@misc{indiciaef8006d878572,
  title = {Negative reinforcement without shock reduction.},
  author = {P N Hineline},
  year = {1970},
  doi = {10.1901/jeab.1970.14-259},
  url = {https://pubmed.ncbi.nlm.nih.gov/16811473/},
  note = {Source identifier: 16811473}
}