Freeman, Roger L. <br/><br/>
Telecommunication system engineering :  analog and digital network design / 
Roger L. Freeman. 
 - New York :  Wiley,  1980. 
 - xxii, 480 p. :  ill. 
<br/><br/> "A Wiley-Interscience publication." 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0471029556 
<br/><br/><label>LCCN: </label>79026661  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication system--Design and construction.<br/>Telephone systems--Design and construction.