@misc{indiciaec9113508f02e,
  title = {Seasonal changes in concentrations of dissolved pesticides and organic carbon in the Sacramento-San Joaquin delta, California, 1994-1996},
  author = {James L. Orlando and Kathryn Kuivila},
  year = {2006},
  doi = {10.3133/ds197},
  url = {https://pubs.usgs.gov/publication/ds197},
  note = {Source identifier: ds197}
}