@misc{indiciae8052ab6b3425,
  title = {Research and development for Onboard Navigation (ONAV) ground based expert/trainer system: ONAV entry knowledge requirements specification update},
  author = {Bochsler, Daniel C.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19910007793},
  note = {Source identifier: 19910007793}
}