TY  - RPRT
TI  - Spatial frequency doubling: retinal or central?
AU  - W Richards
AU  - T B Felton
PY  - 1973
DO  - 10.1016/0042-6989(73)90190-9
UR  - https://pubmed.ncbi.nlm.nih.gov/4763526/
ID  - 4763526
ER  -