@misc{indiciae4373ccea337f,
  title = {Pattern recognition analysis and classification modeling of selenium-producing areas},
  author = {D. L. Naftz},
  year = {1996},
  doi = {10.1002/(sici)1099-128x(199607)10:4<309::aid-cem426>3.0.co;2-x},
  url = {https://pubs.usgs.gov/publication/70018527},
  note = {Source identifier: 70018527}
}