@misc{indiciaeb5b861262643,
  title = {Comparison of methods used to estimate conventional undiscovered petroleum resources: World examples},
  author = {Thomas S. Ahlbrandt and T. R. Klett},
  year = {2005},
  doi = {10.1007/s11053-005-8076-0},
  url = {https://pubs.usgs.gov/publication/70027873},
  note = {Source identifier: 70027873}
}