@misc{indiciaedba73055b9a9,
  title = {Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory-Determination of organophosphate pesticides in filtered water by gas chromatography with flame photometric detection},
  author = {Virendra K. Jha and Duane S. Wydoski},
  year = {2002},
  doi = {10.3133/wri024071},
  url = {https://pubs.usgs.gov/publication/wri024071},
  note = {Source identifier: wri024071}
}