000 00332nam a2200157Ia 4500
082 _a621.38/Rod/Coo
100 _aRoddy, Dennis; Coolen, John
526 _dTB
526 _aPG
366 _f20
942 _cBK
245 _aElectronic communication 4th ed
260 _aIndia
_bPearson
_c2008
300 _axi,723
546 _aE
999 _c77441
_d77441