@misc{indiciae3cdaf57e06dd,
  title = {Procedural variation in behavioral avoidance tests.},
  author = {D A Bernstein and M T Nietzel},
  year = {1973},
  doi = {10.1037/h0035170},
  url = {https://pubmed.ncbi.nlm.nih.gov/4795864/},
  note = {Source identifier: 4795864}
}