@misc{indiciaec321c26cb299,
  title = {Research and development for Onboard Navigation (ONAV) ground based expert/trainer system: Final user's guide},
  author = {Bochsler, Daniel C.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19910003402},
  note = {Source identifier: 19910003402}
}