| 000 | 00413 a2200097 4500 | ||
|---|---|---|---|
| 020 | _a9261021719 | ||
| 920 | _a92-61-02171-9 | ||
| 245 | 0 |
_aCCITT Plenary Assembly (Red Book) Malaga-Torremolinos, 1984 : _bSpecifications of Signalling Systems R1 and R2, Recommendations Q.310-Q.490 : Fascicle / _c. _nVol.VI.4 |
|
| 710 | 2 |
_aInternational Telecommunication Union. _eWydawca _4pbl |
|
| 260 |
_aGeneva : _bITU, _c1984. |
||
| 300 |
_aX, 180 s.; _c30 cm. |
||
| 999 |
_c13817 _d13817 |
||