Graf, Rudolf F. <br/><br/>
Video scrambling and descrambling : for satellite and cable tv 
Rudolf F. Graf 
 -  c.1987 
 - 838 p. :   ill. ;   24 cm. 
<br/><br/> http://www.amazon.com/Encyclopedia-Electronic-Circuits-Vol-3/dp/0830673482/ref=sr_1_1?s=books&ie=UTF8&qid=1414131030&sr=1-1&keywords=0830673482 
<br/><br/><label>ISBN: </label>0672224992 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Satellite--MS COM, EL
<br/><br/><label>Dewey Class. No.: </label>621.38932 GRA