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Pillar stability in ultra-close seam mining : Zhou, Y; Haycocks, C Rock Mechanics Contributions and Challenges: Proc 31st US Symposium, Golden, 18–20 June 1990P137–144. Publ Rotterdam: A A Balkema, 1990


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
113 KB
Volume
28
Category
Article
ISSN
0148-9062

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