| 000 | 00471nam a2200181Ia 4500 | ||
|---|---|---|---|
| 008 | 140613s2002 xx 000 0 und d | ||
| 020 | _a8129702118 | ||
| 082 |
_a005.71 _bHEL-N4;P2 |
||
| 100 | _aHELD, Gilbert | ||
| 245 |
_aUnderstanding data communications _b |
||
| 250 | _aEd 7 | ||
| 260 |
_bPEARSON EDUCATION _aDELHI _c2002 |
||
| 300 |
_axv, 765 _bPAPER BINDING |
||
| 650 | _aDATA COMMUNICATIONS | ||
| 650 | _aDATA COMMUNICATIONS | ||
| 700 |
_a _e |
||
| 942 |
_2ddc _cBK |
||
| 999 |
_c7104 _d7104 |
||