@misc{indiciae451f55897d10,
  title = {Finite element analysis of a composite artificial ankle},
  author = {Perkins, Leigh Ann and Johnston, Lawrence and Denniston, Charles and Czekalski, Blaise E.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930013000},
  note = {Source identifier: 19930013000}
}