C.C.I.R. XIIIth Plenary Assembly, Geneva, 1974. 7. Standard frequencies and time signals (Study group 7)
International Radio Consultative Committee. Plenary Assembly (13: 1974 Geneva)
Bok Engelsk 1975
| Utgitt | Geneva : International Telecommunication Union , 1975
|
|---|---|
| Omfang | 81 s.
|
| Emner | |
| ISBN | 9261000819
|
