 |
| |||
| источник радиоволн (Alex_Odeychuk) | |||
|
source of radio : 8 phrases in 4 subjects |
| Astronomy | 4 |
| Astrophysics | 2 |
| Geophysics | 1 |
| Makarov | 1 |
|
| |||
| источник радиоволн (Alex_Odeychuk) | |||
|
source of radio : 8 phrases in 4 subjects |
| Astronomy | 4 |
| Astrophysics | 2 |
| Geophysics | 1 |
| Makarov | 1 |