@misc{indiciae004cf4eccb1b,
  title = {Collision warning and avoidance considerations for the Space Shuttle and Space Station Freedom},
  author = {Vilas, Faith and Collins, Michael F. and Kramer, Paul C. and Arndt, G. Dickey and Suddath, Jerry H.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900044981},
  note = {Source identifier: 19900044981}
}