@misc{indiciaed7095774555f,
  title = {Geology and geochemistry of uranium in marine black shales--A review},
  author = {V.E. Swanson},
  year = {1961},
  doi = {10.3133/pp356c},
  url = {https://pubs.usgs.gov/publication/pp356C},
  note = {Source identifier: pp356C}
}