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2. Guidelines for Manual Pure-tone Threshold Audiometry;American Speech-Language-Hearing Association,2005
3. American National Standard Methods for Calculation of the Speech Intelligibility Index;ANSI S3.5,1997
4. Spectral loudness summation for short and long signals as a function of level;Anweiler;J. Acoust. Soc. Am.,2006
5. Loudness Models for Rehabilitative Audiology;Appell,2002