1. E. R. Blythe and D. Blur, Electrical Properties of Polymers (Cambridge Univ. Press, Cambridge, 2005; Fizmatlit, Moscow, 2008).
2. Encyclopedia of Polymers, Ed. by V. A. Kabanov (Sovetskaya Entsiklopediya, Moscow, 1977), Vol. 2 [in Russian].
3. Poly(vinyl chloride), Ed. by C. Uilki (Professiya, St. Petersburg, 2007) [in Russian].
4. GOST (State Standard) 50499-93, 1993 (ASTM D257-07).
5. A. N. Lachinov and N. V. Vorob’eva, Usp. Fiz. Nauk 176, 1249 (2006).