000			00366nam a2200121Ia 4500
082			_aIS CODE _bI.S.I
100			_aIndian Standards Institution[ISI]
245			_aIS:2264-1963. Indian standard preferred frequencies for acoustical measurements.
260			_aNew Delhi _bIndian Standards Institution _c1972
300			_a4p.
500			_aENG
890			_aIndia
999			_c18519 _d18519