TY  - RPRT
TI  - Reinforced variability and operant learning.
AU  - A Neuringer
AU  - C Deiss
AU  - G Olson
PY  - 2000
DO  - 10.1037//0097-7403.26.1.98
UR  - https://pubmed.ncbi.nlm.nih.gov/10650547/
ID  - 10650547
ER  -