Open-loop control of the freely-swinging paralyzed leg. - Donald R. McNeal; Richard J. Nakai; Paul M. Meadows; William Tu (IEEE Trans. Biomed. Eng., 1989)

Feedback regulation of hand grasp opening and contact force during stimulation of paralyzed muscle. - Patrick E. Crago; Richard J. Nakai; Howard Jay Chizeck (IEEE Trans. Biomed. Eng., 1991)