@misc{indiciae1e6ec96456b9,
  title = {Metamorphic rocks of the Quadrilatero Ferrifero, Minas Gerais, Brazil},
  author = {Norman Herz},
  year = {1978},
  doi = {10.3133/pp641c},
  url = {https://pubs.usgs.gov/publication/pp641C},
  note = {Source identifier: pp641C}
}