Jolley,E.H <br/><br/>
Introduction to telephony and telegraphy 

 - 1st Ed. 
 - New Delhi  Wheeler & Corporative  1994 
 - 413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics Engineering
<br/><br/><label>Dewey Class. No.: </label>621.3  / JO-I