000 002670000a22001210004500
080 _a621.372.54
_bS8
100 _aStarr, A.T.
245 _aElectric circuits and wave filters
250 _a2nd ed.
260 _aLondon
_bPitman
_c1938
300 _a475p.
942 _cBK
999 _c52693
_d52693