TY  - RPRT
TI  - Learning and fluctuating behaviour. Experiments with goldfish.
AU  - E G Eijkman
PY  - 1970
DO  - 10.1016/s0022-5193(70)80016-9
UR  - https://pubmed.ncbi.nlm.nih.gov/5434346/
ID  - 5434346
ER  -