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
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