@misc{indiciae9bd45d3ea608,
  title = {Volcanogenic Massive Sulfide Deposits of the World - Database and Grade and Tonnage Models},
  author = {Dan L. Mosier and Vladimir I. Berger and Donald A. Singer},
  year = {2009},
  doi = {10.3133/ofr20091034},
  url = {https://pubs.usgs.gov/publication/ofr20091034},
  note = {Source identifier: ofr20091034}
}