@misc{indiciaeb5c5c8bdb5b3,
  title = {Essentials of iron, chromium, and calcium isotope analysis of natural materials by thermal ionization mass spectrometry},
  author = {M.S. Fantle and T.D. Bullen},
  year = {2009},
  doi = {10.1016/j.chemgeo.2008.06.018},
  url = {https://pubs.usgs.gov/publication/70032875},
  note = {Source identifier: 70032875}
}