N. Henze, E. Rukzio, and S. Boll. Proceedings of the International Conference on Human-Computer Interaction with Mobile Devices and Services (MobileHCI), (2011)
K. Kunze, T. Dingler, N. Henze, K. Kise, and Y. Sato. Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers, (2015)