TY  - RPRT
TI  - Improving visual performance through volitional focus control.
AU  - S N Roscoe
AU  - D H Couchman
PY  - 1987
DO  - 10.1177/001872088702900305
UR  - https://pubmed.ncbi.nlm.nih.gov/3623566/
ID  - 3623566
ER  -