TY  - RPRT
TI  - Visual persistence as a function of spatial frequency and age.
AU  - W Lovegrove
AU  - M Heddle
PY  - 1980
DO  - 10.1068/p090529
UR  - https://pubmed.ncbi.nlm.nih.gov/7443390/
ID  - 7443390
ER  -