@misc{indiciae8e5670990594,
  title = {Rep-tiling the plane.},
  author = {I Stewart},
  year = {2000},
  doi = {10.1038/scientificamerican0500-110},
  url = {https://pubmed.ncbi.nlm.nih.gov/11056996/},
  note = {Source identifier: 11056996}
}