1. V. L. Sergeev, Inzh. Fiz. Zh.,9, No. 5 (1965).
2. V. L. Sergeev, G. M. Bezladnov, and V. D. Lyashkevich, Inzh.-Fiz. Zh.,20, No. 4 (1971).
3. L. I. Kolonina and V. Ya. Smolyakov, in: Generators of Low-Temperature Plasma [in Russian], Izd. Énergiya (1968).
4. E. Pfender, E. R. G. Eckert, and G. Raithby, Proc. Seventh Internatl. Confer. Ionization Phenomena in Gases, Belgrade, 1965, Vol. 1 (1966), p. 691.
5. É. I. Asinovskii and A. V. Kirillin, Teplofiz. Vys. Temp.,3, No. 5, 677 (1965).