| 000 | 00335 a2200109 4500 | ||
|---|---|---|---|
| 020 | _a9261080413 | ||
| 920 | _a92-61-08041-3 | ||
| 245 | 0 |
_aDirection of Traffic, 1999 : _bTrading Telecom Minutes / _c. |
|
| 250 | _a3 edition. | ||
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1999. |
||
| 300 |
_aIX, 347 s.; _c30 cm. |
||
| 999 |
_c999 _d999 |
||