@misc{indiciaee04ebcfabbbe,
  title = {Chromium in rocks and minerals from the southern California batholith},
  author = {F.O. Simon and Carl L. Rollinson},
  year = {1976},
  doi = {10.1016/0009-2541(76)90022-x},
  url = {https://pubs.usgs.gov/publication/70010309},
  note = {Source identifier: 70010309}
}