@misc{indiciaefc4342980577,
  title = {BACKWARD LEARNING WHEN THE SAME ITEMS SERVE AS STIMULI AND RESPONSES.},
  author = {R K YOUNG and P C JENNINGS},
  year = {1964},
  doi = {10.1037/h0043104},
  url = {https://pubmed.ncbi.nlm.nih.gov/14177683/},
  note = {Source identifier: 14177683}
}