The Froehlich Kent Encyclopedia of Telecommunications 4 

 - New York :   Marcel Dekker,   c1992 
 - VI, 517 p.  : ill 
<br/><br/>
<br/><br/>v. 4. Communations Human Factors to Crytology  
<br/><br/><label>ISBN: </label>0824722787 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications Encyclopedias
<br/><br/><label>Dewey Class. No.: </label>621.38203  / FRO