Deismireacht APA

Wellmer,Friedrich-Wilhelm. (1989). Economic evaluations in exploration. Springer - Verlag.

Chicago Edition Citation

Wellmer,Friedrich-Wilhelm. Economic Evaluations in Exploration. London: Springer - Verlag, 1989.

Deismireacht MLA

Wellmer,Friedrich-Wilhelm. Economic Evaluations in Exploration. Springer - Verlag, 1989.

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