@misc{indiciae1e07e71e40f9,
  title = {The Final Approach Spacing Tool},
  author = {Davis, Thomas J. and Bergh, Christopher and Krzeczowski, Ken J. and Schlickenmaier, H. W.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/20010048880},
  note = {Source identifier: 20010048880}
}