@misc{indiciaec3817a0762b5,
  title = {Note on removal of sulfur interferences from sediment extracts for pesticide analysis},
  author = {D.F. Goerlitz and LeRoy M. Law},
  year = {1971},
  doi = {10.1007/bf01559064},
  url = {https://pubs.usgs.gov/publication/70001554},
  note = {Source identifier: 70001554}
}