@misc{indiciaeb5097d771fed,
  title = {Physiographic, stratigraphic, and structural development of the Quadrilatero Ferrifero, Minas Gerais, Brazil},
  author = {J. V. N. Dorr},
  year = {1969},
  doi = {10.3133/pp641a},
  url = {https://pubs.usgs.gov/publication/pp641A},
  note = {Source identifier: pp641A}
}