| 000 | 00405nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 241225s9999 xx 000 0 und d | ||
| 020 | _a8176353191 | ||
| 082 |
_a004.6 _bHEL |
||
| 100 | _aHeld,Gilbert. | ||
| 245 | 0 | _aUnderstanding data communications | |
| 250 | _a2nd edition. | ||
| 260 |
_aDelhi : _bTechmedai, _c2007 |
||
| 300 | _a619. | ||
| 365 | _a180 | ||
| 650 | _aData processing computer science | ||
| 999 |
_c23029 _d23029 |
||