| 000 | 00289 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aCCITT Plenary Assembly (Green Book) Geneva, 1972 : _bTelephone Signalling and Switching / _c. _nVol.6-1 |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1973. |
||
| 300 |
_a231 s.; _c30 cm. |
||
| 999 |
_c13394 _d13394 |
||