@misc{indiciaec11c6e3ec810,
  title = {Rotationally actuated prosthetic helping hand},
  author = {Norton, William E. and Belcher, Jewell G., Jr. and Carden, James R. and West, Thomas W.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910023481},
  note = {Source identifier: 19910023481}
}