@misc{indiciae3914582892f8,
  title = {Nicotine, acetanilide and urea multi-level 2 H-, 13 C- and 15 N-abundance reference materials for continuous-flow isotope ratio mass spectrometry},
  author = {A. Schimmelmann and A. Albertino and P.E. Sauer and H. Qi and R. Molinie and F. Mesnard},
  year = {2009},
  doi = {10.1002/rcm.4277},
  url = {https://pubs.usgs.gov/publication/70035932},
  note = {Source identifier: 70035932}
}