@misc{indiciae0ca33eb08792,
  title = {Statistical parameters for resource evaluation of geochemical data from the Ajo 1° x 2° quadrangle, Arizona},
  author = {P. K. Theobald and Harlan N. Barton},
  year = {1983},
  doi = {10.3133/ofr83734},
  url = {https://pubs.usgs.gov/publication/ofr83734},
  note = {Source identifier: ofr83734}
}