@misc{indiciae88c2a522f951,
  title = {Occurrence of selenium in sulfides from some sedimentary rocks of the western United States},
  author = {Robert G. Coleman and Maryse Delevaux},
  year = {1956},
  doi = {10.3133/tei632},
  url = {https://pubs.usgs.gov/publication/tei632},
  note = {Source identifier: tei632}
}