TY  - RPRT
TI  - Subject differences in luminosity using absolute threshold and CFF techniques.
AU  - W E COLLINS
PY  - 1962
DO  - 10.1080/00221309.1962.9920495
UR  - https://pubmed.ncbi.nlm.nih.gov/13880620/
ID  - 13880620
ER  -