1. Magnetism;Vonsovskii,1971
2. Introduction to the Theory of Critical Phenomena;Uzunov,1993
3. Soft Modes in Ferroelectrics and Antiferroelectrics;Blinc,1974
4. Introduction to the Microscopic Theory of Ferroelectrics;Vaks,1973
5. Plastic crystals, melting, and random fields