TY  - RPRT
TI  - Visual contrast thresholds in practical problems.
AU  - M A BOUMAN
AU  - A LAZET
AU  - J J VOS
PY  - 1956
DO  - 10.1364/josa.46.001065
UR  - https://pubmed.ncbi.nlm.nih.gov/13377238/
ID  - 13377238
ER  -