1. Yu. D. Moskalev, ?Formation of airwaves accompanying avalanches,? in: Proceedings of Glacial Investigations. Chronicle, Discussion, No. 16 [in Russian], Moscow (1970), p. 57.
2. D. I. Tebuev, M. A. Dolov, and V. A. Kholkechev, ?Thermodynamic model of the formation of a shock wave during the descent of snow avalanches,? Ibid. p. 62.
3. Yu. D. Yakimov and I. E. Shchurova, ?Nature of the airwave produced by a snow avalanche,? in: Reviews of Soviet Glaciology [in Russian], Ilim, Frunze (1968), p. 355.
4. S. S. Grigoryan and N. A. Urumbaev, ?Nature of the avalanche airwave,? Nauchn. Tr. Inst. Mech. Mosk. Gos. Univ., No. 42, 74 (1975).
5. A. G. Kulikovskii and E. I. Sveshnikova, ?Model for calculating the motion of a powder-snow avalanche,? in: Proceedings of Glacial Investigations. Chronicle, Discussion, No. 31 [in Russian], Moscow (1971), p. 74.