1. Asakawa C., Itoh T.: User interface of a home page reader. In: ASSETS’98, pp. 149–156. ACM Press, New York (1998)
2. Asakawa C., Takagi H.: Annotation-based transcoding for nonvisual Web access. In: ASSETS’00, pp. 172–179. ACM Press, New York (2000)
3. Goble C.A., Harper S., Stevens R.D.: The travails of visually impaired Web travelers. In: ACM 2000 Hypertext (Proceedings of the Eleventh ACM Conference on Hypertext and Hypermedia), pp. 1–10. ACM Press, New York (2000)
4. Chisholm, W., Vanderheiden, G., Jacobs, I.: Web content accessibility guidelines 1.0. World Wide Web Consortium (W3C) (1999)
5. Coyne K.P., Nielsen J.: Beyond ALT Text Making the Web Easy to Use for Users with Disabilities. Nielson Norman Group, Fremont (2001)