Worrall, W.E <br/><br/>
Clays And Ceramic Raw Materials  
/by W.E. Worrall 
 - New York  Elsevier Applied Science Publishers  1986 
 - 219p. 
<br/><br/><label>ISBN: </label>1851660046 
<br/><br/><label>Dewey Class. No.: </label>666  / WOR/C