Amplification for the hearing - impaired / edited by Michael C. Pollack ; with and introduction by Raymond Carhart - Segunda edición - New York : Grune & Stratton, 1980 - xxxvii, 456 p. : figs Incluye índice ISBN: 0808912127 Subjects--Topical Terms: AudifonosAudiometría Dewey Class. No.: 617.89 A526 1980