Abstract
Get full access to this article
View all access options for this article.
References
1.Telesensory Systems, Inc. Optacon training: Teaching guidelines. Palo Alto : Telesensory Systems , 1977 .
2.Telesensory Systems, Inc. Optacon training: Stage 1 grapheme recognition. Palo Alto : Telesensory Systems , 1977 .
3.
Thurman D.
, &
Weiss-Kapp S.
Optacon instruction for the deaf-blind. Education of the Visually Handicapped , 1977 , 9 , 47 –50 .