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Assessment of surface fracture depth and intensity due to subsidence over the longwall panel using a sonic technique : Khair, A W; Ro, Y S Rock Mechanics as a Guide for Efficient Utilization of Natural Resources: Proc 30th U.S. Symposium, Morgantown, 19–22 June 1989P723–730. Publ Rotterdam: A A Balkema, 1989


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
128 KB
Volume
27
Category
Article
ISSN
0148-9062

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