@misc{indiciae0101d091884c,
  title = {Basic and applied research on choice responding.},
  author = {W W Fisher and J E Mazur},
  year = {1997},
  doi = {10.1901/jaba.1997.30-387},
  url = {https://pubmed.ncbi.nlm.nih.gov/9316255/},
  note = {Source identifier: 9316255}
}