T. Rupp, N. Karajan, W. Ehlers, and S. Schmitt. Proceedings of the XXIIIrd Congress of the International Society of Biomechanics, Brussels, Belgium, (2011)
D. Haeufle, M. Taylor, S. Schmitt, and H. Geyer. 2012 4th IEEE RAS EMBS International Conference on Biomedical Robotics and Biomechatronics (BioRob), page 1614-1619. (June 2012)
N. Emamy, P. Litty, T. Klotz, M. Mehl, and O. Röhrle. IUTAM Symposium on Model Order Reduction of Coupled Systems, Stuttgart, Germany, May 22--25, 2018, page 177--190. Springer, Cham, (2020)
O. Röhrle, J. Davidson, J. Kim, and A. Pullan. PAMM: Proceedings in Applied Mathematics and Mechanics, 7, page 4020013--4020014. WILEY-VCH Verlag Berlin, (2007)