@article{artificiallifesustainableselfreplicating,
  title = {Artificial life: sustainable self-replicating systems},
  author = {Carlos Gershenson and Jitka Cejkova},
  year = {2021},
  eprint = {2105.13971},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2105.13971v2},
}