1. A. G. Gnedovets and A. A. Uglov, Inzh. Fiz. Zh.,60, No. 5, 709?715 (1991).
2. X. Chen and P. He, ?Plasma chemistry and plasma processing,?6, No. 4, 313?333 (1986).
3. A. G. Gnedovets, Inzh.-Fiz. Zh.,58, No. 1, p, 95 (1990).
4. A. A. Uglov, A. G. Gnedovets, and Yu. N. Lokhov, Teplofiz. Vys. Temp.,20, No. 4, 621?626 (1982).
5. X. Chen and X-g. Chen, ?Plasma chemistry and plasma processing,?9, No. 3, 387?408 (1989).