✦ LIBER ✦
Critical observations of criteria for the use of machine drivage in rock and in the seam and their economic viability compared with shot-firing (in German) : MOrgen, W Nobel Hefte, V46, N4, Oct–Dec 1980, P121–129
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 109 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0148-9062
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