F. Kayali, C. Bartmann, O. Hödl, R. Mateus-Berr, M. Pichlmair:
"Technology-Mediated Audience Participation (TMAP) using Smartphones and High-Frequency Sound IDs";
in: "Proceedings of the INTETAIN 2016 8th International Conference on Intelligent Technologies for Interactive Entertainment,", EAI, 2016.