 |
| |||
| одночастотный сигнал (oleg.vigodsky) | |||
|
single-frequency signal : 3 phrases, 2 sujets |
| Communications | 1 |
| Médias de masse | 2 |
|
| |||
| одночастотный сигнал (oleg.vigodsky) | |||
|
single-frequency signal : 3 phrases, 2 sujets |
| Communications | 1 |
| Médias de masse | 2 |