@misc{indiciaeff41ec8b5ee0,
  title = {Temporal changes in surface-water insecticide concentrations after the phaseout of diazinon and chlorpyrifos},
  author = {P. J. Phillips and S.W. Ator and E.A. Nystrom},
  year = {2007},
  doi = {10.1021/es070301},
  url = {https://pubs.usgs.gov/publication/70029840},
  note = {Source identifier: 70029840}
}