✦ LIBER ✦
Geodetic works to secure vertical sinking of drop shafts
✍ Scribed by N. P. Belous
- Book ID
- 112595394
- Publisher
- Springer
- Year
- 1969
- Tongue
- English
- Weight
- 263 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0038-0741
No coin nor oath required. For personal study only.