@misc{indiciae826dc49b53e5,
  title = {Map scale effects on estimating the number of undiscovered mineral deposits},
  author = {D.A. Singer and W. D. Menzie},
  year = {2008},
  doi = {10.1007/s11053-008-9068-7},
  url = {https://pubs.usgs.gov/publication/70032036},
  note = {Source identifier: 70032036}
}