@misc{indiciaef7b5b51fdc58,
  title = {Relation of pH and other soil variables to concentrations of Pb, Cu, Zn, Cd, and Se in earthworms},
  author = {W. Nelson Beyer and Gary L. Hensler and Jeff Moore},
  year = {1987},
  doi = {10.1016/s0031-4056(23)00368-2},
  url = {https://pubs.usgs.gov/publication/5222205},
  note = {Source identifier: 5222205}
}