Renton, R.N. <br/><br/>
Telecommunications principles / 
R.N. Renton. 
 - London :  Sir Isaac Pitman,  1950. 
 - xiii, 450 p. :  ill. 
<br/><br/><label>LCCN: </label>55051756          
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.