1. Perry, J.C., Rosen, J., and Burns, S., “Upper-Limb Powered Exoskeleton Design”, Mechatron-ics, IEEE/ASME Transactions on, vol. 12, no. 4, pp. 408–417, Aug. 2007.
2. Kiguchi, K., Tanaka, T., Watanabe, K., and Fukuda, T., “Exoskeleton for Human Upper-Limb Motion Support”, Robotics and Automation, 2003, Proceedings. ICRA ‘03, IEEE International Conference on, vol. 2, pp. 2206–2211, 14–19 Sept. 2003.
3. Kazerooni, H., “Exoskeletons for Human Power Augmentation”, Proceedings of the IEEE/RSJ. International Conference on Intelligent Robots and Systems, pp. 3120–3125.
4. Kazuo K., Takakazu T., Keigo W., and Toshio F., “Exoskeleton for Human Upper-Limb Motion Support”, Proceedings of the 2003 IEEE International Conference on Robotics\& Automation Taipei, 2003.
5. Agrawal, S.K., Banala, S.K., Fattah, A., Sangwan, V., Krishnamoorthy, V., Scholz, J.P., and Hsu, W.L.,“Assessment of Motion of a Swing Leg and Gait Rehabilitation With a Gravity Balancing Exoskeleton”, IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2007.