@misc{indiciaef4f9b5f40bbb,
  title = {Classical avoidance without a warning stimulus.},
  author = {M SIDMAN},
  year = {1962},
  doi = {10.1901/jeab.1962.5-97},
  url = {https://pubmed.ncbi.nlm.nih.gov/13912550/},
  note = {Source identifier: 13912550}
}