@misc{indiciaed4b8b52d4ceb,
  title = {Animal Evolution.},
  author = {A H Clark},
  year = {1922},
  doi = {10.1073/pnas.8.7.219},
  url = {https://pubmed.ncbi.nlm.nih.gov/16586880/},
  note = {Source identifier: 16586880}
}