@misc{indiciae41700a3626bf,
  title = {Assessment of exploration bias in data-driven predictive models and the estimation of undiscovered resources},
  author = {M.F. Coolbaugh and G. L. Raines and R. E. Zehner},
  year = {2007},
  doi = {10.1007/s11053-007-9037-6},
  url = {https://pubs.usgs.gov/publication/70029904},
  note = {Source identifier: 70029904}
}