TY  - RPRT
TI  - Problem solving in rats as a function of experience at different ages.
AU  - A J Nyman
PY  - 1967
DO  - 10.1080/00221325.1967.10533713
UR  - https://pubmed.ncbi.nlm.nih.gov/6030018/
ID  - 6030018
ER  -