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Systematic sidewall support of coal pillars at depth : Lear, C D; Hill, R W Proc Symposium on Advances in Rock Mechanics in Underground Coal Mining, Witbank, 12 September 1989P155–163. Publ Marshalltown: SANGORM, 1989

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 112 KB
Volume: 28
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(91)92605-x

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