| 000 | 00417nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 220421s9999||||xx |||||||||||||| ||und|| | ||
| 020 |
_c175 _a9788120310803 |
||
| 040 | _aET | ||
| 082 | _a004.6 HEL-U | ||
| 100 |
_aHeld, Gilbert _98176 |
||
| 245 | 0 | _aUnderstanding data communications | |
| 250 | _a4th | ||
| 260 |
_bPrentice-Hall of India _aNew Delhi _c1994 |
||
| 300 | _a431p. | ||
| 500 | _a19755 | ||
| 942 | _cBK | ||
| 999 |
_c25976 _d25976 |
||