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4. Chemical Encyclopedy (Sov. Entsiklopediya, Moscow, 1987), Vol. 1, p. 1164 [in Russian].
5. Ya. B. Zel’dovich, G. I. Barenblat, V. B. Librovich, and G. M. Makhviladze, Mathematical Theory of Combustion and Explosion (Nauka, Moscow, 1980; Plenum, New York, 1985).