Kaufman, Milton. <br/><br/>
Radio operator's license Q & A manual / 
Milton Kaufman. 
 - 5th edition. 
 - New York:  J. F. Rider Publisher, Inc.  1955. 
 - 735 P. ;  21.5 cm 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>621.384  / KAU