1. Brajnik, G.: Accessibility assessments through heuristic walkthroughs. In: HCI taly 2005 — Simposio su Human–Computer Interaction, Rome, Italy (September 2005),
www.dimi.uniud.it/giorgio/publications.html#hcihw05
2. Brajnik, G.: Web accessibility testing with barriers walkthrough (March 2006a) (Visited March 2006)
http://www.dimi.uniud.it/giorgio/projects/bw
3. Brajnik, G.: Simulazione euristica per la verifica dell’accessibilità (February 2006b) (Visited March 2006)
http://www.dimi.uniud.it/wq/metodo-barriere.html
4. DRC. Formal investigation report: web accessibility. Disability Rights Commission (April 2004) (Visited January 2006)
www.drc-gb.org/publicationsandreports/report.asp
5. European Committee for Standardization. In: Web accessibility certification workshop (March 2006),
http://www.cenorm.be/cenorm/businessdomains/businessdomains/isss/about_isss/draft_cwas.asp