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Standardized Tests for Determining the Physical Properties of Mine Rock

Leonard ObertWilbur I. DuvallStephen L. Windes

出版	U.S. Bureau of Mines, 1946
URL	http://books.google.com.hk/books?id=KGA6DzFWcBkC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN