1. Liang, C., Ceccarelli M., Takeda Y.: Operation analysis of a one-DOF pantograph leg mechanisms. In: Proceedings of the RAAD 2008. 17th International Workshop on Robotics in Alpe-Adria-Danube Region 15–17 September 2008, pp. 1–10 (2008)
2. Li, T., Ceccarelli, M.: An experimental characterization of a rickshaw prototype. Int. J. Mech. Control 12(2), 29–48 (2012)
3. Tavolieri, C., Ottaviano, E., Ceccarelli, M.: Analysis and design of a 1-DOF leg for walking machines. In: Proceedings of RAAD 2006, 15th International Workshop on Robotics in Alpe-Adria-Danube Region, Balantonfured, CD Proceedings (2006)
4. Lerner Z., Damiano D., Bulea T.: A lower-extremity exoskeleton improves knee extension in children with crouch gait from cerebral palsy. Sci. Transl. Med. 23(9)-(404), 1–10 (2017)
5. Shepherd, M., Rouse, E.: Design and validation of a Torque-Controllable knee exoskeleton for sit-to-stand assistance. IEEE/ASME Trans. Mechatron. 22(4), 1695–1704 (2017)