Accessibility, Usability, Safety, Ergonomics: Concepts, Models, and Differences. - Klaus Peter Wegge; Dirk Zimmermann (HCI (5), 2007)

Conformity Assessment in the Public Procurement of Accessible ICT. - Stephan Corvers; Loïc Martínez Normand; Clas Thorén; Enrique Varela; Eric Velleman 001; Klaus Peter Wegge (HCI (5), 2009)