1. 4. Vojcenja V.S., Guzhova S.K., Titov V.I. Effects of low temperature plasma and electromagnetic radiation materials [Vozdejstvie nizkotemperaturnoj plazmy i jelektromagnitnogo izluchenija na materialy]. 224 p. (Energoatomizdat, Moscow, 1991) [in Russian].
2. 5. Polymeric materials for space technique. Requirements for ultraviolet radiation stability tests: HOST R 25645.338-96 from 3rd December 1996. 16 p. (Gosstandart Rossii, Moscow, 1996) [in Russian].
3. 6. Gurevich A.V., Shvarcburg A.V. Nonlinear theory of propagation of radio waves in the ionosphere [Nelinejnaja teorija rasprostranenija radiovoln v ionosphere]. 273 p. (Nauka, Moscow, 1973) [in Russian].
4. Solar Radiation.;Johnson,1966
5. Discharge lamps for vacuum UV region of the spectrum;Shishackaja;Journal of Optical Technology,1995