K. Wolf, L. Lischke, C. Sas, and A. Schmidt. Proceeding of MUM '16 Proceedings of the 15th International Conference on Mobile and Ubiquitous Multimedia, (2016)
T. Kosch, R. Kettner, M. Funk, and A. Schmidt. Proceedings of the 18th international ACM SIGACCESS conference on Computers & accessibility, ACM, (2016)