Hermann, F.; Blach, R.; Janssen, D.; Klein, T.; Schuller, A.; Spath, D.:
Challenges for user centered smart environments.
In: Jacko, J.A.: Human-computer interaction. 13th international conference, HCI international 2009. Pt.3: Ambient, ubiquitous and intelligent interaction: San Diego, CA, USA, July 19-24, 2009; Proceedings. Berlin: Springer, 2009. (Lecture Notes in Computer Science 5612), S.407-415