✦ LIBER ✦
Hydraulic method for working of a thick steep seam with closed underground water dehydration and clarification cycle
✍ Scribed by V. V. Lukashchuk; V. I. Shablovskii; G. I. Kulakov
- Publisher
- Springer
- Year
- 1993
- Tongue
- English
- Weight
- 236 KB
- Volume
- 29
- Category
- Article
- ISSN
- 1573-8736
No coin nor oath required. For personal study only.