@misc{indiciae5164a2136bf7,
  title = {Assessing total nitrogen in surface-water samples--precision and bias of analytical and computational methods},
  author = {David L. Rus and Charles J. Patton and David K. Mueller and Charles G. Crawford},
  year = {2013},
  doi = {10.3133/sir20125281},
  url = {https://pubs.usgs.gov/publication/sir20125281},
  note = {Source identifier: sir20125281}
}