Tungsten, 1982  proceedings of the Second International Tungsten Symposium, San Francisco, June 1-5, 1982 
Mining Journal Books Limited 
 - London  Mining Journal Books Limited  1982 
 - 179 p.  il  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>congreso<br/>tungsteno
<br/><br/><label>Universal Decimal Class. No.: </label>622.346