| 000 | 00287 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aCCITT Plenary Assembly (Blue Book) Geneva, 1964 : _bTelephone Signalling and Switching / _c. _nvol. 6 |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1965. |
||
| 300 |
_a416 s.; _c24 cm. |
||
| 999 |
_c2418 _d2418 |
||