| 000 | 00378nam a2200145Ia 4500 | ||
|---|---|---|---|
| 005 | 20250703102231.0 | ||
| 008 | 210219s9999||||xx |||||||||||||| ||und|| | ||
| 082 |
_a001.64404 _bH474U |
||
| 100 | _aHeld, Gilbert | ||
| 245 | 0 | _aUnderstanding data communications | |
| 260 |
_aNew Delhi, _bPHI, _c1996 |
||
| 300 | _axvii; 435p | ||
| 650 |
_aData Communications _948613 |
||
| 942 | _cBK | ||
| 999 |
_c29853 _d29853 |
||