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The influence of dolerite sills on total extraction underground workings and surface subsidence : Lear, C D; Schumann, E H R Proc Symposium on Advances in Rock Mechanics in Underground Coal Mining, Witbank, 12 September 1989P135–145. Publ Marshalltown: SANGORM, 1989

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 117 KB
Volume: 28
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(91)92628-c

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