@misc{indiciaebe6abaf5e636,
  title = {Apollo Flightcrew Training in Lunar Landing Simulators},
  author = {Armstrong, N. A. and Nassiff, S. H.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680042704},
  note = {Source identifier: 19680042704}
}