TY  - RPRT
TI  - Global stocks of selected mineral-based commodities
AU  - David R. Wilburn
AU  - Donald I. Bleiwas
AU  - Nick A. Karl
PY  - 2016
DO  - 10.3133/sir20165152
UR  - https://pubs.usgs.gov/publication/sir20165152
ID  - sir20165152
ER  -