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Pillar mining at Polaris using frozen backfill : Zahovskis, C N Proc 13th World Mining Congress, Improvement of Mine Productivity and Overall Economy by Modern Technology, Stockholm, June 1987V2, P915–924. Publ Rotterdam: A A Balkema, 1987


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
109 KB
Volume
26
Category
Article
ISSN
0148-9062

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