Kennedy, George. <br/><br/>
Electronic communication systems / 
George Kennedy. 
 - 3rd ed. 
 - New York :  McGraw-Hill,  1985. 
 - 741 p.:  ill., grp.  22 cm. 
<br/><br/><label>ISBN: </label>007Y663629 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems<br/>Computer networks
<br/><br/><label>LC Class. No.: </label>TK5101