000 00337nam a2200133Ia 4500
005 20260413101020.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aKennedy George
245 0 _aElectronic Communication Systems
260 _bN Delhi Tata Mcgrew hill
_c2006
300 _a763
942 _cGB
999 _c6144
_d6144