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Influence of cutting sequence and time effects on cutters and roof falls in underground coal mine numerical approach /Ray, Anil Kumar. January 2009 (has links)
Thesis (Ph. D.)--West Virginia University, 2009. / Title from document title page. Document formatted into pages; contains xvi, 285 p. : ill. (some col.), col maps. Includes abstract. Includes bibliographical references (p. 278-285).
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