Roddy D. . <br/><br/>
Electronics Communications  Donate Books 

 - 3rd ed. 
 - New Delhi  PHI Learning Pvt.  Ltd.,  1989 
 -  p.b.;  24*18. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Dig. Communication 
<br/><br/><label>Dewey Class. No.: </label>621.382  / ROD/COO