@misc{indiciae8a7fab87063c,
  title = {Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory; determination of chlorinated pesticides in aquatic tissue by capillary-column gas chromatography with electron-capture detection},
  author = {Thomas J. Leiker and James E. Madsen and Jeffrey R. Deacon and William T. Foreman},
  year = {1995},
  doi = {10.3133/ofr94710w},
  url = {https://pubs.usgs.gov/publication/ofr94710W},
  note = {Source identifier: ofr94710W}
}