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Problems of working with roof caving the coal seams in shaft pillars (in Polish) : Skinderowicz, B; Rogusz, Z Przegl Gorn, V37, N7–8, July–Aug 1981, P428–435

Publisher: Elsevier Science
Year: 1982
Tongue: English
Weight: 107 KB
Volume: 19
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(82)90954-8

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