@misc{indiciae741fa90fe5eb,
  title = {Recommendations for assessments of undiscovered mineral resources},
  author = {Paul B. Barton and D. A. Brew and S. D. Ludington and D. A. Lindsey and R. A. Ayuso and E. R. Force and B. M. Gamble and R.J. Goldfarb and D. A. John and K. M. Johnson},
  year = {1995},
  doi = {10.3133/ofr9582},
  url = {https://pubs.usgs.gov/publication/ofr9582},
  note = {Source identifier: ofr9582}
}