| 000 | 00365nam a2200145Ia 4500 | ||
|---|---|---|---|
| 001 | 4728 | ||
| 008 | 150525s9999 xx 000 0 und d | ||
| 020 | _a0 906048 42 7 | ||
| 100 | _aBylanski P | ||
| 245 | _aDigital Transmission Systems | ||
| 250 | _a2 | ||
| 260 |
_aLondon _bPeter Pereguins Limited _c1980 |
||
| 300 | _a,;ill. | ||
| 650 | _aData Transmission Systems | ||
| 999 |
_c34146 _d34146 |
||