@misc{indiciaeb850014c3fc2,
  title = {Do conditional reinforcers count?},
  author = {Michael Davison and William M Baum},
  year = {2006},
  doi = {10.1901/jeab.2006.56-05},
  url = {https://pubmed.ncbi.nlm.nih.gov/17191753/},
  note = {Source identifier: 17191753}
}