Freeman, Roger L. <br/><br/>
Telecommunication transmission handbook 
Roger L. Freeman,  
 - 2nd ed 
 - New York :   New York : Wiley,    ©1981. 
 - xxvii, 706 p. ;  illustrations ,table, figs, photos, :   24 cm 
<br/><br/> Includes Index 
<br/><br/>
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>0471080292 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication<br/>communication
<br/><br/><label>Dewey Class. No.: </label>621.38028/FRT