TY  - RPRT
TI  - Concurrent generalization gradients for food-controlled and shock-controlled behavior.
AU  - E HEARST
PY  - 1962
DO  - 10.1901/jeab.1962.5-19
UR  - https://pubmed.ncbi.nlm.nih.gov/13905772/
ID  - 13905772
ER  -