1. Poluprovodniki na osnove titanata bariya (Barium Titanate Semiconductors), Okazaki, M., Ed., Moscow: Energoizdat, 1982 (translated from Japanese).
2. Heywang, W., Resistivity Anomaly in Doped Barium Titanate, J. Am. Ceram. Soc., 1964, vol. 47, no. 10, pp. 484–490.
3. 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.
4. Xing, X., Deng, J., Zhu, Zh., and Liu, G., Solid Solution Ba1 − x PbxTiO3 and Its Thermal Expansion, J. Alloys Compd., 2003, vol. 353, pp. 1–4.
5. Myasoedov, A.V. and Syrtsov, S.R., Positive Temperature Coefficient of Resistance in Pb-Doped Barium Titanate Ceramics, Zh. Tekh. Fiz., 1997, vol. 67, no. 9, pp. 126–127.