@misc{indiciae9512b5b040a2,
  title = {Secondary reinforcement and avoidance conditioning.},
  author = {J V MURPHY and R E MILLER and E BROWN},
  year = {1958},
  doi = {10.1080/00221309.1958.9710188},
  url = {https://pubmed.ncbi.nlm.nih.gov/13587930/},
  note = {Source identifier: 13587930}
}