000			004090000a22001570004500
008			161031t1981 xxu||||| |||| 00| 0 eng d
020			_a0070704309
041			_aeng
080			_a621.372.54 _bW5
942			_cBK _01
100			_aWilliams, Arthur B.
245			_aElectronic filter design handbook
260			_aNew York _bMcGraw Hill _c1981
300			_axiv, various paging
650			_aELECTRIC FILTERS
999			_c116761 _d116761