@misc{indiciae7f51b7af6c6e,
  title = {Visual scanning behavior and pilot workload},
  author = {Harris, R. L., Sr. and Tole, J. R. and Stephens, A. T. and Ephrath, A. R.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19830011203},
  note = {Source identifier: 19830011203}
}