@misc{indiciae6d84ced29791,
  title = {Sextant sighting performance in the Ames midcourse navigation and guidance simulator},
  author = {Lampkin, B. A. and Randle, R. J.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680025060},
  note = {Source identifier: 19680025060}
}