Freeman, Roger L. <br/><br/>
Telecommunication transmission handbook / 
Roger L. Freeman. 
 - 3rd ed. 
 - New York :  John Wiley & Sons,  c1991. 
 - xxv, 1014 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TELECOMUNICACIONES
<br/><br/><label>Dewey Class. No.: </label>621.382  / F855