@misc{indiciaef4ef2ee52215,
  title = {Visualization of petroleum exploration maturity for six petroleum provinces outside the United States and Canada},
  author = {Emil D. Attanasi and Philip A. Freeman},
  year = {2023},
  doi = {10.3133/sir20235010},
  url = {https://pubs.usgs.gov/publication/sir20235010},
  note = {Source identifier: sir20235010}
}