000 00416nam a22001577a 4500
005 20220518143610.0
008 100830t xxu||||| |||| 00| 0 eng d
020 _a0471843180
082 _a621.381 5324
_bCHE
100 _aChen,Wai-Kai
245 _aPassive and active filters
_btheory and implementations
260 _aNew York
_bJohn Wiley and Sons
_c1986
300 _axv,504p.
653 _afilters
942 _cBK
999 _c224544
_d224544