000 00354nam a2200145Ia 4500
008 160910s9999 xx 000 0 und d
040 _cSGVU Library
041 _cEng.
100 _aRoddy, D.
245 _aElectronic communications. 4/ed
_cBy D. Roddy
260 _bPHI. New Delhi.
520 _aEngineering
650 _aElectronics
942 _cBOOKS
999 _c4305
_d4305