Abstract

State Scientific-Research and Planning Institute of the Coal, Ore, Petroleum, and Gas Industries of the Ukrainian SSR, Kiev. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 5, pp. 122–124, September–October, 1975.

Fulltext Preview

Image of the first page of the fulltext document