@misc{indiciae9a198c1db069,
  title = {Conditioning response variability.},
  author = {W N Schoenfeld and A H Harris and J Farmer},
  year = {1966},
  doi = {10.2466/pr0.1966.19.2.551},
  url = {https://pubmed.ncbi.nlm.nih.gov/5912818/},
  note = {Source identifier: 5912818}
}