@misc{indiciae87a472cfe110,
  title = {Quality-assurance results for routine water analysis in US Geological Survey laboratories, water year 1991},
  author = {T. J. Maloney and A. S. Ludtke and T.L. Krizman},
  year = {1994},
  doi = {10.3133/wri944046},
  url = {https://pubs.usgs.gov/publication/wri944046},
  note = {Source identifier: wri944046}
}