TY  - RPRT
TI  - Spatial frequency discrimination at different orientations.
AU  - D W Heeley
AU  - B Timney
PY  - 1989
DO  - 10.1016/0042-6989(89)90068-0
UR  - https://pubmed.ncbi.nlm.nih.gov/2617868/
ID  - 2617868
ER  -