TY  - RPRT
TI  - Conditioned reinforcement dynamics in three-link chained schedules.
AU  - B A Williams
PY  - 1997
DO  - 10.1901/jeab.1997.67-145
UR  - https://pubmed.ncbi.nlm.nih.gov/9037785/
ID  - 9037785
ER  -