000			00317nam a2200121Ia 4500
100			_aChen, Wai. Kai.
020			_a9812-53-028-2
942			_cBK
245			_aPassive and active filters _bTheory and implementations
260			_aJohn wiley & sons, Singapore _c2003
082			_a621.3815324 Che
300			_axviii,50
999			_c22820 _d22820