1. P. T. Oreshkin, Physics of Semiconductors and Dielectrics (Vyssh. Shkola, Moscow, 1977) [in Russian].
2. C. J. F. Bottcher and P. Bordewijk, Theory of Electric Polarization (Elsevier, Amsterdam, 1992).
3. G. S. Landsberg, Optics (Nauka, Moscow, 1976).
4. E. A. Masimov and H. F. Abbasov, in Proceedings of the 16th International Conference on Chemical Thermodynamics in Russia (Suzdal, 2007), Vol. 1, pp. 3S-239–3S-240.
5. E. A. Masimov and H. F. Abbasov, in Proceedings of the 15th All-Russia Conference on Structure and Dynamics of Molecular Systems (Yalchik, 2008), p. 110.