@misc{indiciae3a2b3b7883f9,
  title = {Digital-Difference Processing For Collision Avoidance.},
  author = {Shores, Paul and Lichtenberg, Chris and Kobayashi, Herbert S. and Cunningham, Allen R.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880000161},
  note = {Source identifier: 19880000161}
}