@misc{indiciae03a459dbc34e,
  title = {Computer aided control of a mechanical arm},
  author = {Derocher, W. L., Jr. and Zermuehlen, r. O.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790066321},
  note = {Source identifier: 19790066321}
}