Instructions for the international telephone service - 1 January 1960 : text in accordance with the decisions of the Special Assembly of the CCITT September-November 1958
- Författare
- International Telegraph and Telephone Consultative Committee
- Språk
- Engelska
| Förlag | År | Ort | Om boken | ISBN |
|---|---|---|---|---|
| International Telecommunication Union | 1959 | Schweiz, Geneva | 111 sidor. |