000 | 00401nam a2200169Ia 4500 | ||
---|---|---|---|
650 | _aTelecommunication | ||
520 | _aIssue No.1-4,6-9,12 | ||
365 | _cRS | ||
365 | _d1 | ||
942 | _cBV | ||
654 | _aVoice | ||
654 | _aData | ||
654 | _aTelecommunication | ||
245 |
_aVoice and Data _bThe Business of Communication |
||
260 |
_bGupta, Pradeep. New Delhi _c2002-2003 _aNational |
||
440 | _v9 | ||
999 |
_c21790 _d21790 |