D. Hofmann, M. Kopp, and B. Bertsche. IEEE/ASME International Conference on Advanced Intelligent Mechatronics, (AIM 2010), page 1263-1268. IEEE / Institute of Electrical and Electronics Engineers Incorporated, (2010)175.
M. Botzler, B. Bertsche, and M. Kokes. Entwicklung und Betrieb zuverlässiger Produkte, TTZ, Tagung Technische Zuverlässigkeit, volume 2210 of VDI-Berichte, page 205-212. (2013)201.
F. Long, P. Zeiler, and B. Bertsche. Proc. 8th IFAC Conference on Manufacturing Modelling, Management and Control MIM 2016, volume 49 of IFAC-PapersOnLine, page 145-150. (2016)256.