L. Müller, M. Budde, N. Weibel, E. Spencer, M. Beigl, und D. Norman. Proceedings of the 2017 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2017 ACM International Symposium on Wearable Computers, Seite 988--991. New York, NY, USA, ACM, (2017)Workshop.