Technical, technological and economical aspects of thin-seams coal mining : International Mining Forum 2007 /
51
Main Authors: | , , |
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Format: | |
Language: | eng |
Published: |
London : Taylor & Francis,
2007
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Subjects: |
51
Main Authors: | , , |
---|---|
Format: | |
Language: | eng |
Published: |
London : Taylor & Francis,
2007
|
Subjects: |