Jones, W.R. <br/><br/>
Minerals In Industry 

 - 3 
 - London  Penguin Books  1955 
 - 238p. 
 - Prlican Books A123 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>H7
<br/><br/><label>Dewey Class. No.: </label>H7  / I5