✦ LIBER ✦
Assessing shaftless underground coal winning technologies from the viewpoint of integrated utilization
✍ Scribed by V. D. Grun’; V. P. Ponomarev
- Book ID
- 105598664
- Publisher
- Springer
- Year
- 1978
- Tongue
- English
- Weight
- 273 KB
- Volume
- 14
- Category
- Article
- ISSN
- 1573-8736
No coin nor oath required. For personal study only.