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

Xehetasun bibliografikoak
Egile nagusia:	Hurvitz, Joel
Beste egile batzuk:	Carmen, Richard
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	Boston Little, Brown c1981.
Gaiak:	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.