TY  - RPRT
TI  - Mineral commodity profiles: Germanium
AU  - W. C. Butterman
AU  - John D. Jorgenson
PY  - 2005
DO  - 10.3133/ofr20041218
UR  - https://pubs.usgs.gov/publication/ofr20041218
ID  - ofr20041218
ER  -