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Royalities, cyclical prices and the theory of the mine
Conrad, Robert F. - In: Resources and energy : a journal devoted to … 1 (1978) 2, pp. 139-150
Persistent link: https://www.econbiz.de/10002019834
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Taxation of mineral resources
Conrad, Robert F.; Hool, R. Bryce - 1980
Persistent link: https://www.econbiz.de/10000085125
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Taxation of mineral resources
Conrad, Robert F.; Hool, R. B. - 1980
Persistent link: https://www.econbiz.de/10004153036