National telephone networks for the automatic service
the International Telegraph and Telephone Consultative Committee (C.C.I.T.T.), IIIrd Plenary Assembly, Geneva 1964
Bok Engelsk 1964
| Utgitt | [Geneva] : International Telecommunication Union , [1964?]
|
|---|---|
| Omfang | 1 b. (løsbl.) : ill.
|
| Emner |
