| 000 | 00485nam a22001457a 4500 | ||
|---|---|---|---|
| 020 | _a0672309343 (pbk) | ||
| 082 |
_a004.6 _bHEL |
||
| 100 | _aHeld, Gilbert | ||
| 245 | _aUnderstanding data communications | ||
| 260 |
_aIndianapolis _bSams Pub _c1996 |
||
| 300 |
_axv, 504 p. _b: ill. _c; 23 cm. |
||
| 650 |
_aData transmission systems _vComputer networks _vData communication _vDigital transmission _vSatellite communication _vTransmission _vChannels _vLAN _vFC |
||
| 942 | _cBK | ||
| 999 |
_c624 _d624 |
||