@misc{indiciae59a06f33b79a,
  title = {Determination of the \δ 15 N of total nitrogen in solids; RSIL lab code 2893},
  author = {Kinga Revesz and Haiping Qi and Tyler B. Coplen},
  year = {2006},
  doi = {10.3133/tm10c11},
  url = {https://pubs.usgs.gov/publication/tm10C11},
  note = {Source identifier: tm10C11}
}