Engineering Interactive Systems EIS 2007 Joint Working Conferences, EHCI 2007, DSV-IS 2007, HCSE 2007, Salamanca, Spain, March 22-24, 2007. Selected Papers - Gulliksen, Jan; Harning, Morton Borup; Palanque, Philippe; Veer, Gerrit C. van der; Wesson, Janet (Springer Berlin Heidelberg : Imprint: Springer, 2008)