TY  - RPRT
TI  - Grating contrast as a function of visual angle and fixation.
AU  - W R Mackavey
PY  - 1967
DO  - 10.1364/josa.57.000277
UR  - https://pubmed.ncbi.nlm.nih.gov/6034534/
ID  - 6034534
ER  -