000			00378nam a2200145Ia 4500
008			180712s9999 xx 000 0 und d
020			_a250402572
082			_a620.23 _bGHE
100			_aGherling, W.L.
245			_aReference data for acoustic noise control
260			_aAnn Arbor _bAnn Arbor Science _c1978
300			_axii, 150 p.
650			_aNoise control
942			_cS
999			_c34888 _d34888