TY - BOOK AU - Pickett,J.M. AU - Houde,Robert A. AU - Levitt,Harry TI - Sensory aids for the hearing impaired T2 - IEEE Press selected reprint series SN - 0471084360 PY - 1980/// CY - New York PB - IEEE Press KW - Hearing aids KW - Deaf KW - Means of communication KW - Communication devices for the disabled ER -