| 000 | 00367nam a2200133Ia 4500 | ||
|---|---|---|---|
| 001 | a56a83ce90a4b638d25ad903bf0929afbd3182d4 | ||
| 008 | 140104s9999 xx 000 0 und d | ||
| 100 | _aHeld, Gilbert | ||
| 245 |
_aUnderstanding data communications / _c Gilbert Held |
||
| 250 | _a7th ed. | ||
| 260 |
_bPearson Education, _cc2003. |
||
| 942 | _cBK | ||
| 999 |
_c20050 _d20050 |
||