@misc{indiciae4859d3fa877f,
  title = {The distinction between classical and instrumental.},
  author = {D O HEBB},
  year = {1956},
  doi = {10.1037/h0083677},
  url = {https://pubmed.ncbi.nlm.nih.gov/13356197/},
  note = {Source identifier: 13356197}
}