Acoustical factors affecting hearing aid performance edited by Gerald A. Studebaker and Irving Hochberg - Baltimore University Park Press 1980 - 450 p. : ill. ; 24 cm. - Perspectives in audiology series . ISBN: 0839115539 LCCN: 79-25974 Subjects--Topical Terms: Hearing aids--CongressesHearing aids--Fitting--CongressesAcoustical engineering--Congresses