За някои проблеми в морските радиокомуникации / On Some Issues in Maritime Radiocommunications
| Autor: | Vicheva, Petina |
|---|---|
| Zdroj: | Български език / Bulgarian Language. 69(2):62-73 |
| Databáze: | Central and Eastern European Online Library (CEEOL) |
| Externí odkaz: |
|