Smale, P. H. <br/><br/>
Introduction to telecommunications systems /  [Book]. 
P. H. Smale.  
 - London :   Pitman,   1986. 
 - iv, 156p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0273024426 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.