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A review of collapsed coal pillar geometries 1904–1988: Madden, B J Proc Symposium on Advances in Rock Mechanics in Underground Coal Mining, Witbank, 12 Sept 1989P77–81. Publ Marshalltown: SANGORM, 1989

Publisher: Elsevier Science
Year: 1990
Tongue: English
Weight: 105 KB
Volume: 27
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(90)91503-y

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