1. Thermodynamic and experimental investigation of the effect of rare-earth ions (Ln3+) nature on the posistor properties of (Ba1−xLnx3+)TiO3;Belous;Key Engineer. Mater.,1997
2. On the nature of the semiconductive properties of doped barium titanate;Rotenberg;Izv. AN SSSR. Ser. fiz.,1967
3. Nb-doped semiconducting barium titanate;Belous;Neorg.Mater.,1996
4. Smolenskii, G. A. (ed.) Physics of Ferroelectric Phenomena. Nauka, Leningrad, 1985, pp. 306–316 (in Russian).
5. Veryatin, U. D., Mashirev. V. P., Ryabtsev, N. G., Tarasov, V. I., Rozozkin, V. D. and Kozobov, I. V., Thermodynamic Properties of Inorganic Substances A Handbook. Atomizdat, Moscow, 1965, p. 460 (in Russian).