Freeman, Roger L.,  <br/><br/>
Telecommunication System Engineering   

 - 3rd ed.  
 - New York :  John Wiley & Sons Inc,   c1989. 
 - xxii, 1023 p.:  [8-B] 
<br/><br/><label>ISBN: </label>0471133022 
<br/><br/><label>Dewey Class. No.: </label>621.382  / FRE/TEL