@misc{indiciae2d4cfc4ed9e9,
  title = {Hard landscape.},
  author = {J R Minkel},
  year = {2006},
  doi = {10.1038/scientificamerican0606-20b},
  url = {https://pubmed.ncbi.nlm.nih.gov/16711352/},
  note = {Source identifier: 16711352}
}