@misc{indiciae1b64e51ab76d,
  title = {Improving visual performance through volitional focus control.},
  author = {S N Roscoe and D H Couchman},
  year = {1987},
  doi = {10.1177/001872088702900305},
  url = {https://pubmed.ncbi.nlm.nih.gov/3623566/},
  note = {Source identifier: 3623566}
}