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Frictional Ignition of Methane by Continuous Mining Machines in Underground Coal Mines

Edward M. KawenskiGeorge Cletus PriceClete R. Stephan

出版	Department of Labor, Mine Safety and Health Administration, 1979
URL	http://books.google.com.hk/books?id=A674cmNm_IsC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN