Determining face methane-liberation patterns during longwall mining
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| Description | information circular published in 1985 |
| Author/s |
author: Andrew B. Cecala Robert A. Jankowski Fred N. Kissell |
| Publication date | January 1, 1985 |
| Language | English |
| Country of origin | |
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| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |