000 00330nam a2200133Ia 4500
005 20251003125847.0
008 251003s9999 xx 000 0 und d
082 _a621.381
100 _aKennedy,Sophie
245 0 _aElectronic Communication System
260 _bTata Macgraw-Hill
_aNew Delhi
_c2012
300 _a630
942 _cBK
999 _c39932
_d39932