| 000 | 00293 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aCCIR Plenary Assembly New Delhi, 1970 : _bSpectrum Utilization and Monitoring (Study Group 1) / _c. _nVol.1 |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1970. |
||
| 300 |
_a486 s.; _c24 cm. |
||
| 999 |
_c13295 _d13295 |
||