P. Rapp, M. Heidingsfeld, M. Böhm, O. Sawodny, and C. Tarín. 2017 IEEE International Conference on Advanced Intelligent Mechatronics (AIM), July 3-7, 2017, Munich, page 921--928. (2017)B02, A06, B04, ISYS.
E. Westk�mper. CIRP Annals Manufacturing Technology : Annals of the International Academy for Production Engineering = Annales du Coll�ge International pour la Recherche en Productique = Berichte der Internationalen Akademie f�r Produktionstechnik, 56 (1):
419-422(2007)