Freeman Roger L <br/><br/>
Telecommunication system engineering    Analog and digital network design.      
Freeman Roger L 
 -  1980 
<br/><br/><label>Standard No.: </label>14494 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65,4:4, M0