Freeman, Roger L. <br/><br/>
Telecommunication transmission handbook : 

 - 2nd ed. 
 - New York:  Wiley ,  1981 
 - xxvii, 706p. :  ill.;  25 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 FRE