Barber, J. (1971). A cycon mini-information system on geology, geochemistry, exploration, mining, costs and economics of porphyry and disseminated copper deposits. Canada: CYCON Resource Management.
Παραπομπή Chicago StyleBarber, John. A Cycon Mini-information System On Geology, Geochemistry, Exploration, Mining, Costs and Economics of Porphyry and Disseminated Copper Deposits. Canada: CYCON Resource Management, 1971.
Παραπομπή MLABarber, John. A Cycon Mini-information System On Geology, Geochemistry, Exploration, Mining, Costs and Economics of Porphyry and Disseminated Copper Deposits. Canada: CYCON Resource Management, 1971.
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