Hayes, Peter. <br/><br/>
Process principles in minerals and materials production/ 
Peter Hayes. 
 - Sherwood, Queensland:  Hayes publishing Co.  c1993. 
 - xvi, 730p. : ill. ; 24cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0958919739 [flexi cover] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metallurgy<br/>Minerals--Production engineering<br/>Mineral processing.
<br/><br/><label>Dewey Class. No.: </label>622.7  / H425