𝔖 Bobbio Scriptorium
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Alternatives to shaft pillars for the protection of deep vertical shaft systems : McKinnon, S D Proc 6th International Conference on Rock Mechanics, Montreal, 30 Aug–10 Sept 1987V2, P1129–1134. Publ Rotterdam: A A Balkema, 1987


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

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