Cita APA

Ruhmer, W. T. (1989). Handbook on the estimation of metallurgical process costs. South Africa: Counciltor Mineral Technology.

Citación estilo Chicago

Ruhmer, W. T. Handbook On the Estimation of Metallurgical Process Costs. South Africa: Counciltor Mineral Technology, 1989.

Cita MLA

Ruhmer, W. T. Handbook On the Estimation of Metallurgical Process Costs. South Africa: Counciltor Mineral Technology, 1989.

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