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Google圖書搜尋
The Mechanics of Coal Mine Bumps, and the Interaction Between Coal Pillars, Mine Roof and Floor
Steven Lee Crouch
Charles Fairhurst
出版
Department of Civil and Mineral Engineering, University of Minnesota
, 1973
URL
http://books.google.com.hk/books?id=q7O_3P-Td7kC&hl=&source=gbs_api
EBook
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