@misc{indiciaed70c6d5b6b6d,
  title = {Copper isotope fractionation in acid mine drainage},
  author = {B.E. Kimball and R. Mathur and A.C. Dohnalkova and A.J. Wall and R.L. Runkel and S.L. Brantley},
  year = {2009},
  doi = {10.1016/j.gca.2008.11.035},
  url = {https://pubs.usgs.gov/publication/70032309},
  note = {Source identifier: 70032309}
}