@misc{indiciaeeff5ffedac61,
  title = {Geologic assessment of the fossil energy and geothermal potential of the Sudan},
  author = {Loren W. Setlow},
  year = {1983},
  doi = {10.3133/ofr83356},
  url = {https://pubs.usgs.gov/publication/ofr83356},
  note = {Source identifier: ofr83356}
}