TY  - RPRT
TI  - Spatial summation for complex bar patterns.
AU  - J J Koenderink
AU  - A J van Doorn
PY  - 1980
DO  - 10.1016/0042-6989(80)90159-5
UR  - https://pubmed.ncbi.nlm.nih.gov/7434578/
ID  - 7434578
ER  -