@misc{indiciae8394acdaa68b,
  title = {Porphyry copper assessment of Europe, exclusive of the Fennoscandian Shield: Chapter K in Global mineral resource assessment},
  author = {David M. Sutphin and Jane M. Hammarstrom and Lawrence J. Drew and Duncan E. Large and Byron R. Berger and Connie Dicken and Michael W. DeMarr and Mario with contributions from Billa and Joseph A. Briskey and Daniel Cassard and Andor Lips and Zdenek Pertold and Emilian Rosu},
  year = {2013},
  doi = {10.3133/sir20105090k},
  url = {https://pubs.usgs.gov/publication/sir20105090K},
  note = {Source identifier: sir20105090K}
}