1. Linvill, J.G., Bliss, J.C.: A direct translation reading aid for the blind. In: Proceedings of the Institute of Electrical and Electronics Engineers, vol. 54, pp. 40–51 (1966)
2. White, B.W., Saunders, F.A., Scadden, L., Bach-Y-Rita, P., Collins, C.C.: Seeing with the skin. Perception & Psychophysics 7, 23–27 (1970)
3. Bach-y-Rita, P.: A tactile vision substitution system based on sensory plasticity. In: Sterling, T.D., Bering, J.E.A., Pollack, S.V., Vaughan, J.H.G. (eds.) Visual Prosthesis: The Interdisciplinary Dialogue, pp. 281–293. Academic Press, New York (1971)
4. Weisenberger, J.M., Percy, M.E.: Use of the Tactaid II and Tactaid VII with Children. The Volta Review 96, 41–57 (1994)
5. Reed, C.M., Delhorne, L.A.: Current results of field study of adult users of tactile aids. Seminars in Hearing 16, 305–315 (1995)