@misc{indiciae5c6d306bbd5a,
  title = {Discrimination learning with vertical vs. horizontal stimulus relationships.},
  author = {R E MILLER and J V MURPHY},
  year = {1956},
  doi = {10.1037/h0045595},
  url = {https://pubmed.ncbi.nlm.nih.gov/13295413/},
  note = {Source identifier: 13295413}
}