International strategic mineral issues summary report--tungsten

Bibliographic Details
Main Author:	Werner, Antony B. T.
Other Authors:	Sinclair, W. D., Amey, Earle B.
Format:	Book
Language:	English
Published:	Washington U.S. G.P.O. U.S. Dept. of the Interior, U.S. Geological Survey 1998.
Subjects:	Tungsten. Strategic minerals.