Gonçalves, R. S., J. C. M. Carvalho, and F. S. Lobato. “Design of a Robotic Device Actuated by Cables for Human Lower Limb Rehabilitation Using Self-Adaptive Differential Evolution and Robust Optimization”. Bioscience Journal, vol. 32, no. 6, Dec. 2016, pp. 1689-02, doi:10.14393/BJ-v32n1a2016-32436.