@misc{indiciae33707b8bd4e1,
  title = {Emotionality, conditioned helplessness, and escape conditioning.},
  author = {S W Shafer and M W Stephens},
  year = {1974},
  doi = {10.2466/pr0.1974.35.3.1051},
  url = {https://pubmed.ncbi.nlm.nih.gov/4445418/},
  note = {Source identifier: 4445418}
}