Equipment and techniques of wire-pope percussion, Seminar "Today's drilling a. coring methods", [Donetsk, 1981]
Гн01 Д-4/291 английский (eng)/Equipment and techniques of wire-pope percussion : Seminar "Today's drilling a. coring methods", [Donetsk, 1981] / V. P. Krendelev ; UN Econ. commiss for Asia a. Oceania a. State comm. of the USSR for external econ. relations.Equipment and techniques of wire-pope percussion : Seminar "Today's drilling a. coring methods", [Donetsk, 1981] / V. P. Krendelev.Equipment and techniques of wire-pope percussion : Seminar "Today's drilling a. coring methods", [Donetsk, 1981].M./, 1981 ( ). - 1981. - 25 с. : граф. ; 21 см см.Equipment and techniques of wire-pope percussion : Seminar "Today's drilling a. coring methods", [Donetsk, 1981]. M., 1981 .Д443.571.12/"Today's drilling and coring methods", seminar (; 1981; Donetsk)/