00507pamaa2200169 4500 0000018439 20081021090000.0 047182352X 621.3815324 CHE TK7872.F5 CHE 1986 Chen Wai-Kai Passive and active filters : theory and implementations Chen Wai Kai. New York: John Wiley, 1986. xv, 504p.: 26cm. Electric filters, Active Electric filters, Passive Analog electronic systems