TY  - RPRT
TI  - Spatial database for a global assessment of undiscovered copper resources: Chapter Z in Global mineral resource assessment
AU  - Connie L. Dicken
AU  - Pamela Dunlap
AU  - Heather L. Parks
AU  - Jane M. Hammarstrom
AU  - Michael L. Zientek
PY  - 2016
DO  - 10.3133/sir20105090z
UR  - https://pubs.usgs.gov/publication/sir20105090Z
ID  - sir20105090Z
ER  -