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Cost Comparison of Gob Hole and Cross-measure Borehole Systems to Control Methane in Gobs
Eugene C. Baker
Fred Garcia
Joseph Cervik
出版
U.S. Department of the Interior, Bureau of Mines
, 1988
URL
http://books.google.com.hk/books?id=fdNx_xzaPksC&hl=&source=gbs_api
EBook
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