01015nam0a22002411  4500001003100000005001700031035002600048100004100074101000800115102000700123105001800130200028600148210001300434215002000447320003300467620001700500686002000517700002200537712014000559801002700699801002300726852002400749RU\INFOCOMM_322\NLR\500024631520250613112740.0  a(NLR Aleph) 009616774  a20130319d1967    |||y0rusy50      ca0 aeng  aRU  ay   z   |||||1 aUnderground radio wave exploratione[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]fA. D. PetrovskygMin. of geology of the USSR  aM.d1967  a34 с.d21 см  aБиблиогр.: с. 33-34  aМосква  aГн-6652rubbk 1aPetrovskijbA. D.02aUnited NationsbInterregional seminar on new methods for mineral exploration with emphasis on geophysical techniqueseMoscowf19674570 1aRUbInfocommc20130319 0aRUbINFOCOMMgPSBO  aNLRjГн01 Д-4/53