00313nam a2200133Ia 45000030006000000080041000060400015000471000028000622450040000902500011001302600009001415460012001500050017001620STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aTaub and Schilling; Eds  aPrinciples of communication systems  aSecond  c2003  aEnglish20220125170525.0