rare-earth elements, yttrium, and thorium
Subtitle: a materials survey
By: by John G. Parker and Charles T. Baroch with a chapter on resources by John W. Adams.
Contributors: Baroch, Charles T.
Series: Information Circular -- 8476.
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1971
Place of publication: [Washington]
Language: eng