@misc{indiciaed2a0a97dd354,
  title = {Probability calculations for three-part mineral resource assessments},
  author = {Karl J. Ellefsen},
  year = {2017},
  doi = {10.3133/tm7c15},
  url = {https://pubs.usgs.gov/publication/tm7C15},
  note = {Source identifier: tm7C15}
}