@misc{indiciaea69bd6f3956f,
  title = {Immunization against learned helplessness in man.},
  author = {S L Jones and J R Nation and P Massad},
  year = {1977},
  doi = {10.1037//0021-843x.86.1.75},
  url = {https://pubmed.ncbi.nlm.nih.gov/838952/},
  note = {Source identifier: 838952}
}