Narrow search
Showing 1 - 4 of 4
Cover Image
Copper, cobalt, nickel and manganese availability from land-based endowments : a perspective
Barsotti, Aldo F. - In: Natural resources forum : a United Nations sustainable … 8 (1984) 3, pp. 267-278
Persistent link: https://www.econbiz.de/10001870067
Cover Image
Worldwide availability of silver
Boyle, Edward H. - In: Natural resources forum : a United Nations sustainable … 10 (1986) 4, pp. 331-342
Persistent link: https://www.econbiz.de/10001051427
Cover Image
Estimated costs for the recovery of copper from demonstrated resources in market economy countries
Barsotti, Aldo F.; Rosenkranz, Rodney D. - In: Natural resources forum : a United Nations sustainable … 7 (1983) 2, pp. 99-113
Persistent link: https://www.econbiz.de/10001870083
Cover Image
Comparison of cost structures at selected US and Colombian coal mines
Yancik, Joseph J. - In: Natural resources forum : a United Nations sustainable … 12 (1988) 2, pp. 129-136
Persistent link: https://www.econbiz.de/10015153693