B. Weyers, W. Luther, N. Baloian, and J. Pino. Collaboration and Technology: 18th International Conference, CRIWG 2012, Raesfeld, Germany, volume 7493 of Lecture Notes in Computer Science, Springer, Heidelberg, (2012)
P. Lessel, M. Müller, and A. Krüger. Proceedings of the 33rd Annual ACM Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA '15), Seoul, Republic of Korea, page 1809--1814. New York, ACM, (2015)
S. Deterding, S. Björk, L. Nacke, D. Dixon, and E. Lawley. Proceedings of the SIGCHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA '13), Paris, France, page 3263--3266. New York, ACM, (2013)
S. Deterding, M. Sicart, L. Nacke, K. O'Hara, and D. Dixon. Proceedings of the SIGCHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA '11), Vancouver, Canada, page 2425--2428. New York, ACM, (2011)
P. Joubert, and S. Roodt. Entertainment Computing -- ICEC 2009: 8th International Conference, Paris, France, volume 5709 of Lecture Notes in Computer Science, Springer, Berlin, (2009)
S. Castronovo, A. Mahr, and C. Müller. Human Interface and the Management of Information: Information and Interaction for Health, Safety, Mobility and Complex Environments, 15th International Conference, HCI International 2013, Las Vegas, NV, USA, Proceedings, Part II, 8017, Springer, Heidelberg, (2013)
F. Klompmaker, V. Paelke, and H. Fischer. Distributed, Ambient, and Pervasive Interactions: Proc.\ of the First International Conference (DAPI 2013), Las Vegas, NV, USA, 8028, Springer, Heidelberg, (2013)