@misc{indiciae1a61e0d81906,
  title = {Brief on Reforma-Campeche's (Mexico) petroleum potential},
  author = {Bernardo F. Grossling},
  year = {1979},
  doi = {10.3133/ofr79237},
  url = {https://pubs.usgs.gov/publication/ofr79237},
  note = {Source identifier: ofr79237}
}