1. Ivanyukov, D.V. and Fridman, M.L., Polipropilen (Polypropylene), Moscow: Khimiya, 1974, pp. 124–165.
2. Sazhin, B.I., Lobanov, A.M., Romanovskaya, O.S., et al., Elektricheskie svoistva polimerov (Electrical Properties of Polymers), Sazhin, B.I., Ed., Leningrad: Khimiya, 1986, pp. 80–127.
3. Sadovnichii, D.N., Tyutnev, A.P., Milekhin, Yu.M., and Khatipov, S.A., Radiation-induced conductivity of polymer composites filled by finely divided oxides, High Energy Chem., 2003, vol. 37, no. 6, pp. 389–394.
4. Gorokhovatskii, Yu.A., Aniskina, L.B., Bura, V.V., et al., The nature of electret state in composite films of high pressure polyethylene with nanodispersed SiO2 filler, Izv. Herzen Univ. Humanities Sci., 2009, no. 9, pp. 63–77.
5. Dubnikova, I.L., Kedrina, L.F., Solov’ev, A.B., et al., The effect of filler nature on the crystallization behavior and mechanical properties of filled polypropylene, Polym. Sci., Ser. A., 2003, vol. 45, no. 3, pp. 281–286.