CAMM, F.J. <br/><br/>
A beginner's guide to radio / 
F.J.Camm 
 - 3rd ed. 
 - London  George Newnes Ltd.  1957 
 - 160 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>91421 
<br/><br/><label>Dewey Class. No.: </label>621.384  / CAM