@misc{indiciae0fa961462b8b,
  title = {Phosphorus Concentrations in Stream-Water and Reference Samples - An Assessment of Laboratory Comparability},
  author = {Michael R. McHale and Dennis McChesney},
  year = {2007},
  doi = {10.3133/ofr20071267},
  url = {https://pubs.usgs.gov/publication/ofr20071267},
  note = {Source identifier: ofr20071267}
}