TY  - RPRT
TI  - Modeling spatial integration and contrast invariance in visual pattern discrimination.
AU  - R E Näsänen
AU  - H T Kukkonen
AU  - J M Rovamo
PY  - 1997
UR  - https://pubmed.ncbi.nlm.nih.gov/9008651/
ID  - 9008651
ER  -