TY  - RPRT
TI  - Calculating photopic illuminance.
AU  - W S Baron
AU  - J M Enoch
PY  - 1982
DO  - 10.1097/00006324-198204000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/7102791/
ID  - 7102791
ER  -