01206nam0a22003011 4500 RU\INFOCOMM_322\NLR\5000246315 20250613112740.0 (NLR Aleph) 009616774 9406984 9406984 20130319d1967 |||y0rusy50 ca eng RU y z ||||| Underground radio wave exploration [Lecture read at the International seminar on geophysical methods of prospecting for ore minerals for UNO - fellows from the countries of Asia, Africa and Latin America, held in Moscow in July, 1967] A. D. Petrovsky Min. of geology of the USSR M. 1967 34 с. 21 см Отпеч. множит. аппаратом Библиогр.: с. 33-34 Москва Гн-665 rubbk z01790 Petrovskij A. D. United Nations Interregional seminar on new methods for mineral exploration with emphasis on geophysical techniques Moscow 1967 570 z01700 Petrovsky A. D. 070 RU Infocomm 20130319 RU INFOCOMM PSBO NLR Гн01 Д-4/53 BOOK NB 2013-10-26 NLR01 NLR01 IF 9616774-10 Гн01 Д-4/53 0 BOOK 01_453