T. Herrmann, A. Laukemann, H. Binz, and D. Roth. World Academy of Science, Engineering and Technology: International Research Conference Proceedings, Part XI, page S. 1351-1366. (2019)
T. Herrmann, D. Roth, and H. Binz. Conference Proceedings IEEE International Conference on Engineering, Technology and Innovation (ICE/ITMC), page 744--752. (2018)