01118nam0a22002891 4500 RU\INFOCOMM_322\NLR\5000099736 20250613104834.0 (NLR Aleph) 009514856 8789765 8789765 20121210d1979 |||y0rusy50 ca eng RU y z ||||| Geological-economic analysis for the development of the Africa raw materials source pertaining to the most important types of hard minerals up to 2000 [Rep. for the 1st All-Afr. conf. on the development a. utilization of mineral resources] E. N. Kondrashov M. 1979 15 с., 1 л. табл. табл. 20 см В надзаг.: Min. of geology of the USSR Москва Д450.09(6) rubbk z01790 Kondrašov E. N. All-African conference on the development and utilization of mineral resources 1 570 z01700 Kondrashov E. N. 070 RU NLR 20121210 RU INFOCOMM PSBO NLR Гн01 Д-4/192 BOOK NB 2013-10-26 NLR01 NLR01 IF 9514856-10 Гн01 Д-4/192 0 BOOK 01_4192