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Carbonizing Properties of Coals from Fayette, Greene, and Washington Counties, Pa

David E. WolfsonC. Ortuglio

出版	U.S. Department of the Interior, Bureau of Mines, 1968
URL	http://books.google.com.hk/books?id=a8KwR4dQV-cC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN