@misc{indiciae749ad19c4f22,
  title = {Trajectory description},
  author = {Farless, D. L. and Dicken, L. H. and Diehl, R. E.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800012914},
  note = {Source identifier: 19800012914}
}