TY  - RPRT
TI  - Rare earth elements: critical resources for high technology
AU  - Gordon B. Haxel
AU  - James B. Hedrick
AU  - Greta J. Orris
AU  - Peter H. Stauffer
AU  - James W. Hendley
PY  - 2002
DO  - 10.3133/fs08702
UR  - https://pubs.usgs.gov/publication/fs08702
ID  - fs08702
ER  -