1. S. A. Losev, Gas-Dynamic Lasers [in Russian], Nauka, Moscow (1977).
2. J. D. Anderson, Gasdynamic Lasers. An Introduction, Academic Press (1976).
3. V. A. Akimov, V. T. Karpukhin, S. M. Chernyshev, and V. F. Sharkov, ?Amplification ratio in CO2 gasdynamic lasers behind nozzles of wedge and profiled geometries. 1. Experimental set-up and pulsed-periodic scheme of amplification measurement,? Inzh.-Fiz. Zh.,44, No. 4, 580?585 (1983).
4. G. N. Abramovich, Applied Gas Dynamics [in Russian], Nauka, Moscow (1976).
5. G. I. Kozlov and E. L. Stupitskii, ?Measurement of the amplification ratio in a shock wave propagating through an inverted medium,? Zh. Tekh. Fiz.,45, No. 2, 359?367 (1975).