Freeman Roger L <br/><br/>
Telecommunication transmission handbook. 
Freeman Roger L 
 - 2 
 - New York     John Wileyq       1981 
 - xxvii,706p.  cm. 
<br/><br/><label>Standard No.: </label>130657 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>D65,4, M1   RR