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Determining the size and life of underground coal mines /

Thesis (Ph. D.)--Virginia Polytechnic Institute and State University, 1987. / Vita. Abstract. Includes bibliographical references (leaves 120-122). Also available via the Internet.

Identiferoai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/16837487
Date January 1987
CreatorsLi, Zhongxue,
Source SetsOCLC
LanguageEnglish
Detected LanguageEnglish
SourceThis resource online

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