@misc{indiciae36a5bc71dc78,
  title = {Isotopic analysis of N and O in nitrite and nitrate by sequential selective bacterial reduction to N2O},
  author = {John Karl Bohlke and Richard L. Smith and Janet E. Hannon},
  year = {2007},
  doi = {10.1021/ac070176k},
  url = {https://pubs.usgs.gov/publication/70030891},
  note = {Source identifier: 70030891}
}