@misc{indiciaee9eb4d2a72f8,
  title = {Statistics of petroleum exploration in the Caribbean, Latin America, Western Europe, the Middle East, Africa, non-communist Asia, and the southwestern Pacific},
  author = {E. D. Attanasi and David H. Root},
  year = {1993},
  doi = {10.3133/cir1096},
  url = {https://pubs.usgs.gov/publication/cir1096},
  note = {Source identifier: cir1096}
}