@misc{indiciaea9ef7efd4ca8,
  title = {Probabilistic methodology for estimation of undiscovered petroleum resources in play analysis of the United States},
  author = {R. A. Crovelli},
  year = {1992},
  doi = {10.1007/bf01782269},
  url = {https://pubs.usgs.gov/publication/70017011},
  note = {Source identifier: 70017011}
}