| 000 | 00297 a2200097 4500 | ||
|---|---|---|---|
| 020 | _a9261086217 | ||
| 920 | _a92-61-08621-7 | ||
| 245 | 0 |
_aITU Internet Reports - IP Telephony / _c. |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c2000. |
||
| 300 |
_aXII, 114 s.: _bil.; _c30 cm. |
||
| 999 |
_c1468 _d1468 |
||