00435nam a2200157Ia 4500008004100000020001400041082001600055100002000071245004500091250000800136260004500144300002700189500001900216600002700235650001500262240925s9999    xx            000 0 und d  a130812234  a621.382 COU  aCouch ,Leon. W. 0aDigital and Analog Communication Systems  a6th  aNew Jersey:bPrintice- Hall Int.c,2001.  axx,500p.bN.AfPirated  aIncludes Index  aElectronic Engineering  aTechnology