The future economic significance of large lowgrade copper and nickel deposits /
Prokop, Friedrich W.
The future economic significance of large lowgrade copper and nickel deposits / [by] Friedrich W. Prokop. - Berlin : Gebruder Borntraeger, 1975. - 67 p. : ill. ; 24 cm. - Monograph series on mineral deposits; no.13. .
344312013X
Copper ores.
Nichel ores.
The future economic significance of large lowgrade copper and nickel deposits / [by] Friedrich W. Prokop. - Berlin : Gebruder Borntraeger, 1975. - 67 p. : ill. ; 24 cm. - Monograph series on mineral deposits; no.13. .
344312013X
Copper ores.
Nichel ores.
