00394nam a2200145Ia 4500008004100000020001500041041000800056082001800064100005400082245003600136250000600172260003900178300001100217650002000228210716s2003    xx            000 0 und d  a812970269X  aeng  a621.3822 PHIC  aPhillips, Charles L; Parr, John M; Riskin, Eve A.  aSignals systems and transforms.  a3  aNew DelhibPearson Educationc2003  axx,765  aDigital Systems