P. Vorst, and A. Zell. European Robotics Symposium 2008, volume 44/2008 of Springer Tracts in Advanced Robotics, page 273-282. Springer Berlin / Heidelberg, (February 2008)
S. Schneegans, P. Vorst, and A. Zell. Proceedings of the 3rd European Conference on Mobile Robots (ECMR 2007), page 241-246. Freiburg, Germany, (September 2007)
P. Vorst, and A. Zell. ISR/ROBOTIK 2010 (Proceedings of the joint conference of ISR 2010 (41st International Symposium on Robotics) and ROBOTIK 2010 (6th German Conference on Robotics)), page 354--361. VDE Verlag, (June 2010)
E. Maalouf, M. Saad, H. Saliah-Hassane, and F. Mnif. International Journal on Modelling, Identification and Control vol. 1, no.1, 2006, pp. 52-62, 1 (1):
52-62(2006)
P. Vorst, and A. Zell. Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2009), page 395--401. St. Louis, Missouri, USA, (October 2009)