00325nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001400084245004500098260002500143300000900168650001400177221030s9999    xx            000 0 und d  a0070601712  aEnglish  a105.23bHsu  aH. P. Hsu 0aSchaum`s Signals & Systemscby H. P. Hsu  bTMHaNew Delhic2006  a7.79  aComputers