F. Wyffels presented a conference paper. F. wyffels, M. D'Haene, T. Wae-geman, K. Calu-waerts, C. Nunes, B. Schrauwen. Re-alization of a passive compliant ro-bot dog2010, Proc. of the 3rd IEEE RAS&EMBS Int. Conf. on Biomedical Robotics and Biomechanics, pp 882-886.