000			00330nam a2200133Ia 4500
008			200906s9999 xx 000 0 und d
082			_a537.12 J134
100			_aJACKSON,L.C
245		0	_aWAVE FILTERS
260			_bMETHUEN, LONDON _c1960
300			_a21X10
440			_aMETHUEN'S MONOGRAPHS ON PHYSICAL SUBJECTS
942			_cBK
999			_c62505 _d62505