@misc{indiciae7591b2218a9b,
  title = {Estimativas de possiveis recursos de petroleo e gas na America Central e na America do Sul [Estimates of possible petroleum and gas resources in Central American and South America]},
  author = {C.S. Schenk},
  year = {2001},
  doi = {10.3133/fs03901},
  url = {https://pubs.usgs.gov/publication/fs03901},
  note = {Source identifier: fs03901}
}