Kruzina, T. V., V. M. Sidak, M. P. Trubitsyn, S. A. Popov, and J. Suchanicz. “Mechanisms of Electroconductivity in Na0.5Bi0.5TiO3 Single Crystals”. Journal of V. N. Karazin Kharkiv National University. Series Physics, no. 23, Dec. 2016, pp. 120-3, https://periodicals.karazin.ua/physics/article/view/7789.