TY  - RPRT
TI  - Background configuration and rod threshold.
AU  - P Lennie
AU  - D I MacLeod
PY  - 1973
DO  - 10.1113/jphysiol.1973.sp010302
UR  - https://pubmed.ncbi.nlm.nih.gov/4759096/
ID  - 4759096
ER  -