O'Reilly,J.J. <br/><br/>
Telecommunication principles 

 - 2nd ed. 
 - London:  Chapman & Hall,  1989 
 - vii, 158p.;  
<br/><br/> Tutorial guides in electronic engineering 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0-412-43700-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>LC Class. No.: </label>TK5101  / .O74 1989