International strategic mineral issues summary report--tungsten /
Werner, Antony B. T.
Sinclair, W. D.
Amey, Earle B.
Geological Survey (U.S.)
Washington : U.S. G.P.O. : U.S. Department of the Interior, U.S. Geological Survey,
1998.
Shipping list no.: 98-0257-P.
"Prepared as a cooperative effort among earth-science and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the Republic of South Africa, the United Kingdom, and the United States of America."
Includes bibliographical references (p. 66-71).
Tungsten.
Strategic minerals.