Valens, E.G. <br/><br/>
Magnet 

 - Mew York:  The World Publishing Company,  1964. 
 -  ill.  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetism 
<br/><br/><label>Dewey Class. No.: </label>538  / VAL