| 000 | 00423nam a2200181Ia 4500 | ||
|---|---|---|---|
| 001 | 4728 | ||
| 008 | 141107s9999 xx 000 0 und d | ||
| 020 | _a0 906048 42 7 | ||
| 050 | _aTK 5105.B92 | ||
| 100 | _aBylanski P | ||
| 245 | _aDigital Transmission Systems | ||
| 250 | _a2 | ||
| 260 | _aLondon | ||
| 260 | _bPeter Pereguins Limited | ||
| 260 | _c1980 | ||
| 300 | _a,;ill. | ||
| 650 | _aData Transmission Systems | ||
| 999 |
_c34144 _d34144 |
||