Friedrich, . H. (1986). Geology and metallogeny of copper deposits: Proceedings of the copper symposium. Springer.
शिकागो स्टाइल उद्धरणFriedrich, H. Geology and Metallogeny of Copper Deposits: Proceedings of the Copper Symposium. Berlin: Springer, 1986.
एमएलए उद्धरणFriedrich, H. Geology and Metallogeny of Copper Deposits: Proceedings of the Copper Symposium. Springer, 1986.
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