TY  - RPRT
TI  - Illusory figures: individual differences in apparent depth and lightness.
AU  - T E Parks
AU  - W Marks
PY  - 1985
DO  - 10.3758/bf03204917
UR  - https://pubmed.ncbi.nlm.nih.gov/4059009/
ID  - 4059009
ER  -