000 002620000a22001210004500
245 _aTheory of electrical filters
100 _aRhodes, J.D.
260 _aLondon
_bWiley
_c1976
300 _a224 p.
080 _a621.372.54
_bR5
041 _aEN
942 _cBK
999 _c102989
_d102989