@misc{indiciae72dcc845c625,
  title = {Research and development for Onboard Navigation (ONAV) ground based expert/trainer system: Preliminary user's guide},
  author = {Bochsler, Daniel C.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19910003406},
  note = {Source identifier: 19910003406}
}