@misc{indiciaebaa203d10a6d,
  title = {Reinforcing staying and switching while using a changeover delay.},
  author = {James S MacDonall},
  year = {2003},
  doi = {10.1901/jeab.2003.79-219},
  url = {https://pubmed.ncbi.nlm.nih.gov/12822688/},
  note = {Source identifier: 12822688}
}