TY  - RPRT
TI  - Border-contrast: corner brightening effects.
AU  - W H Payne
AU  - D E Anderson
PY  - 1969
DO  - 10.1016/0042-6989(69)90119-9
UR  - https://pubmed.ncbi.nlm.nih.gov/5360611/
ID  - 5360611
ER  -