00325nam a2200121Ia 4500008004100000041000800041082001800049100002200067245003100089260005400120300000800174999002100182231228s1997    xx            000 0 und d  aeng  a621.3822bPOR  aPOROKIS (John G.)  aDigital Signal Processing.  aNew DelhibPrentice Hall of India New Delhic1997  a968  c1082097d1082097