@misc{indiciae913721c91ba9,
  title = {Ground-water geology of Kordofan Province, Sudan},
  author = {Harry G. Rodis and Abdulla Hassan and Lutfi Wahadan},
  year = {1968},
  doi = {10.3133/wsp1757j},
  url = {https://pubs.usgs.gov/publication/wsp1757J},
  note = {Source identifier: wsp1757J}
}