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Size and shape of the protecting pillars under surface and underground structures for the conditions of great depths : Chudek, M Strata Control in Deep Mines: Proc 11th Plenary Scientific Session of the International Bureau of Strata Mechanics, World Mining Congress, Novosibirsk, 5–9 June 1989P61–72. Publ Rotterdam: A A Balkema, 1990


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

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