@misc{indiciaeea10e4e1d106,
  title = {Cenozoic stratigraphy of the Sahara, Northern Africa},
  author = {Christopher S. Swezey},
  year = {2009},
  doi = {10.1016/j.jafrearsci.2008.08.001},
  url = {https://pubs.usgs.gov/publication/70046857},
  note = {Source identifier: 70046857}
}