Longley, G. <br/><br/>
Telecommunication primer 

 - 4th ed.- 
 - London:  Pitman,  1993 
 - v,198p.:  ill.;  25cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0-273-60157-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>LC Class. No.: </label>MGT TK5101.L3165