@misc{indiciae95f51150820e,
  title = {Finding minimal concentrations of herbicides in ground water? Try looking for the degradates},
  author = {D.W. Kolpin and E.M. Thurman and S. M. Linhart},
  year = {1999},
  url = {https://pubs.usgs.gov/publication/70169928},
  note = {Source identifier: 70169928}
}