@misc{indiciae5f9a2f22a6b3,
  title = {Rotational joint assembly for the prosthetic leg},
  author = {Owens, L. J. and Jones, W. C.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19770023805},
  note = {Source identifier: 19770023805}
}