@misc{indiciae4f4215abb299,
  title = {Preliminary results from microanalyses of organic matter in the lower Proterozoic uranium ores at Oklo in Gabon},
  author = {J.S. Leventhal and Bartholomew Nagy and F. Gauthier-Lafaye},
  year = {1989},
  doi = {10.3133/ofr89668},
  url = {https://pubs.usgs.gov/publication/ofr89668},
  note = {Source identifier: ofr89668}
}