@misc{indiciae8f788e806248,
  title = {Origin of the Nubian and similar sandstones},
  author = {E. D. McKee},
  year = {1963},
  doi = {10.1007/bf01821143},
  url = {https://pubs.usgs.gov/publication/70010441},
  note = {Source identifier: 70010441}
}