@misc{indiciae2054c1d00795,
  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/19910034712},
  note = {Source identifier: 19910034712}
}