@misc{indiciae4efad9655aaf,
  title = {Preliminary maps showing principal uranium deposits of the world},
  author = {Virginia P. Byers},
  year = {1977},
  doi = {10.3133/ofr7740},
  url = {https://pubs.usgs.gov/publication/ofr7740},
  note = {Source identifier: ofr7740}
}