Dudeney, A. W. L. <br/><br/>
Mineral process chemistry  a special study 

 - [Rev. ed.] 
 - [Harlow]  Published for the Nuffield-Chelsea Curriculum Trust  [1984] 
 - 29 p.  ill.  30cm  Teachers' guide (23p : ill : 30cm) 
 - Revised Nuffield advanced science. .
<br/><br/>Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ore-dressing
<br/><br/><label>Dewey Class. No.: </label>622  / .7