RODDY, Dennis Coolen, John <br/><br/>
Electronic communications 
/[by] Dennis Roddy, John Coolen 
 - New Delhi  Prentice-Hall of India  1978 
 - ix, 706 p. 
<br/><br/> Includes index. 
<br/><br/><label>Dewey Class. No.: </label>621.38  / ROD