@misc{indiciaeb50e522c72f0,
  title = {Feasibility of using a knowledge-based system concept for in-flight primary flight display research},
  author = {Ricks, Wendell R.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920000799},
  note = {Source identifier: 19920000799}
}