@misc{indiciae288a6a2c14ad,
  title = {APERIODICITY AS A FACTOR IN CHOICE.},
  author = {R J HERRNSTEIN},
  year = {1964},
  doi = {10.1901/jeab.1964.7-179},
  url = {https://pubmed.ncbi.nlm.nih.gov/14130099/},
  note = {Source identifier: 14130099}
}