@misc{indiciae19a26b5f1f59,
  title = {Self-replicating machines in continuous space with virtual physics.},
  author = {Arnold Smith and Peter Turney and Robert Ewaschuk},
  year = {2003},
  doi = {10.1162/106454603321489509},
  url = {https://pubmed.ncbi.nlm.nih.gov/12725680/},
  note = {Source identifier: 12725680}
}