@misc{indiciaef95788ec7afb,
  title = {A concept for a fuel efficient flight planning aid for general aviation},
  author = {Collins, B. P. and Haines, A. L. and Wales, C. J.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820011343},
  note = {Source identifier: 19820011343}
}