Roddy, Dennis <br/><br/>
Electronic communications  

 - 4th. 
 - Singapore  Pearson education  1995 
 - ix, 820p.  24cm. 
<br/><br/><label>ISBN: </label>8129701065 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMMUNICATIONS ENGINEERING
<br/><br/><label>Dewey Class. No.: </label>621.382  / ROD