@misc{indiciae4ea8b66fdcfb,
  title = {Minimum-fuel, three-dimensional flight paths for jet transports},
  author = {Neuman, F. and Kreindler, E.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19850064190},
  note = {Source identifier: 19850064190}
}