ETTINGER, George M. <br/><br/>
Magnetic amplifiers 
/[by] George M.Ettinger 
 - London  Methuen & Co.  1953 
 - 88 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>84266 
<br/><br/><label>Dewey Class. No.: </label>621.384  / ETT