Gschneider, Karl A., Jr. <br/><br/>
Rare earths; the fraternal fifteen. 

 - Oak Ridge, U.S. :  Atomic Energy Commission,  1964. 
 - 42 p. :  : ilus. 
 - Understanding the atom .
 - Understanding the atom .
<br/><br/><label>LCCN: </label>15651 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tierras raras.