@misc{indiciae1a36c4a6e9e0,
  title = {Visual scanning with or without spatial uncertainty and time-sharing performance},
  author = {Liu, Yili and Wickens, Christopher D.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900044287},
  note = {Source identifier: 19900044287}
}