@misc{indiciaec3fe9fcc1e7c,
  title = {A Trajectory Algorithm to Support En Route and Terminal Area Self-Spacing Concepts: Third Revision},
  author = {Abbott, Terence S.},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20140011504},
  note = {Source identifier: 20140011504}
}