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Google圖書搜尋
Preliminary Analysis of Methodologies for Mining Thin-seam Mountaintop Coal Resources
William D. Mayercheck
Jasinder S. Jaspal
Richard B. Farrar
出版
U.S. Department of the Interior, Bureau of Mines
, 1990
URL
http://books.google.com.hk/books?id=5hoFzfE3o9sC&hl=&source=gbs_api
EBook
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