TY  - RPRT
TI  - Proximity factor in color-difference evaluations.
AU  - L T Sharpe
AU  - G Wyszecki
PY  - 1976
DO  - 10.1364/josa.66.000040
UR  - https://pubmed.ncbi.nlm.nih.gov/1245895/
ID  - 1245895
ER  -