New methods of rock excavation and of exploration drilling, Seminar "Today's drilling a. coring methods", [Donetsk, 1981]
Т27 Д-4/36 английский/New methods of rock excavation and of exploration drilling : Seminar "Today's drilling a. coring methods", [Donetsk, 1981] / E. F. Epstein ; UN Econ. commiss. for Asia a. Oceania a. State comm. of the USSR for external econ. relations.New methods of rock excavation and of exploration drilling : Seminar "Today's drilling a. coring methods", [Donetsk, 1981] / E. F. Epstein.New methods of rock excavation and of exploration drilling : Seminar "Today's drilling a. coring methods", [Donetsk, 1981].M./, 1981 ( ). - 1981. - 22 с. ; 21 см см.New methods of rock excavation and of exploration drilling : Seminar "Today's drilling a. coring methods", [Donetsk, 1981]. M., 1981 .
Библиогр.: с. 19-22. Библиогр.: с. 19-22.Тг162[Т131]/"Today's drilling and coring methods", seminar (; 1981; Donetsk)/Epstein ./
Библиогр.: с. 19-22. Библиогр.: с. 19-22.Тг162[Т131]/"Today's drilling and coring methods", seminar (; 1981; Donetsk)/Epstein ./