F. Klompmaker, V. Paelke, und H. Fischer. Distributed, Ambient, and Pervasive Interactions: Proc.\ of the First International Conference (DAPI 2013), Las Vegas, NV, USA, 8028, Springer, Heidelberg, (2013)
F. Kerber, und P. Lessel. Proceedings of DeLFI Workshops 2015, co-located with 13th e-Learning Conference of the German Computer Society (DeLFI-15), Munich, Germany, Volume 1443 von CEUR Workshop Proceedings, Seite 28--35. RWTH Aachen, Sun SITE Central Europe, (2015)