Extraction of minerals and energy : today`s dilemmas

Deju, Raul A.

Extraction of minerals and energy : today`s dilemmas - - Ann Arbor Ann Arbor Science, 1974 - x,301 p. 22 cm - .

0-250-40056-10



Mining engineering-Environmental aspects-Congresses

628.5:622.7 Dej:73

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