J. Pau, H. Saini, S. Xie, A. Pullan, and G. Mallinson. 2010 3rd IEEE RAS & EMBS International Conference on Biomedical Robotics and Biomechatronics, page 156--161. IEEE, (2010)
C. Bleiler, P. Ponte Castañeda, and O. Röhrle. Contributions to the Foundations of Multidisciplinary Research in Mechanics, 3, page 1921-1922. IUTAM, (2017)