@misc{indiciae0e21c6d72479,
  title = {Distribution and quantitative assessment of world crude oil reserves and resources},
  author = {Charles D. Masters and David H. Root and William D. Dietzman},
  year = {1983},
  doi = {10.3133/ofr83728},
  url = {https://pubs.usgs.gov/publication/ofr83728},
  note = {Source identifier: ofr83728}
}