Rare earth elements critical resources for high technology /

Main Author: Haxel, Gordon.
Other Authors: Hedrick, James B., Orris, G. J., Geological Survey (U.S.)
Format: Electronic
Language: English
Published: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2002.
Physical Description: 4 unnumbered pages : digital, PDF file.
Series: Fact sheet (Geological Survey (U.S.)) ; FS-02-087.
Subjects:
Online Access: http://pubs.usgs.gov/fs/2002/fs087-02/
http://purl.access.gpo.gov/GPO/LPS104453