@misc{indiciaea2fd3efa2d99,
  title = {The matching law.},
  author = {P Killeen},
  year = {1972},
  doi = {10.1901/jeab.1972.17-489},
  url = {https://pubmed.ncbi.nlm.nih.gov/16811604/},
  note = {Source identifier: 16811604}
}