@misc{indiciaee8111a28f2ce,
  title = {Fixed-range optimum trajectories for short-haul aircraft},
  author = {Erzberger, H. and Mclean, J. D. and Barman, J. F.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19760005964},
  note = {Source identifier: 19760005964}
}