@misc{indiciae092460e548b2,
  title = {An integrated data-directed numerical method for estimating the undiscovered mineral endowment in a region},
  author = {R.B. McCammon and W.I. Finch and J.O. Kork and N.J. Bridges},
  year = {1994},
  doi = {10.1007/bf02286436},
  url = {https://pubs.usgs.gov/publication/70017053},
  note = {Source identifier: 70017053}
}