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Methane Emissions from an Advancing Coal Mine Section in the Pittsburgh Coalbed

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

出版	U.S. Department of the Interior, Bureau of Mines, 1976
URL	http://books.google.com.hk/books?id=VLY9l7_r7ecC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN