@misc{indiciaef4aa4abc46b1,
  title = {Global oil assessments and the search for non-OPEC oil},
  author = {C.D. Masters},
  year = {1987},
  doi = {10.1111/j.1468-0076.1987.tb00047.x},
  url = {https://pubs.usgs.gov/publication/70015135},
  note = {Source identifier: 70015135}
}