Powell, Howard F. <br/><br/>
The hydrocyclone in clay beneficiation 
Powell, Howard F. 
 - Washington  Bureau of mines  1963 
 - ii, 20 p. 
 - RI  6275 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>arcilla
<br/><br/><label>Universal Decimal Class. No.: </label>549