Siemens,  <br/><br/>
The magnetic field 

 - New Delhi  :  Wiley Eastern Ltd,  1978. 
 - 67 
<br/><br/><label>ISBN: </label>81-24-0219-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.3  / SIE