@misc{indiciae2b590b040205,
  title = {Heavy metal concentrations in earthworms from soil amended with sewage sludge},
  author = {W. N. Beyer and R. L. Chaney and B.M. Mulhern},
  year = {1982},
  doi = {10.2134/jeq1982.00472425001100030012x},
  url = {https://pubs.usgs.gov/publication/5221799},
  note = {Source identifier: 5221799}
}