00337nam a2200145Ia 4500008004100000020001500041041001200056082001600068100001400084245004000098250000800138260002900146300000800175650000800183221030s9999 xx 000 0 und d a9971513056 aEnglish a105.23bHay aS. Haykin 0aCommunication Systemscby S. Haykin a4th bJohn WileyaMumbaic2002 a816 aECE