Telecommunication journal - International telecommunication Union
| Format: | Journal |
|---|---|
| Language: | English |
| Published: |
Geneva
International Telecommunication Union
|
| Published: | 37(1970) - 52(1985) ; 54(1987) |
|---|---|
| Publication Frequency: | Μηνιαίο |
| ISSN: | 0497-137X |