Subrahmanyam, N.  <br/><br/>
Electricity and magnetism /  
N. Subrahmanyam.  
 - 20th rev ed.  
 - Delhi :   Ratan Prakashan Mandir.   c1994.  
 - xvi, 807 p. ;   22 cm.  
<br/><br/><label>Subjects--Index Terms: </label>Magnetometers.  Magnetic Induction.  Terrestrial Magnetism.  
<br/><br/><label>Dewey Class. No.: </label>537  / BRI