TY  - RPRT
TI  - Colour changes as a function of luminance contrast.
AU  - A Valberg
AU  - B Lange-Malecki
AU  - T Seim
PY  - 1991
DO  - 10.1068/p200655
UR  - https://pubmed.ncbi.nlm.nih.gov/1806907/
ID  - 1806907
ER  -