@misc{indiciaeb758ee29d243,
  title = {Conditioned reinforcement value and choice.},
  author = {R A Preston and E Fantino},
  year = {1991},
  doi = {10.1901/jeab.1991.55-155},
  url = {https://pubmed.ncbi.nlm.nih.gov/2037825/},
  note = {Source identifier: 2037825}
}