Control mechanism performance criteria for an above-knee leg prosthesis.

@article{Wallach1970ControlMP,
  title={Control mechanism performance criteria for an above-knee leg prosthesis.},
  author={J. Wallach and E. A. Saibel},
  journal={Journal of biomechanics},
  year={1970},
  volume={3 1},
  pages={87-97}
}