@misc{indiciae8685852b42c5,
  title = {Geologic literature on Egypt, 1933 to 1978},
  author = {Craig R. Glenn and Johnnie M. Denman},
  year = {1980},
  doi = {10.3133/ofr80930},
  url = {https://pubs.usgs.gov/publication/ofr80930},
  note = {Source identifier: ofr80930}
}