@misc{indiciae5c2c41356439,
  title = {Letter: Urge licensing changes.},
  author = {J S Zaller},
  year = {1974},
  doi = {10.14219/jada.archive.1974.0029},
  url = {https://pubmed.ncbi.nlm.nih.gov/4520304/},
  note = {Source identifier: 4520304}
}