00645nam a2200169Ia 4500003000400000005001700004008004100021020001800062028002100080082001400101100002500115245004400140260002500184300001400209350000800223655024400231SNU20150624112007.0120327s9999    xx            000 0 und d  a9780070677449  aAllied publiaher  a004.6 SCH  aSchweber, William L.  aData CommunicationscWilliam L.Schweber  bTMHaNew Delhic2009  axi; 564p.  a475  bData Transmission Systemb, Data Communicationsb, Communications Channelb, Modulation and Demodulationb, Analog Communicationsb, Digital Communicationsb, Communications Media and Problemsb, Telephone Systems and Modemsb and Networks