@misc{indiciaed0cfd9971e8e,
  title = {The timeout ribbon: a nonexclusionary timeout procedure.},
  author = {R M Foxx and S T Shapiro},
  year = {1978},
  doi = {10.1901/jaba.1978.11-125},
  url = {https://pubmed.ncbi.nlm.nih.gov/649521/},
  note = {Source identifier: 649521}
}