00326nam a2200121Ia 4500008004100000020001800041100002100059245004700080260002600127260000900153300000800162650003400170221231s9999    xx            000 0 und d  a81-265-0914-7  aShanmugan, Sam K 0aDigital and Analog  Communication Systems  bJohn  Wiley and Sons  c2007  a600  aElectronics and Communication