@misc{indiciae12477c33d647,
  title = {Determination of nanogram per liter concentrations of volatile organic compounds in water by capillary gas chromatography and selected ion monitoring mass spectrometry and its use to define groundwater flow directions in Edwards Aquifer, Texas},
  author = {P.M. Buszka and D.L. Rose and G. B. Ozuna and G.E. Groschen},
  year = {2002},
  doi = {10.1021/ac00116a008},
  url = {https://pubs.usgs.gov/publication/70018806},
  note = {Source identifier: 70018806}
}