00478nam a2200157Ia 4500008004100000020001500041082001800056100002200074245009200096250000800188260003500196300002800231500001900259600002700278650001500305240925s9999    xx            000 0 und d  a007009960x  a621.38223 CAR  aCarlson ,A. Bruce 0aCommunication Systems: An introduction to signals and noise in electrical communication  a3rd  aNew York:bMcGraw-Hillc,1986.  axxii,406p.bNAfPirated  aIncludes Index  aElectrical Engineering  aTechnology