@misc{indiciae59dd4cade52e,
  title = {Barite: World production, reserves, and future prospects},
  author = {Donald Albert Brobst},
  year = {1970},
  doi = {10.3133/b1321},
  url = {https://pubs.usgs.gov/publication/b1321},
  note = {Source identifier: b1321}
}