1. A. B. Bagdasayan, ?Calculation of the effects of an explosion in a brittle rock (pressure fracture, formation of shear and tear joints),? Zh. Prikl. Mekh. i Tekh. Fiz., No. 5 (1969).
2. F. A. Baum, ?Explosive disruption of rock,? in: Blasting, 52/9, Nedra, Moscow (1963).
3. A. V. Mikhalyuk, ?Allowance for the viscosity of compressible soil in blasting,? in: Use of Explosions in the National Economy [in Russian], Part 3, Naukova Dumka, Kiev (1970).
4. V. M. Radionov and V. M. Tsvetkov, ?Some results of observations on underground nuclear explosions,? Atomnaya Énergiya,30, No. 1 (1971).
5. V. M. Finkel', Physics of Failure [in Russian], Izd. Metallurgiya, Moscow (1970).