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Relation of Dust Dissemination to Water Flow Through Rock Drills

Carlton E. BrownHelmuth Herman Schrenk

出版	U.S. Department of the Interior, Bureau of Mines, 1938
URL	http://books.google.com.hk/books?id=GbfnOeMhp4gC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN