TY  - RPRT
TI  - Visual 'normalization' near the vertical and horizontal.
AU  - W C H PRENTICE
AU  - D C BEARDSLEE
PY  - 1950
DO  - 10.1037/h0058231
UR  - https://pubmed.ncbi.nlm.nih.gov/15428593/
ID  - 15428593
ER  -