@misc{indiciae00a12592668f,
  title = {Preparation and analysis of nitrogen-bearing compounds in water for stable isotope ratio measurement},
  author = {Cecily C.Y. Chang and Steven R. Silva and Carol Kendall and Greg Michalski and Karen L. Casciotti and Scott D. Wankel},
  year = {2004},
  doi = {10.1016/b978-044451114-0/50017-x},
  url = {https://pubs.usgs.gov/publication/70239132},
  note = {Source identifier: 70239132}
}