000 00471nam a2200193Ia 4500
008 220902s9999 xx 000 0 und d
041 _a  ENGLISH
082 _a621.382.382
082 _bBLA
100 _aBLAKE, ROY
245 0 _aElectronic communication systemS.
250 _a2nd ed.
250 _b2010
260 _aNEW DELHI
260 _bCENGAGE LEARNING PVT. LTD.
300 _a985
650 _a  ELECTRONIC COMMUNICATIONS
942 _cREF
999 _c142587
_d142587