| 000 | 00263 a2200073 4500 | ||
|---|---|---|---|
| 245 | 0 |
_aInternational Conference on Private Electronic Switching Systems / _c. |
|
| 710 | 2 |
_aInstitution of Electrical Engineering. _eWydawca _4pbl |
|
| 260 |
_aLondon : _bIEE, _c1978. |
||
| 300 |
_aVIII, 214 s.; _c35 cm. |
||
| 999 |
_c6734 _d6734 |
||