@misc{indiciaed0ca04e77c23,
  title = {Geology of the iron deposits of the Congonhas District, Minas Gerais, Brazil},
  author = {P. W. Guild},
  year = {1954},
  doi = {10.1126/science.119.3096.616},
  url = {https://pubs.usgs.gov/publication/70207417},
  note = {Source identifier: 70207417}
}