1. V. A. Greshnikov and Yu. B. Drobot, Acoustical Emission (Izd. Stand., Moscow, 1976) [in Russian].
2. V. M. Baranov, Acoustical Measurement in Nuclear Energetics (Energoatomizdat, Moscow, 1990), [in Russian].
3. J. Keizer, Archiv fur das Eisenhuttenwesen, No. 1/2, 43 (1953).
4. I. I. Antsyferov, N. G. Antsyferova, and Ya. Ya. Kagan, Seismoacoustical Study and Problem of the Dynamical Phenomena Prognosis (Nauka, Moscow, 1971) [in Russian].
5. S. D. Vinogradov, Acoustical Observations of Rock Destruction Process (Nauka, Moscow, 1964), [in Russian].