✦ LIBER ✦
Rock falls in coal mines — can anything be done : Compressed Air, V82, N7, July 1977, P23
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 115 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0148-9062
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