@misc{indiciae6442538cc6ff,
  title = {Program documentation. Program description and user information for the hydraulics/auxiliary power unit (HYDRA) computer program},
  author = {Redwine, W. J.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790016501},
  note = {Source identifier: 19790016501}
}