@misc{indiciaec5dc40dc4b8f,
  title = {Selected Russian papers on geochemical prospecting for ores},
  author = {V.P. Sokoloff and H. E. Hawkes},
  year = {1950},
  doi = {10.3133/ofr4821},
  url = {https://pubs.usgs.gov/publication/ofr4821},
  note = {Source identifier: ofr4821}
}