000 | 00580nam a2200205Ia 4500 | ||
---|---|---|---|
008 | 161214s9999 xx 000 0 und d | ||
020 |
_a8176353191 _c(pbk) |
||
082 |
_223 _a621.3981 _bHEL |
||
100 | _aHeld, Gilbert | ||
245 | 0 | _aUnderstanding Data Communications | |
250 | _a6th ed. | ||
260 |
_aNew Delhi: _bTechmedia, _c1999 |
||
300 |
_a619 p.; _bIllus. Index.: _c24 cm. |
||
650 | _aData Communications | ||
650 | _aDigital Transmission | ||
650 | _aFiber-Optics | ||
650 | _aMessages and Transmission Channels | ||
650 | _aTerminal Devices | ||
942 |
_2ddc _cBK |
||
999 |
_c8500 _d8500 |