| 000 | 00729nac a22002171u 4500 | ||
|---|---|---|---|
| 010 | _a 99060971 | ||
| 020 | _a8176353191 | ||
| 020 | _a0672322161 | ||
| 082 | 0 | 0 |
_a004.6 _bH4743 |
| 090 |
_c429 _d429 |
||
| 100 | _aHeld, Gilbert, | ||
| 245 | 1 | 0 |
_aUnderstanding data communications / _cGilbert Held. |
| 250 | _a7th ed. | ||
| 260 |
_aBoston : _bAddison; _c2002. |
||
| 300 |
_axviii, 765 p. : _bill. ; _c24 cm. |
||
| 500 | _aPrevious eds. written by George E. Friend ... et al. | ||
| 650 | 0 | _aData transmission systems. | |
| 650 | 0 | _aComputer networks. | |
| 942 |
_cBB _k004.6H4743 |
||
| 999 |
_c429 _d429 |
||