 |
| |||
| помеха от земной поверхности (Konstantin 1966) | |||
|
interference from the Earth's surface : 2 Phrasen in 1 Thematik |
| Luftfahrt | 2 |
|
| |||
| помеха от земной поверхности (Konstantin 1966) | |||
|
interference from the Earth's surface : 2 Phrasen in 1 Thematik |
| Luftfahrt | 2 |