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

Λεπτομέρειες βιβλιογραφικής εγγραφής
Κύριος συγγραφέας:	Hurvitz, Joel
Άλλοι συγγραφείς:	Carmen, Richard
Μορφή:	Βιβλίο
Γλώσσα:	English
Έκδοση:	Boston Little, Brown c1981.
Θέματα:	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.