@misc{indiciaea06e1a3fda1d,
  title = {Trace elements in tourmalines from massive sulfide deposits and tourmalinites: Geochemical controls and exploration applications},
  author = {W.L. Griffin and J. F. Slack and A.R. Ramsden and T.T. Win and C.G. Ryan},
  year = {1996},
  doi = {10.2113/gsecongeo.91.4.657},
  url = {https://pubs.usgs.gov/publication/70017770},
  note = {Source identifier: 70017770}
}