TY  - RPRT
TI  - Assessment of undiscovered copper resources associated with the Permian Kupferschiefer, Southern Permian Basin, Europe
AU  - Michael L. Zientek
AU  - Slawomir Oszczepalski
AU  - Heather L. Parks
AU  - James D. Bliss
AU  - Gregor Borg
AU  - Stephen E. Box
AU  - Paul Denning
AU  - Timothy S. Hayes
AU  - Volker Spieth
AU  - Cliff D. Taylor
PY  - 2015
DO  - 10.3133/sir20105090u
UR  - https://pubs.usgs.gov/publication/sir20105090U
ID  - sir20105090U
ER  -