✦ LIBER ✦
Resistivity roof fall warning system in the white pine mine : Gibbons, M; Farstad, J; Kehrman, R F US Bureau of Mines report OFR 53–80, 15 March 1979, 75P
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 71 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0148-9062
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