Non-ferrous metals. 

 - 202 pages :  illustrations ;  27 cm 
 - Gaps in technology .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>76473462 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nonferrous metal industries
<br/><br/><label>LC Class. No.: </label>HD9539.A2  / O74 1969