@misc{indiciae24637e8fb5f4,
  title = {Orders for Which There Exist Exactly Four or Five Groups.},
  author = {G A Miller},
  year = {1932},
  doi = {10.1073/pnas.18.7.511},
  url = {https://pubmed.ncbi.nlm.nih.gov/16577460/},
  note = {Source identifier: 16577460}
}