TY - BOOK AU - Lisjanskij, V. I. AU - Kabiščer, B. V. ED - "Today's drilling and coring methods", seminar TI - Casing and cementing of exploration holes for hard mineral resources PY - 1981/// CY - M. KW - Москва KW - Тг162 KW - rubbk KW - [И131.043] N2 - Библиогр.: с. 19-20 ER -