Current thoughts :  a study of electricity and magnetism 

 - New York :  South-Western educational publishing,  1998 
 - 88 p. 
<br/><br/><label>ISBN: </label>0538668571 
<br/><br/><label>Subjects--Index Terms: </label>Điện  Nam châm 
<br/><br/><label>Dewey Class. No.: </label>537