@misc{indiciae4e4e0578aafd,
  title = {Population density and group size.},
  author = {J Tucker and S T Friedman},
  year = {1972},
  doi = {10.1086/225199},
  url = {https://pubmed.ncbi.nlm.nih.gov/5066663/},
  note = {Source identifier: 5066663}
}