@misc{indiciae8c6127f7fcdb,
  title = {Avoidance responding as a function of stimulus duration and relation to free shock.},
  author = {E Shimoff},
  year = {1972},
  doi = {10.1901/jeab.1972.17-451},
  url = {https://pubmed.ncbi.nlm.nih.gov/4624512/},
  note = {Source identifier: 4624512}
}