TY  - RPRT
TI  - Choice based on exclusion in pigeons.
AU  - Tricia S Clement
AU  - Thomas R Zentall
PY  - 2003
DO  - 10.3758/bf03196558
UR  - https://pubmed.ncbi.nlm.nih.gov/15000545/
ID  - 15000545
ER  -