00878    a2200217   4500003000500000005001700005010001600022020001500038040000900053082001500062245011200077260004800189300003400237440003700271505019500308650004000503650003000543650003900573700002200612700002600634Nust20221017123133.0  a   79025974  a0839115539  cNust00a617.89,ACO10aAcoustical factors affecting hearing aid performance /cedited by Gerald A. Studebaker and Irving Hochberg.  aBaltimore :bUniversity Park Press,cc1980.  axiv, 450 p. :bill. ;c24 cm. 0aPerspectives in audiology series  aAcoustical Effects of the Environment (Page-1), The External Ear, The Earmold and The Earphone (Page-107), Modeling Techniques (Page-266), Frequency Response Selection Techniques (Page-322). 0aAcoustical engineeringxCongresses. 0aHearing aidsxCongresses. 0aHearing aidsxFittingxCongresses.1 aHochberg, Irving.1 aStudebaker, Gerald A.