@misc{indiciaead0c07c6c555,
  title = {Elements in fruits and vegetables from areas of commercial production in the conterminous United States},
  author = {Hansford Threlkeld Shacklette},
  year = {1980},
  doi = {10.3133/pp1178},
  url = {https://pubs.usgs.gov/publication/pp1178},
  note = {Source identifier: pp1178}
}