TY  - RPRT
TI  - Reinforcer efficacy in a delayed matching-to-sample task.
AU  - R Weavers
AU  - T M Foster
AU  - W Temple
PY  - 1998
DO  - 10.1901/jeab.1998.69-77
UR  - https://pubmed.ncbi.nlm.nih.gov/9465414/
ID  - 9465414
ER  -