00326nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001400084245004000098260003800138300000800176650000800184221030s9999    xx            000 0 und d  a9971511703  aEnglish  a105.23bHay  aS. Haykin 0aCommunication Systemscby S. Haykin  bWiley Eastern PubaNew Yorkc1999  a872  aECE