✦ LIBER ✦
Geomechanics classification system for the rating of rock mass in mine design : Laubscher, D H J S Afr Inst Min MetallV90, N10, Oct 1990, P257–273
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 97 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0148-9062
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