@misc{indiciae8c55462d06a3,
  title = {Determination of glyphosate, its degradation product aminomethylphosphonic acid, and glufosinate, in water by isotope dilution and online solid-phase extraction and liquid chromatography/tandem mass spectrometry},
  author = {Michael T. Meyer and Keith A. Loftin and Edward A. Lee and Gary H. Hinshaw and Julie E. Dietze and Elisabeth A. Scribner},
  year = {2009},
  doi = {10.3133/tm5a10},
  url = {https://pubs.usgs.gov/publication/tm5A10},
  note = {Source identifier: tm5A10}
}