Thomas, Leon J.
An Introduction to mining: exploeation, feasibility, extraction, rock mechanics / Leon J.Thomas - [S.l] Methuen of Australia 1979 - ix, 471 p.
Includes appendix and index.
454000871
Maining engineering
622 / THO
An Introduction to mining: exploeation, feasibility, extraction, rock mechanics / Leon J.Thomas - [S.l] Methuen of Australia 1979 - ix, 471 p.
Includes appendix and index.
454000871
Maining engineering
622 / THO