KAZEROONI, H. Extender : A Case Study for Human-Robot Interaction via Transfer of Power and Information Signals. Proc. IEEE Int. Workshop on Robot and Human Communication, 1993. 1993, 10-20
KAZEROONI, H. Hybrid Control of the Berkeley Lower Extremity Exoskeleton (BLEEX). The International Journal of Robotics Research. 2006, 25, 5, 561-573
PONS, J. L. Wearable Robots : Biomechatronic Exoskeletons. 2008, chapter 1