A. Dollar and H. M. Herr. Active orthoses for the lower-limbs- Challenges and state of the art, Proceedings of the 2007 IEEE International Conference on Rehabilitation Robotics (ICORR), Noordwijk, Netherlands, pp. 968-977, Jun. 2007.
J. Blaya and H. M. Herr. Adaptive control of a variable-impedance ankle-foot orthosis to assist drop-foot gait, IEEE Transactions on Neural Systems & Rehabilitation Engineering. vol. 12, no. 1, pp. 24-31, 2004.
C. Walsh, D. Paluska, K. Pasch, W. Grand, A. Valiente, and H. M. Herr. Development of a lightweight, underactuated exoskeleton for load-carrying augmentation, Proceedings of the IEEE International Conference on Robotics and Automation, Orlando, FL, pp. 2939-2945, May 2006.
H. M. Herr, A. Wilkenfeld, and J. Blaya. Patient-adaptive prosthetic and orthotic leg systems, Proceedings of the 12th Nordic Baltic Conference on Biomedical Engineering and Medical Physics, Reykjavik, Iceland, pp. 123-128, Jun. 2002.
C. Walsh, K. Pasch, and H. M. Herr. An autonomous, underactuated exoskeleton for loadcarrying augmentation, IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), Beijing, China, Oct. 2006.
A. Dollar and H. M. Herr. Lower Extremity Exoskeletons and Active Orthoses: Challenges and State-of-the-Art, IEEE Transactions on Robotics, Special Issue on Biorobotics, vol. 24, no. 1, pp. 144-158, 2008.