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

ग्रंथसूची विवरण
मुख्य लेखक:	Hurvitz, Joel
अन्य लेखक:	Carmen, Richard
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Boston Little, Brown c1981.
विषय:	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.