@misc{indiciae11d1cac742e1,
  title = {Factors controlling rare-metal concentrations in the sea},
  author = {Konrad Bates Krauskopf},
  year = {1955},
  doi = {10.3133/tei509},
  url = {https://pubs.usgs.gov/publication/tei509},
  note = {Source identifier: tei509}
}