00361nam a2200133Ia 4500008004100000041001200041082001900053100003100072245006500103250001200168260001600180300001200196650001900208231217s9999    xx            000 0 und d  aEnglish  a621.38  ZIE  R  aZiemer, R E. Tranter, W H. 0aPrinciples of communications : systems, modulation and noise  a3rd ed.  c1996bJaico  axiv+812  aCommunications