Roddy, Dennis  <br/><br/>
Electronic communications 
Dennis Roddy 
 - 4th ed. 
 - Delhi  Pearson Education  1995 
 - ix, 820p. 
<br/><br/><label>ISBN: </label>9788129701060 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication<br/>Electronics<br/>Telecommunication systems
<br/><br/><label>Dewey Class. No.: </label>621.38 R613e4