F. Bender, M. Sonntag, and O. Sawodny. IEEE International Conference on Automation, Robotics and Applications (ICARA), page 557--562. Queenstown, New Zealand, (2015)
C. Sagert, M. Walter, S. Fandel, and O. Sawodny. IFAC Workshop on Engine and Powertrain Control, Simulation and Modeling, page 230--236. Columbus, USA, (2015)