@misc{indiciaef69b21c31d7b,
  title = {The vanadium sulphide, patronite, and its mineral associates from Minasragra, Peru},
  author = {W. F. Hillebrand},
  year = {2002},
  doi = {10.1021/ja01961a006},
  url = {https://pubs.usgs.gov/publication/70011142},
  note = {Source identifier: 70011142}
}