@misc{indiciaeb7c02fb93bc1,
  title = {Preference for intermittent reinforcement.},
  author = {S B Kendall},
  year = {1974},
  doi = {10.1901/jeab.1974.21-463},
  url = {https://pubmed.ncbi.nlm.nih.gov/16811758/},
  note = {Source identifier: 16811758}
}