000			00362nam a2200109Ia 4500
008			200527s9999||||xx |||||||||||||| ||und||
082			_a617.89 INT
245		0	_aRecommended Methods for Measurement of the Electro-Acoustical Characterstics of Hearing Aids
250			_a1st ed.
264			_bBureau Control de la Commission Electrotechnique I _c1959
300			_a33p.
999			_c15517 _d15517