@misc{indiciaedad91ac15a9f,
  title = {Molecular signature of organic nitrogen in septic-impacted groundwater},
  author = {William A. Arnold and Krista Longnecker and Kevin D. Kroeger and Elizabeth B. Kujawinski},
  year = {2014},
  doi = {10.1039/c4em00289j},
  url = {https://pubs.usgs.gov/publication/70176411},
  note = {Source identifier: 70176411}
}