Telecommunications pocket book / 
edited by T.L. Squires 
 - England:  Newnes-Butherworth,  1970. 
 - vi, 144p. :  ill. ;  19cm. 
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>408000155 
<br/><br/><label>Source: </label>B-5559 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunications
<br/><br/><label>LC Class. No.: </label>TK510.5  / .S68  1970