@misc{indiciae0e641a74d136,
  title = {An interlaboratory study to test instrument performance of hydrogen dual-inlet isotope-ratio mass spectrometers},
  author = {Willi A. Brand and T.B. Coplen},
  year = {2001},
  doi = {10.1007/s002160100814},
  url = {https://pubs.usgs.gov/publication/70023310},
  note = {Source identifier: 70023310}
}