TY  - RPRT
TI  - Frustration, training, and task complexity in rats.
AU  - W N Boyer
AU  - J D Hannig
PY  - 1980
DO  - 10.1080/00221309.1980.9920981
UR  - https://pubmed.ncbi.nlm.nih.gov/7381439/
ID  - 7381439
ER  -