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Micro-seismic Method of Determining the Stability of Underground Openings
Leonard Obert
Wilbur I. Duvall
出版
U.S. Government Printing Office
, 1957
主題
Science / Earth Sciences / Geology
ISBN
0598905596
9780598905598
URL
http://books.google.com.hk/books?id=6zbxAQAACAAJ&hl=&source=gbs_api