1. A. von Engel, Ionized Gases (Clarendon, Oxford, 1965; Fizmatgiz, Moscow, 1959).
2. Yu. P. Raizer, Fundamentals of Modern Physics of Gas-Discharge Processes (Nauka, Moscow, 1980) [in Russian].
3. Yu. P. Raizer, Gas Discharge Physics (Nauka, Moscow, 1987; Springer-Verlag, Berlin, 1991).
4. E. P. Velikhov, V. Yu. Baranov, V. S. Letokhov, et al., Pulsed CO 2 Lasers for Isotope Separation (Nauka, Moscow, 1983).
5. Introductional Volume;F. M. Gaisin,2000