Coates, R. F <br/><br/>
Modern communication systems 
R. F,Coates 
 - 2nd ed 
<br/><br/><label>ISBN: </label>0333358333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication--MIS
<br/><br/><label>Dewey Class. No.: </label>621.38 COA