WASET
    Brahmi Brahim and  Mohammad Habibur Rahman and  Maarouf Saad and  Cristóbal Ochoa Luna,  Iterative Estimator-Based Nonlinear Backstepping Control of a Robotic Exoskeleton.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2016, vol. 116(8). 1375 - 1381
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10004974.