An investigation into the factors affecting the strength of pillars in South African coal mines

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madden b j_121-150.pdf(2.66 MB)
Date
2011-02-21
Authors
Madden, Bernard John
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Description
PhD, Faculty of Engineering, University of the Witwatersrand
Keywords
coal mines , mine safety
Citation
URI
http://hdl.handle.net/10539/9056
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ETD Collection