TY  - RPRT
TI  - Do conditional reinforcers count?
AU  - Michael Davison
AU  - William M Baum
PY  - 2006
DO  - 10.1901/jeab.2006.56-05
UR  - https://pubmed.ncbi.nlm.nih.gov/17191753/
ID  - 17191753
ER  -