F. Muhs, Y. Klett, and P. Middendorf. 7th International Meeting on Origami in Science, Mathematics and Education (OSME), September 5-7, 2018, Oxford, UK, 4, page 1043--1058. (2018)
M. Heidingsfeld, P. Rapp, M. Böhm, and O. Sawodny. 2017 IEEE International Conference on Advanced Intelligent Mechatronics (AIM), July 3-7, 2017, Munich, page 904--909. (July 2017)
N. Walker, B. Fröhlich, and P. Eberhard. 9th Vienna International Conference on Mathematical Modelling (MATHMOD), February 21-23, 2018, Vienna, Austria,, (2018)
A. Ostertag, T. Toader, B. Bertsche, and W. Sobek. 2019 IEEE Annual Reliability and Maintainability Symposium (RAMS), January 28-31, 2019, Orlando, FL, (2019)