@misc{indiciae2a62c6a720aa,
  title = {Discrete-trials DRL.},
  author = {F A LOGAN},
  year = {1961},
  doi = {10.1901/jeab.1961.4-277},
  url = {https://pubmed.ncbi.nlm.nih.gov/13763163/},
  note = {Source identifier: 13763163}
}