TY  - RPRT
TI  - Lighting needs for older eyes.
AU  - C L Crouch
PY  - 1967
DO  - 10.1111/j.1532-5415.1967.tb02302.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6027641/
ID  - 6027641
ER  -