Y. Yesilada, S. Harper, and S. Eraslan. Proceedings of the 10th International Cross-Disciplinary Conference on Web Accessibility, page 30:1--30:4. New York, NY, USA, ACM, (2013)
S. Harper, and N. Patel. Assets '05: Proceedings of the 7th international ACM SIGACCESS conference on Computers and accessibility, page 90--97. New York, NY, USA, ACM Press, (October 2005)
S. Harper, Y. Yesilada, C. Goble, and R. Stevens. Proceedings of the Fifteenth ACM Conference on Hypertext and Hypermedia, page 116--125. ACM Press, (August 2004)
S. Harper, C. Goble, R. Stevens, and Y. Yesilada. Proceedings of the ACM SIGACCESS Conference on Computers and Accessibility, page 63--70. ACM Press, (October 2004)