References
- Bliss , J. C. and Moore , M. W. 1974 . The Optacon Reading System . Education of the Visually Handicapped , 6 ( 4 ) : 98 – 102 .
- Gilson , Jack . 1982 . Personal communication
- Telesensory Systems, Inc. 1978 . “ Efficient Optacon reading ” . In Optacon teacher seminar Edited by: Ruconich , Sandra . Palo Alto, CA