Beker, Henry. <br/><br/>
Secure speech communications / 
Henry J. Beker, Fred C. Piper. 
 - London ;  Orlando [Fla.] :  Academic Press,  1985. 
 - xi, 267 p. :  ill. ;  24 cm. 
 - Microelectronics and signal processing ;  3 .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 259-262. 
<br/><br/><label>ISBN: </label>0120847809 (alk. paper) 
<br/><br/><label>LCCN: </label>84021528  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scrambling systems (Telecommunication)
<br/><br/><label>LC Class. No.: </label>TK5102.5  / .B354 1985 
<br/><br/><label>Dewey Class. No.: </label>621.38