000			00282nam a2200109Ia 4500
008			220201s1963 xx 000 0 eng d
100			_aI.S.I
245		0	_aIS 2264-1963 Preferred frequencies for acoustical measrurments
260			_bI.S Insitute _c1963
300			_a4
942			_2ddc
999			_c78685 _d78685