TY  - RPRT
TI  - Behavior-dependent reinforcer-rate changes in concurrent schedules: A further analysis.
AU  - M Davison
AU  - B Alsop
PY  - 1991
DO  - 10.1901/jeab.1991.56-1
UR  - https://pubmed.ncbi.nlm.nih.gov/16812639/
ID  - 16812639
ER  -