Special devices for hard of hearing, deaf, and deaf-blind persons

Bibliografiset tiedot
Päätekijä:	Hurvitz, Joel
Muut tekijät:	Carmen, Richard
Aineistotyyppi:	Kirja
Kieli:	English
Julkaistu:	Boston Little, Brown c1981.
Aiheet:	Blind, Apparatus for the > Catalogs. Blind-deaf > Means of communication > Equipment and supplies > Catalogs. > United States. Communication devices for people with disabilities > Catalogs. > United States. Deaf > Means of communication > Equipment and supplies > Catalogs. > United States. Medical instruments and apparatus. Otolaryngology.