@misc{indiciae674813e4facd,
  title = {Self-reproducing systems: structure, niche relations and evolution.},
  author = {A A Sharov},
  year = {1991},
  doi = {10.1016/0303-2647(91)90022-d},
  url = {https://pubmed.ncbi.nlm.nih.gov/1742472/},
  note = {Source identifier: 1742472}
}