1. W3C, Web Content Accessibility Guidelines 1.0 (1999) (accessed April 16, 2008)
http://www.w3.org/TR/WAI-WEBCONTENT/
2. http://www.w3.org/Math/
(Accessed April 16, 2008)
3. Adaptive Technology Resource Centre,
http://atrc.utoronto.ca/index_R.html
4. Kowaliw, T.: Accessible Mathematics on the Web: Towards an Audio Representation of MathML. In: Proc. Technology and Persons with Disabilities Conference, C-SUN, Northridge, California (2001)
5. Gupta, G., et al.: Building the Tower of Babel: Converting XML to VoiceXML for Accessibility. In: Proc. Seventh International Conference on Computers Helping People with Special Needs (ICCHP 2000), pp. 267–272. OCG Press, Austria (2000)