000 00436pam a2200157a 44500
008 160408b1975 xxu||||| |||| 00| 0 eng d
082 _a621.381532
_bJ631r
100 _aJohnson, David E.
245 1 _aRAPID PRACTICAL DESIGNS OF ACTIVE FILTERS
260 _aNew York
_bWiley
_c1975
300 _a264
650 _aElectric Filters -- Design And Construction
700 _aHilburn, John L.
964 _gCIRC
997 _aA50673 C
999 _c305566
_d305566