@misc{indiciae4d6f0d1754a0,
  title = {Establishing operations and reinforcement effects.},
  author = {T R Vollmer and B A Iwata},
  year = {1991},
  doi = {10.1901/jaba.1991.24-279},
  url = {https://pubmed.ncbi.nlm.nih.gov/1890048/},
  note = {Source identifier: 1890048}
}