@misc{indiciae2aa0e133811a,
  title = {Differences in human pigmentation: measurement, geographic variation, and causes.},
  author = {G A Harrison},
  year = {1973},
  doi = {10.1111/1523-1747.ep12702616},
  url = {https://pubmed.ncbi.nlm.nih.gov/4575896/},
  note = {Source identifier: 4575896}
}