[6] G. A. Smolensky, N. N. Krainik. Segnetoelektriki i antisegnetoelektriki. Ferroelectrics and Antiferroelectrics(1968).
[10] A. G. Smolenskiy et al. Fizika segnetoelektricheskikh yavleniy. Physics of Ferroelectric Phenomena(1985).
[11] Ya. I. Frenkel. Kineticheskaya teoriya zhidkosti. Kinetic Theory of Liquid(1975).
[21] Yu. M Gufan, V. P. Sakhnenko. Thermodynamic description of crystals in second-order phase transitions near N-phase points. Zh. Éksp. Teor. Fiz., 63, 1909(1972).
[22] B. A Strukov, A. P. Levanyuk. Fizicheskiye osnovy segnetoelektricheskikh yavleniy v kristallakh. Physical Foundations of Ferroelectric Phenomena in Crystals(1983).