@misc{indiciaedb7ebfc4268e,
  title = {Distribution of selenium in soils of agricultural fields, western San Joaquin Valley, California},
  author = {Roger Fujii and S. J. Deverel and D. B. Hatfield},
  year = {1987},
  doi = {10.3133/ofr87467},
  url = {https://pubs.usgs.gov/publication/ofr87467},
  note = {Source identifier: ofr87467}
}