1. Web Accessibility Benchmarking Cluster: Unified Web Evaluation Methodology (UWEM 1.2) (2007),
http://www.wabcluster.org/uwem1_2/
2. World Wide Web Consortium: Web Content Accessibility Guidelines 1.0. W3C Recommendation May 5, 1999 (1999),
http://www.w3.org/TR/WCAG10/
3. European Commission: eEurope 2002: An information society for all (2002),
http://europa.eu.int/information_society/eeurope/2002/action_plan/pdf/actionplan_en.pdf
4. Cullen, K., Kubitschke, L., Meyer, I.: Assessment of the status of eAccessibility in Europe (2007),
http://ec.europa.eu/information_society/activities/einclusion/library/studies/meac_study/index_en.htm
5. European Commission: Communication COM, 425 - Communication from the Commission to the Council, the European Parliament, the Economic and Social Committee and the Committee of Regions (2005),
http://europa.eu.int/information_society/policy/accessibility/com_ea_2005/a_documents/cec_com_eacc_2005.html