TY  - RPRT
TI  - Mineral Commodity Profiles -- Rubidium
AU  - W. C. Butterman
AU  - R.G. Reese
PY  - 2003
DO  - 10.3133/ofr0345
UR  - https://pubs.usgs.gov/publication/ofr0345
ID  - ofr0345
ER  -