| 000 | 00495 a2200097 4500 | ||
|---|---|---|---|
| 020 | _a9261018815 | ||
| 920 | _a92-61-01881-5 | ||
| 245 | 0 |
_aCCITT GAS 5-7 Economic Studies at the National Level in the Field of Telecommunications (1981-1984) : _b7- Study of Management Information Systems for Telecommunications Authorities and Appropriate Application of the Information Technology / _c. |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1984. |
||
| 300 |
_a33 s.: _bil.; _c30 cm. |
||
| 999 |
_c1824 _d1824 |
||