| 000 | 00390nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 210716s1994 xx 000 0 und d | ||
| 020 | _a9780672305016 | ||
| 041 | _aeng | ||
| 082 | _a004.65 HELG | ||
| 100 | _aHeld, Gilbert. | ||
| 245 | _aUnderstanding data communications. | ||
| 250 | _a1 | ||
| 260 |
_aUSA _bSAMS publishing _c1994 |
||
| 300 | _axvii.435 | ||
| 650 | _aComputer Networks | ||
| 999 |
_c187884 _d187884 |
||