@misc{indiciaed31131d104a6,
  title = {A piloted simulation study of data link ATC message exchange},
  author = {Waller, Marvin C. and Lohr, Gary W.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890006529},
  note = {Source identifier: 19890006529}
}