✦ LIBER ✦
Underground mining and rapid excavation : Howard, TE 4F Min. Engng, V27, N6, 1975, P37–41
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 106 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0148-9062
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