TY  - RPRT
TI  - Conditioned reinforcement and discrimination performance.
AU  - A Stubbs
AU  - W D Galloway
PY  - 1970
DO  - 10.1901/jeab.1970.14-23
UR  - https://pubmed.ncbi.nlm.nih.gov/16811455/
ID  - 16811455
ER  -