@misc{indiciae4631923fa04e,
  title = {Microbial mass-dependent fractionation of chromium isotopes},
  author = {E.R. Sikora and T.M. Johnson and T.D. Bullen},
  year = {2008},
  doi = {10.1016/j.gca.2008.05.051},
  url = {https://pubs.usgs.gov/publication/70000285},
  note = {Source identifier: 70000285}
}