1. Souza, F.L., Gomes, J.W., Bueno, P.R., et al., Mater. Chem. Phys., 2003, vol. 80, pp. 512–516.
2. Hashimov, A.M., Hasanli, Sh.M., Mehtizadeh, R.N., Bayramov, Kh.B., and Azizova Sh.M., Phys. Stat. Sol. (C), 2006, no. 8, pp. 2871–2875.
3. Bagirov, M.A., and Malin, V.P., Elektricheskoe starenie polimernykh dielektrikov (Electrical Ageing of Polymer Dielectrics), Baku: Azerb. Gos. Izdat., 1987.
4. Dzhuvarly, Ch.M., Veghaizer, G.V., and Leonov, P.V., Elektron. Tekhn., 1977, p. 6.
5. Hasanli, Sh.M., Mehtizadeh, R.N., Imanova, A.Y., and Nuriyev, M.A., Features of Elecrtophysical Characteristics of Composite Varistors Based on Semiconductor (GaAs and InAs) and Polymer, 5 th Int. Conf. Techn. Phys. Probl. Power Eng., 2009, Univ. Bilbao, pp. 210–213.