TY  - RPRT
TI  - Resolution and contrast sensitivity at low luminances.
AU  - A van Meeteren
AU  - J J Vos
PY  - 1972
DO  - 10.1016/0042-6989(72)90008-9
UR  - https://pubmed.ncbi.nlm.nih.gov/5037705/
ID  - 5037705
ER  -