1. BGG (BEHINDERTENGLEICHSTELLUNGSGESETZ) (2002): German Act on Equal Opportunities for Persons with Disabilities (BGG) (2002) Gesetz zur Gleichstellung von Menschen mit Behinderungen [German Act on Equal Opportunities for Persons with Disabilities]. Last updated July 2016.
2. Billah, Syed Masum/Ashok, Vikas/Porter, Donald E./Ramakrishnan, I.V. (2017), “Ubiquitous Accessibility for People with Visual Impairments: Are We There Yet?” In: CHI 2017, May 6–11, 2017, Denver, CO, USA, 5862–5868.
3. Borlund, Pia (2016): “A study of the use of simulated work task situations in interactive information retrieval evaluations: A meta-evaluation”. In: Journal of Documentation, 72, 3, 394–413.
4. Buß, Anna (2009): Personas als Standardwerkzeuge des User Centered Design: Methode mit Tücken. I-com 2/2009, 58–60.
5. Carstens, Andreas (2015): “Grundlagen für eine barrierefreie IT in der Justiz”. In: Kerkmann, Friederike/Lewandowski, Dirk (eds.): Barrier-Free Information Systems. Accessibility for Persons with Disabilities, in Theory and Practice. Berlin/ Boston: De Gruyter Saur, 177–216.