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020 _a9788131503546
040 _aUPES LIBRARY
_bEnglish
082 _a621.382
_bSTA
100 _aStanley, William D
_917548
245 _aElectronic communications principles and systems
260 _aNew Delhi:
_bCengage Learning,
_c2008
300 _a702p.
650 _aElectronics Engineering
_98870
700 _aJeffords, John M
_917549
942 _cBK