1. H. J. Bauer and H. E. Bass, ?Sound amplification from controlled excitation reactions,? Phys. Fluids,16, No. 7 (1973).
2. J. Srinivasan and W. G. Vincenti, ?Criteria for acoustic instability in a gas with ambient vibrational and radiative nonequilibrium,? Phys. Fluids,18, No. 12 (1975).
3. E. Ya. Kogan and V. N. Mal'nev, ?Sound propagation in a vibrationally nonequilibrium gas,? Zh. Tekh. Fiz.,47, No. 3 (1977).
4. A. P. Osipov and A. V. Uvarov, ?Sound propagation in a vibrationally nonequilibrium gas,? Vestn. Mosk. Univ., Fiz. Astron.,25, No. 6 (1984).
5. I. A. Kirillov, V. D. Rusanov, and A. A. Fridman, ?Generation of shock waves in a vibrationally nonequilibrium gas flow,? Zh. Khim. Fiz.,4, No. 1 (1985).