TY  - RPRT
TI  - Platinum-group elements in southern Africa: mineral inventory and an assessment of undiscovered mineral resources
AU  - Michael L. Zientek
AU  - J. Douglas Causey
AU  - Heather L. Parks
AU  - Robert J. Miller
PY  - 2014
DO  - 10.3133/sir20105090q
UR  - https://pubs.usgs.gov/publication/sir20105090Q
ID  - sir20105090Q
ER  -