@misc{indiciae0c221330eb41,
  title = {Geology of the lead-zinc deposits in the Municipio de Januaria, State of Minas Gerais, Brazil},
  author = {J. F. Robertson},
  year = {1963},
  doi = {10.3133/b1110b},
  url = {https://pubs.usgs.gov/publication/b1110B},
  note = {Source identifier: b1110B}
}