@misc{indiciae16d8b6e9b3e0,
  title = {Geology and mineral resources of West Africa},
  author = {J. B. Wright and D. A. Hastings and W. B. Jones and H. R. Williams},
  year = {1985},
  doi = {10.1007/978-94-015-3932-6},
  url = {https://pubs.usgs.gov/publication/70236911},
  note = {Source identifier: 70236911}
}