@misc{indiciae5e9c789c0c6c,
  title = {Ni-Co laterite deposits of the world — Database and grade and tonnage models},
  author = {Vladimir I. Berger and Donald A. Singer and James D. Bliss and Barry C. Moring},
  year = {2011},
  doi = {10.3133/ofr20111058},
  url = {https://pubs.usgs.gov/publication/ofr20111058},
  note = {Source identifier: ofr20111058}
}