Freeman, Roger L.    <br/><br/>
Telecommunication system engineering /  
Roger L. Freeman    
 - 3rd. ed.    
 - New York :  John Wiley,   c1989    
 - xxii, 1023 p. :  ill.;   25 cm.    
 - Wiley series in telecommunications and signal processing    .
<br/><br/>Includes bibliographical references and index    
<br/><br/><label>ISBN: </label>0471133027    
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications systems--Design and construction   <br/>Telephone systems--Design and construction