1. L. I. Baron and G. N. Sirotyuk, in: Blasting [in Russian], No. 62/19, Nedra, Moscow (1967).
2. É. A. Koshelev, V. M. Kuznetsov, S. T. Sofronov, and A. G. Chernikov, PMTF, No. 2 (1971).
3. L. N. Marchenko, Increasing the Efficiency of Blasting for Mining Minerals [in Russian], Nauka, Moscow (1965).
4. V. N. Rodionov, in: The Mechanism of Rock Breaking by Blasting [in Russian], Naukova Dumka, Kiev (1971).