✦ LIBER ✦
Roof classification and determination of the support capacity for the fully mechanized longwall faces : Peng, S S; Zhu, D R; Jiang, Y M J Min Metal FuelV37, N6/7, June-July 1989, P289–296
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 107 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0148-9062
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