@misc{indiciaec94b5d8d2279,
  title = {A method for star vector determination from alignment optical telescope sighting},
  author = {Crigler, S. W. and Blucker, T. J.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720005939},
  note = {Source identifier: 19720005939}
}