International, Telephone and Telegraph Corporation <br/><br/>
Reference data for radio Engineers / 
International Telephone and Telegraph Corporation 
 - 6th ed. 
 - New York :  Howard W. Sams and Co. Inc. ,  1968 
<br/><br/><label>ISBN: </label>0672212188 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio Engineering<br/>Radio
<br/><br/><label>Dewey Class. No.: </label>621.3841  / ITT