@misc{indiciae69b4911d3bc5,
  title = {Geology and petroleum resource assessment of onshore northwestern Africa},
  author = {J.A. Peterson},
  year = {1986},
  doi = {10.3133/ofr86183},
  url = {https://pubs.usgs.gov/publication/ofr86183},
  note = {Source identifier: ofr86183}
}