@misc{indiciaed5a79487330a,
  title = {VORTAB - A data-tablet method of developing input data for the VORLAX program},
  author = {Denn, F. M.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790012616},
  note = {Source identifier: 19790012616}
}