| 000 | 00372 a2200097 4500 | ||
|---|---|---|---|
| 020 | _a9261038417 | ||
| 920 | _a92-61-03841-7 | ||
| 245 | 0 |
_aITU Study of the Costs of Providing and Operating Telecommunication Services Between Industralized and Developing Countries / _c. |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1988. |
||
| 300 |
_a20 s.; _c30 cm. |
||
| 999 |
_c1917 _d1917 |
||