@misc{indiciaebc178d5e7641,
  title = {Avoidance responding in pigeons.},
  author = {E M Macphail},
  year = {1968},
  doi = {10.1901/jeab.1968.11-629},
  url = {https://pubmed.ncbi.nlm.nih.gov/5722428/},
  note = {Source identifier: 5722428}
}