000 00308nam a2200133Ia 4500
005 20251003125739.0
008 251003s9999 xx 000 0 und d
082 _a621.3815
100 _aEllis
245 0 _aVoice Video & Data Network
260 _bAcademic
_aNew Delhi
_c2006
300 _a330
942 _cBK
999 _c38173
_d38173