@misc{indiciaeb44bd9297d8f,
  title = {Uranium and other metals in crude oils},
  author = {Clarence Albert Horr and A.T. Myers and P. J. Dunton and Harold Julius Hyden},
  year = {1961},
  doi = {10.3133/b1100},
  url = {https://pubs.usgs.gov/publication/b1100},
  note = {Source identifier: b1100}
}