A. Voit, R. Rzayev, D. Weber, M. Müller, und N. Henze. Proceedings of the 7th ACM International Symposium on Pervasive Displays, Seite 10:1--10:5. New York, NY, USA, ACM, (2018)
L. Gao, J. Wu, Z. Qiao, C. Zhou, H. Yang, und Y. Hu. Proceedings of the 25th ACM International on Conference on Information and Knowledge Management, Seite 1941--1944. New York, NY, USA, ACM, (2016)