TY  - RPRT
TI  - An exploration in mineral supply chain mapping using tantalum as an example
AU  - Yadira Soto-Viruet
AU  - W. David Menzie
AU  - John F. Papp
AU  - Thomas R. Yager
PY  - 2013
DO  - 10.3133/ofr20131239
UR  - https://pubs.usgs.gov/publication/ofr20131239
ID  - ofr20131239
ER  -