Reading aids for the partially sighted a systematic classification and procedure for prescribing

Bibliografiske detaljer
Hovedforfatter:	Sloan, Louise Littig 1898-
Format:	Bog
Sprog:	English
Udgivet:	Baltimore Williams & Wilkins c1977.
Fag:	Ophthalmic lenses. Reading devices for people with disabilities. People with visual disabilities.