@misc{indiciaeddd4ca174235,
  title = {The evolution of lethal intergroup violence.},
  author = {Raymond C Kelly},
  year = {2005},
  doi = {10.1073/pnas.0505955102},
  url = {https://pubmed.ncbi.nlm.nih.gov/16129826/},
  note = {Source identifier: 16129826}
}