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

書誌詳細
第一著者:	Sloan, Louise Littig 1898-
フォーマット:	図書
言語:	English
出版事項:	Baltimore Williams & Wilkins c1977.
主題:	Ophthalmic lenses. Reading devices for people with disabilities. People with visual disabilities.