TY  - RPRT
TI  - Discrimination of concentric-ring patterns by monkeys.
AU  - A J RIOPELLE
AU  - R A WUNDERLICH
AU  - E W FRANCISCO
PY  - 1958
DO  - 10.1037/h0046076
UR  - https://pubmed.ncbi.nlm.nih.gov/13587697/
ID  - 13587697
ER  -