Beaver, K.A. & Mann, W.C. (1995). Overview of technology for low vision. American Journal of Occupational Therapy, 49 (9), 913-921.
Kangas, K.A. & Llyod, L.L. (1988). Early cognitive skills as prerequisites to augmentative and alternative communication use: What are we waiting for? AAC Augmentative and Alternative Communication, 4 , 211-221.
Light, J. (1997). Communication is the essence of human life: Reflections on communicative competence. Augmentative and Alternative Communication, 13 , 61-70.
Rosenthal, S.B. (1995). Living with low vision: A personal and professional perspective. American Journal of Occupational Therapy, 49 (9), 861-864.