@misc{indiciaeb218909087f3,
  title = {Petroleum geology and resources of southeastern Mexico, northern Guatemala, and Belize},
  author = {James A. Peterson},
  year = {1983},
  doi = {10.3133/cir760},
  url = {https://pubs.usgs.gov/publication/cir760},
  note = {Source identifier: cir760}
}