Recent advances in mining and processing of low-grade submarginal mineral deposits /
United Nations
Recent advances in mining and processing of low-grade submarginal mineral deposits / United Nations - New York : Pergamon Press, 1976 - viii, 192p. ; 25cm.
Centre for Natural Resources, Energy, and Transport (United Nations)
0080210511
Metallurgy-- Congresses
Mining engineering-- Congresses
Ore deposits-- Congresses
622 / UNI
Recent advances in mining and processing of low-grade submarginal mineral deposits / United Nations - New York : Pergamon Press, 1976 - viii, 192p. ; 25cm.
Centre for Natural Resources, Energy, and Transport (United Nations)
0080210511
Metallurgy-- Congresses
Mining engineering-- Congresses
Ore deposits-- Congresses
622 / UNI