✦ LIBER ✦
Keeping the water surface open ahead of spillway gates by means of air-bubbling apparatus
✍ Scribed by G. A. Skoblin
- Book ID
- 105552242
- Publisher
- Springer
- Year
- 1969
- Tongue
- English
- Weight
- 183 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1570-1468
No coin nor oath required. For personal study only.