Copper is still the world's most important metal next to iron [microform].

Copper is still the world's most important metal next to iron [microform].

Bibliographische Detailangaben
Körperschaft: Federated Copper Mines, inc
Format: Visual Material
Sprache:English
Veröffentlicht: Quezon City Photoduplication Service. University of the Philippines Library 1976.
Schlagworte:
Copper mines and mining.