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The response of mining investment to a decline in economic growth : the case of copper in the 1970s
Radetzki, Marian, (1984)
A supply curve for the domestic primary copper industry
Foley, Patrica T., (1979)
The international political economy of minerals : copper in the United States and Chile, 1945 - 1986
Muirragui, Eileen I., (1989)