L. Ubelmesser, S. Klingert, and C. Becker. 2020 IEEE International Conference on Pervasive Computing and Communications Workshops (PerCom Workshops), IEEE, (March 2020)
D. Quan, O. Terzidis, and S. Klingert. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, Springer Berlin Heidelberg, (2010)