TY  - RPRT
TI  - DISCRIMINATED TIME-OUT AVOIDANCE IN PIGEONS.
AU  - J R THOMAS
PY  - 1965
DO  - 10.1901/jeab.1965.8-329
UR  - https://pubmed.ncbi.nlm.nih.gov/14342373/
ID  - 14342373
ER  -