@misc{indiciae285dc0d7e3cd,
  title = {Variables and functions.},
  author = {A S LUCHINS and E H LUCHINS},
  year = {1954},
  doi = {10.1037/h0056895},
  url = {https://pubmed.ncbi.nlm.nih.gov/13204494/},
  note = {Source identifier: 13204494}
}