Skirvin, Frederic A. <br/><br/>
Purification of tungsten hexachloride  
Skirvin, Frederic A. 
 - Washington  Bureau of mines  1967 
 - Report Investigation  6984 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>hexacloruro de tungsteno<br/>purificación
<br/><br/><label>Universal Decimal Class. No.: </label>542.67:546.131.78 (47)