Rare earth element / 
edited by Jose Edgar Alfonso Orjuela 
 - viii, 159 pages :  illustration (some color) ;  23 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9789535134015 9535134019 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rare earth metals