@misc{indiciaec2ff68025272,
  title = {Individual differences in learning as a function of shock level.},
  author = {R KAPLAN and S KAPLAN and E L WALKER},
  year = {1960},
  doi = {10.1037/h0044325},
  url = {https://pubmed.ncbi.nlm.nih.gov/13751320/},
  note = {Source identifier: 13751320}
}