Designing User-Friendly Interfaces for Pervasive Gaming Applications
C. Röcker, C. Magerkurth, S. Hinske, M. Lampe, in: A Reader for Pervasive Gaming Research / Vol. 2. Pervasive Gaming Applications, Shaker, Aachen, 2007.

User Interfaces for Pervasive Games: Experiences of a Formative Multi-Method Evaluation and its Implications for System Development
C. Röcker, C. Magerkurth, M. Haar, in: C. Stephanidis, M. Pieper (Eds.), Universal Access in Ambient Intelligence Environmentsf: 9th ERCIM Workshop on User Interfaces for All, Springer, Berlin, 2006, pp. 352–368.