Publication Type: Journal Article Authors: William Loughborough Publication: Journal of Visual Impairment & Blindness, Volume 73, Issue 6 (1979) DOI URL: http://dx.doi.org/10.1177/0145482X790730060Project URL: https://journals.sagepub.com/doi/10.1177/0145482X7907300606 Related Centers, Labs, Projects Rehabilitation Engineering Research Center Talking Signs Google Scholar BibTeX Tagged EndNote XML