@misc{indiciae0600614aea6e,
  title = {Total and water extractable selenium in soils and stream sediments, and total selenium in alfalfa from the Marty II study area, South Dakota},
  author = {S. A. Wilson and R. C. Severson and K. R. Kennedy and A.R. Shineman and S.A. Kinney},
  year = {1990},
  doi = {10.3133/ofr90330},
  url = {https://pubs.usgs.gov/publication/ofr90330},
  note = {Source identifier: ofr90330}
}