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State of stress of the side rocks in the slot method of protecting a working : Piskunov, V I; Simanovich, G A Sov Min Sci, V12, N5, Sept–Oct 1976, P487–493


Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
102 KB
Volume
15
Category
Article
ISSN
0148-9062

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