@misc{indiciae99f916082e99,
  title = {Evaluation of tandem offline and online solid-phase extraction with liquid chromatography/electrospray ionization-mass spectrometry for the analysis of antibiotics in ambient water and comparision to an independent method},
  author = {M. T. Meyer and E.A. Lee and G.M. Ferrell and J.E. Bumgarner and Jerry Varns},
  year = {2007},
  doi = {10.3133/sir20075021},
  url = {https://pubs.usgs.gov/publication/sir20075021},
  note = {Source identifier: sir20075021}
}