Werner, Antony B. T. <br/><br/>
International strategic mineral issues summary report--tungsten / 
by Antony B.T. Werner, W. David Sinclair, and Earle B. Amey. 
 - Washington :  U.S. G.P.O. :  U.S. Dept. of the Interior, U.S. Geological Survey,  1998. 
 - vi, 71 p. :  ill., maps ;  28 cm. 
 - U.S. Geological Survey circular ;  930-O .
<br/><br/> '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.' 
<br/><br/>Includes bibliographical references (p. 66-71). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tungsten.<br/>Strategic minerals.
<br/><br/><label>LC Class. No.: </label>TN490.T9  / W47 1998