BBC Hand - Book 1970. 

 - London  :  England  Publishers,  c 1970 . 
 - xx, 303 p. :  ill. ;  18 cm. 
<br/><br/> Includes Index. 
<br/><br/>339  339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communications
<br/><br/><label>Dewey Class. No.: </label>384.5 / B11i