Κανονική προβολή Προβολή MARC Προβολή ISBD

Mineral industries of : Africa / U. S. Department of the Interior, Bureau of Mines. - Washington: United States Government Printing Office, 1989-1991. - 2 v. : tables, maps ; 28 cm. - III .

ISBN: 0160359279 0160418070

Subjects--Topical Terms:
Mineralogy
Mines and minerals resources
Mineralogy--Africa

Dewey Class. No.: 549.6