Communications systems world wide.
| Format: | Serial |
|---|---|
| Published: |
London:
Morgan Grampion,
1984-
|
| Subjects: |
| Published: | Sept./Oct. 1984- |
|---|---|
| Item Description: | Kütüphanede bulunan yıllar: n. (1-12) 1985, |
| Physical Description: | v.: ill. |
| Publication Frequency: | Monthly (1985- ) |
| ISSN: | 0267-1395 |