B. Weyers, W. Luther, N. Baloian, und J. Pino. Collaboration and Technology: 18th International Conference, CRIWG 2012, Raesfeld, Germany, Volume 7493 von Lecture Notes in Computer Science, Springer, Heidelberg, (2012)
S. Deterding, S. Björk, L. Nacke, D. Dixon, und E. Lawley. Proceedings of the SIGCHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA '13), Paris, France, Seite 3263--3266. New York, ACM, (2013)
S. Deterding, M. Sicart, L. Nacke, K. O'Hara, und D. Dixon. Proceedings of the SIGCHI Conference Extended Abstracts on Human Factors in Computing Systems (CHI EA '11), Vancouver, Canada, Seite 2425--2428. New York, ACM, (2011)