TY  - RPRT
TI  - Simultaneous generalization gradients for appetitive and aversive behavior.
AU  - E HEARST
PY  - 1960
DO  - 10.1126/science.132.3441.1769
UR  - https://pubmed.ncbi.nlm.nih.gov/13712603/
ID  - 13712603
ER  -