TY  - RPRT
TI  - Shift in Global Tantalum Mine Production, 2000–2014
AU  - Donald I. Bleiwas
AU  - John F. Papp
AU  - Thomas R. Yager
PY  - 2015
DO  - 10.3133/fs20153079
UR  - https://pubs.usgs.gov/publication/fs20153079
ID  - fs20153079
ER  -