@misc{indiciae350d55642afa,
  title = {Manipulation based on sensor-directed control: An integrated end effector and touch sensing system},
  author = {Hill, J. W. and Sword, A. J.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19750022726},
  note = {Source identifier: 19750022726}
}