@misc{indiciaec69a314c8531,
  title = {Relation of usage to the occurrence of cotton and rice herbicides in three streams of the Mississippi delta},
  author = {R.H. Coupe and E.M. Thurman and L.R. Zimmerman},
  year = {1998},
  doi = {10.1021/es980342t},
  url = {https://pubs.usgs.gov/publication/70020518},
  note = {Source identifier: 70020518}
}