@misc{indiciae24180e20a9ae,
  title = {A general algorithm for relating ground trajectory distance, elapsed flight time, and aircraft airspeed and its application to 4-D guidance},
  author = {Foudriat, E. C.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750007555},
  note = {Source identifier: 19750007555}
}