Renton, R. N. <br/><br/>
Telecommunication principles 

 - 3rd ed. 
 - Keynes  ; Pitman Publishing  , 1971 
 - xiii,513p. 
<br/><br/><label>ISBN: </label>0273409514  £2.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication Engineering<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>621.382  / REN