@misc{indiciaefd2e9df99c45,
  title = {Quantitative hedonism.},
  author = {R J Herrnstein},
  year = {1971},
  doi = {10.1016/0022-3956(71)90033-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4939381/},
  note = {Source identifier: 4939381}
}