Lei, Kenneth P. V. <br/><br/>
An electrolytic process for producing ductile vanadium   
Lei, Kenneth P. V. 
 - Washington  Bureau of mines  1967 
 - Report Investigation  6972 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>electrolítico<br/>producción<br/>ductil<br/>vanadio
<br/><br/><label>Universal Decimal Class. No.: </label>546.88 : 621.357.8 (47)