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Methane Emissions from Four Working Places in the Beckley Mine, Raleigh County, W. Va

P. W. JeranDavid H. LawheadM. C. Irani

出版	Department of the Interior, Bureau of Mines, 1977
URL	http://books.google.com.hk/books?id=SPHr1dDntQUC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN