@misc{indiciaeda39a7abd375,
  title = {Selenium in irrigated agricultural areas of the western United States},
  author = {B. T. Nolan and M. L. Clark},
  year = {2013},
  doi = {10.2134/jeq2013.04.0154},
  url = {https://pubs.usgs.gov/publication/70019777},
  note = {Source identifier: 70019777}
}