@misc{indiciaedce71e5a200e,
  title = {Nickel-cobalt laterites: A deposit model},
  author = {Erin E. Marsh and Eric D. Anderson and Floyd Gray},
  year = {2013},
  doi = {10.3133/sir20105070h},
  url = {https://pubs.usgs.gov/publication/sir20105070H},
  note = {Source identifier: sir20105070H}
}