@misc{indiciae560ef88515cb,
  title = {Ink analysis raises storm over Viking map.},
  author = {John Whitfield and Rex Dalton},
  year = {2002},
  doi = {10.1038/418574a},
  url = {https://pubmed.ncbi.nlm.nih.gov/12167823/},
  note = {Source identifier: 12167823}
}