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Roof control when working seams liable to gas and rock outbursts (in Polish) : Fenc, W Przegl Gorn, V36, N7–8, July–Aug 1980, P340–349

Publisher: Elsevier Science
Year: 1981
Tongue: English
Weight: 114 KB
Volume: 18
Category: Article
ISSN: 0148-9062
DOI: 10.1016/0148-9062(81)91279-1

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