TY  - RPRT
TI  - Flicker fusion measurements using a modified perimeter stand.
AU  - T Farrimond
PY  - 1969
DO  - 10.2466/pms.1969.29.3.881
UR  - https://pubmed.ncbi.nlm.nih.gov/5365096/
ID  - 5365096
ER  -