@misc{indiciaea39d9d882536,
  title = {Uranium in the Upper Cambrian black shale of Sweden},
  author = {Vincent Ellis McKelvey},
  year = {1955},
  doi = {10.3133/tei495},
  url = {https://pubs.usgs.gov/publication/tei495},
  note = {Source identifier: tei495}
}