@misc{indiciae05404c0ad331,
  title = {Response duration in operant level, regular reinforcement, and extinction.},
  author = {S MARGULIES},
  year = {1961},
  doi = {10.1901/jeab.1961.4-317},
  url = {https://pubmed.ncbi.nlm.nih.gov/14469791/},
  note = {Source identifier: 14469791}
}