@misc{indiciae38776ce097f4,
  title = {Forensic applications of nitrogen and oxygen isotopes in tracing nitrate sources in urban environments},
  author = {S. R. Silva and P. B. Ging and R. W. Lee and J.C. Ebbert and A. J. Tesoriero and E. L. Inkpen},
  year = {2002},
  doi = {10.1006/enfo.2002.0086},
  url = {https://pubs.usgs.gov/publication/70024462},
  note = {Source identifier: 70024462}
}