TY  - RPRT
TI  - Contrast variability lightens subjective figures.
AU  - W Hershberger
AU  - S Stallard
PY  - 1984
DO  - 10.3758/bf03206358
UR  - https://pubmed.ncbi.nlm.nih.gov/6493969/
ID  - 6493969
ER  -