 |
| |||
| soil monitoring (Alexander Demidov) | |||
| наблюдение за почвой: 5 phrases in 2 subjects |
| Astronautics | 4 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| soil monitoring (Alexander Demidov) | |||
| наблюдение за почвой: 5 phrases in 2 subjects |
| Astronautics | 4 |
| Natural resourses and wildlife conservation | 1 |