00248nam a2200109Ia 4500100002500000650001800025245003400043260002300077082001800100300000800118546001200126  aHuelsman/Laurence P   aFilter design  aIBM DB2 9.7 Academic workshop  bMc Graw Hillc1993  a621.3815bHUE  a480  aENGLISH