Blue book Vol. 6. Fasc. 6.5, Digital local, transit, combined and international exchanges in integrated digital networks and mixed analogue-digital networks = Supplements = Recommendations Q.500-Q.554 - IXth Plenary Assembly, Melbourne, 14-25 November 1988
- Författare
- International Telegraph and Telephone Consultative Committee
- Genre
- Konferenspublikation
- Språk
- Engelska
| Förlag | År | Ort | Om boken | ISBN |
|---|---|---|---|---|
| 1989 | Schweiz | 182 sidor. : ill. | 92-61-03491-8 |