Sensory aids for the blind ; report of a conference.

Bibliographic Details

Corporate Authors:	Conference on Sensory Aids National Academy of Sciences, National Research Council (U.S.). Subcommittee on Sensory Aids
Format:	Conference Proceeding Book
Language:	English
Published:	Washington, [publisher not identified] ; 1968.
Series:	Publication (National Research Council (U.S.)) ; no. 1691.
Subjects:	Blind, Apparatus for the.