Freeman, Roger L. <br/><br/>
Telecommunication transmission handbook 
Roger L. Freeman 
 - 2nd ed. 
 - New York  Wiley  c1981 
 - xxvii, 706 p.  ill.  24 cm. 
<br/><br/> "A Wiley-Interscience publication." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.38