@misc{indiciaeef80fc690c04,
  title = {Comprehensive inter-laboratory calibration of reference materials for δ18O versus VSMOW using various on-line high-temperature conversion techniques},
  author = {Willi A. Brand and Tyler B. Coplen and Anita T. Aerts-Bijma and John Karl Bohlke and Matthias Gehre and Heike Geilmann and Manfred Groning and Henk G. Jansen and Harro A. J. Meijer and Stanley J. Mroczkowski and Haiping Qi and Karin Soergel and Hilary Stuart-Williams and Stephan M. Weise and Roland A. Werner},
  year = {2009},
  doi = {10.1002/rcm.3958},
  url = {https://pubs.usgs.gov/publication/70043336},
  note = {Source identifier: 70043336}
}