000 00310nam a2200133Ia 4500
100 _aGUPTA SANJEEVA
650 _aCommunication Systems
365 _cRS
365 _d1
942 _cENGBK
245 _aElectronics Communication Systems
260 _bKhanna Publishers
_c1980
_aNew Delhi
300 _aXII+796PP
999 _c35677
_d35677