@misc{indiciaed97d174b41c8,
  title = {Influence of substrate rocks on Fe-Mn crust composition},
  author = {J.R. Hein and C.L. Morgan},
  year = {1999},
  doi = {10.1016/s0967-0637(98)00097-1},
  url = {https://pubs.usgs.gov/publication/70021679},
  note = {Source identifier: 70021679}
}