@misc{indiciaeda84fbc87514,
  title = {Evolution of cooperation between individuals.},
  author = {A Lotem and M A Fishman and L Stone},
  year = {1999},
  doi = {10.1038/22247},
  url = {https://pubmed.ncbi.nlm.nih.gov/10421362/},
  note = {Source identifier: 10421362}
}