| 000 | 00270 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aCCITT Plenary Assembly (Red Book) New Delhi, 1960 : _bMaintenance / _c. _nVol.IV-bis |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1961. |
||
| 300 |
_a272 s.; _c24 cm. |
||
| 999 |
_c13899 _d13899 |
||