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Google圖書搜尋
Rock Bolt Research
Richard S. Culver
其他書名
Evaluation Studies on Rock Bolts and Rock Mechanics Instruments, Phase 1
出版
Omaha District, Corps of Engineers
, 1967
URL
http://books.google.com.hk/books?id=cE58HAAACAAJ&hl=&source=gbs_api