00358nam a2200133Ia 4500008004100000041001200041082001600053100003100069245006500100250001300165260001600178300001200194650001800206231217s9999    xx            000 0 und d  aEnglish  a621.38  ZIE  aZiemer, R E. Tranter, W H. 0aPrinciples of communications : systems, modulation and noise  a3rd ed.   c1993bJaico  axiv+812  aCommunication