Connor, F.R.,  <br/><br/>
Signals 

 - 123 pages ;   21 cm 
<br/><br/><label>ISBN: </label>0713134585 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.38