TY  - RPRT
TI  - Threshold visibility of frequency gradient patterns.
AU  - H R Wilson
AU  - S C Giese
PY  - 1977
DO  - 10.1016/0042-6989(77)90152-3
UR  - https://pubmed.ncbi.nlm.nih.gov/595381/
ID  - 595381
ER  -