F. Alt, A. Sahami, A. Schmidt, and R. Atterer. Proceedings of the Fourteenth ACM SIGCHI's International Conference on Human-Computer Interaction with Mobile Devices and Services', ACM, (2012)
F. Alt, B. Pfleging, and A. Schmidt. Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services companion, ACM, (2012)