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Pillarless longwall mining for multiple seams : V. V. Nazimko, in: Proc. 13th international conference, ground control in mining, Morgantown, WV, 1994, ed S.S. Peng, (WVU/USBM), 1994, pp 239–245


Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
137 KB
Volume
32
Category
Article
ISSN
0148-9062

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