1. Venevtsev, Yu.N., Politova, E.D., and Ivanov, S.A., Segneto-i antisegnetoelektriki semeistva titanata bariya (Ferro-and Antiferroelectrics of the Barium Titanate Family), Moscow: Khimiya, 1985.
2. Posmet’ev, V.V., Atomic Structure of the Amorphous Material of the Pb-Ti-3O System, Cand. Sci. (Phys.-Math.) Dissertation, Voronezh: Voronezh Gos. Tekh. Univ., 2004.
3. Posmet’yev, V.V., Korotkov, L.N., Kozhukhar, S.N., et al., Ferroelectrics, 2004, vol. 307, p. 199.
4. Freire, J.D. and Katiyar, R.S., Solid State Commun., 1981, vol. 40, p. 903.
5. Semagin, D., Dmitriev, S., Abe, K., et al., Ferroelectrics, 2002, vol. 268, p. 227.