@misc{indiciae9005acc1bbe1,
  title = {Determination of methyl mercury by aqueous phase ethylation, followed by gas chromatographic separation with cold vapor atomic fluorescence detection},
  author = {John F. De Wild and Mark L. Olsen and Shane D. Olund},
  year = {2002},
  doi = {10.3133/ofr2001445},
  url = {https://pubs.usgs.gov/publication/ofr2001445},
  note = {Source identifier: ofr2001445}
}