Lang ,Johannes G. <br/><br/>
The Megnetic Field 

 - NA 
 - New Delhi  1989 
 - 67 
<br/><br/><label>ISBN: </label>81-224-0219-4 
<br/><br/><label>Subjects--Personal Names: </label><br/>Humanity & Natural Sciences
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humanities and Natural sciences