TY  - RPRT
TI  - Undermatching on concurrent variable-interval schedules and the power law.
AU  - J H Wearden
PY  - 1980
DO  - 10.1901/jeab.1980.33-149
UR  - https://pubmed.ncbi.nlm.nih.gov/7365402/
ID  - 7365402
ER  -