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A summary comparison of mining laws and practices with recommendations for policy
Herbert, Charles F., (1967)
Historical and projected oil and gas consumption : January ...
(1989)
Alaska oil and natural gas: some economic and environmental aspects
Thomas, Wayne C., (1980)
Le problème des déchets de la production et de la consommation considéré dans l'optique canadienne : pollution et réduction de la pollution
Paproski, Dennis M., (1970)