@misc{indiciaef98cfd5ef50c,
  title = {Selenium, iron, and chromium stable isotope ratio measurements by the double isotope spike TIMS method},
  author = {Thomas M. Johnson and Thomas D. Bullen},
  year = {2004},
  doi = {10.1016/b978-044451114-0/50031-4},
  url = {https://pubs.usgs.gov/publication/70199407},
  note = {Source identifier: 70199407}
}