@misc{indiciae9d0cd8bad298,
  title = {Avoidance responding as a function of simultaneous and equal changes in two temporal parameters.},
  author = {T VERHAVE},
  year = {1959},
  doi = {10.1901/jeab.1959.2-185},
  url = {https://pubmed.ncbi.nlm.nih.gov/13841808/},
  note = {Source identifier: 13841808}
}