@misc{indiciaef30f16b56e9f,
  title = {Time-sharing visual and auditory tracking tasks},
  author = {Tsang, Pamela S. and Vidulich, Michael A.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19880048188},
  note = {Source identifier: 19880048188}
}