| 000 | 00337cam a2200145ua 4500 | ||
|---|---|---|---|
| 020 | _a81-7635-0666-4 | ||
| 082 |
_a004.6 _bHEL/U |
||
| 245 | 0 | 0 | _aUnderstanding data communications |
| 250 | _a5th ed. | ||
| 260 |
_aNew Delhi _bTechmedi _c1998 |
||
| 300 | _axv,504p. | ||
| 500 | _aIncludes index. | ||
| 650 | 0 | _aComputer science | |
| 942 | _cBK | ||
| 999 |
_c458 _d458 |
||