000			00548nam a2200181 a 4500
001			A30009 13414
003			dti
005			20170506185120.0
008			s1976 000 0 eng
020			_a0134837762
100	1		_aJohnson, David E.
245	1	0	_aIntroduction to filter theory / _cby David E. Johnson.
260			_aEnglewood Cliffs, N.J. : _bPrentice-Hall, _c1976.
300			_axii, 306 p.
440		0	_aPrentice-Hall Electrical Engineering Series.
500			_aIncludes bibliography and index.
650		0	_aElectric filters.
999			_c374429 _d374429