TY  - RPRT
TI  - Aspects of light rare earth element resources, Bayan Obo, China
AU  - D. M. Sutphin
AU  - L. J. Drew
PY  - 1998
DO  - 10.3133/ofr98125
UR  - https://pubs.usgs.gov/publication/ofr98125
ID  - ofr98125
ER  -