| 000 | 00413 a2200109 4500 | ||
|---|---|---|---|
| 020 | _a9261026516 | ||
| 920 | _a92-61-02651-6 | ||
| 245 | 0 |
_aCCITT GAS 3 Transmission Systems, Economic and Technical Aspects of the Choise of Transmission Systems GAS 3 / _c. _nvol.2 |
|
| 250 | _aManual-edition1986. | ||
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1986. |
||
| 300 |
_aVII, 401 s.: _bil.; _c30 cm. |
||
| 999 |
_c1819 _d1819 |
||