000 00380 a2200145 4500
020 _a8120309847
080 _a621.39
_bROD
100 _aRoddy, Dennis15135
245 _aElectronic communications/4th ed.
260 _aNew Delhi
_bPrentice Hall of India
_c2013
300 _a719p.
650 _a621.39
_xTelecommunication15133
700 _aCoolen, John15134
942 _cBK
_2ddc
999 _c353089
_d353089