@misc{indiciae5ec170abfb81,
  title = {Mica deposits in Minas Gerais, Brazil},
  author = {William Thomas Pecora and M. R. Klepper and D. M. Larrabee and A. L. M. Barbosa and Resk Frayha},
  year = {1950},
  doi = {10.3133/b964c},
  url = {https://pubs.usgs.gov/publication/b964C},
  note = {Source identifier: b964C}
}