@misc{indiciae62a555ceeb81,
  title = {Operants.},
  author = {K Schick},
  year = {1971},
  doi = {10.1901/jeab.1971.15-413},
  url = {https://pubmed.ncbi.nlm.nih.gov/16811526/},
  note = {Source identifier: 16811526}
}