 |
| |||
| water-flow record (при помощи самописца); water-flow records (при помощи самописца) | |||
| наблюдения за стоком: 12 phrases in 6 subjects |
| Ecology | 1 |
| Hydraulic engineering | 2 |
| Hydrology | 3 |
| Makarov | 1 |
| Melioration | 1 |
| Technology | 4 |
|
| |||
| water-flow record (при помощи самописца); water-flow records (при помощи самописца) | |||
| наблюдения за стоком: 12 phrases in 6 subjects |
| Ecology | 1 |
| Hydraulic engineering | 2 |
| Hydrology | 3 |
| Makarov | 1 |
| Melioration | 1 |
| Technology | 4 |