000			00338nam a2200097Ia 4500
008			200527s9999||||xx |||||||||||||| ||und||
082			_a617.89 INT
245		0	_aRecommended Methods for Measurement of the Electro-Acoustical Characterstics of Hearing Aids
264			_bBureau Control de la Commission Electrotechnique I _c1959
300			_a11p.
999			_c15518 _d15518