@misc{indiciae3f8d74be0562,
  title = {Estimating toxic damage to soil ecosystems from soil organic matter profiles},
  author = {W. N. Beyer},
  year = {2001},
  doi = {10.1023/a:1016707200900},
  url = {https://pubs.usgs.gov/publication/5224076},
  note = {Source identifier: 5224076}
}