1. N. A. Konoplev, A. A. Stepanov, and V. A. Shcheglov, ?Theoretical study of a ring model of a supersonic DF-CO2 chemical laser,? Kvantovaya Elektron.,8, No. 2 (1981).
2. N. A. Konoplev, A. A. Stepanov, and V. A. Shcheglov, ?Ring model of supersonic DF-CO2 chemical laser: theoretical study of lasing and gain conditions,? Preprint No. 256, Fiz. Inst. Akad. Nauk SSSR (1981).
3. R. Gross and J. Bott (eds.), Chemical Lasers [Russian translation], Mir, Moscow (1980).
4. A. S. Bashkin, V. I. Igoshin, A. N. Oraevskii, and V. A. Shcheglov, Chemical Lasers [in Russian], Nauka, Moscow (1982).
5. Williams, ?Viscous compressible and incompressible gas flow in narrow channels,? Raket. Tekh. Kosmonavt.,1, No. 1 (1963).