@misc{indiciae9814de96f9c0,
  title = {Spatial database for a global assessment of undiscovered copper resources: Chapter Z in Global mineral resource assessment},
  author = {Connie L. Dicken and Pamela Dunlap and Heather L. Parks and Jane M. Hammarstrom and Michael L. Zientek},
  year = {2016},
  doi = {10.3133/sir20105090z},
  url = {https://pubs.usgs.gov/publication/sir20105090Z},
  note = {Source identifier: sir20105090Z}
}