TY  - BOOK
AU  - Kondrašov, E. N.
ED  - All-African conference on the development and utilization of mineral resources
TI  - Geological-economic analysis for the development of the Africa raw materials source pertaining to the most important types of hard minerals up to 2000
PY  - 1979///
CY  - M.
KW  - Москва
KW  - Д450.09(6)
KW  - rubbk
ER  -