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020 _a9788174093134
040 _aUPES LIBRARY
_bEnglish
082 _a621.382
_bGUP
100 _aGupta, Sanjeeva
_949422
245 _aElectronic communications
250 _a3rd ed.
260 _aNew Delhi:
_bKhanna,
_c2012
300 _axxiv, 1031p.
650 _aElectronics Engineering
_98870
650 _aCommunication Engineering
_97372
942 _cBK