cation disorder in diffuse phase transition behavior of perovskite ferroelectrics