The radio communication handbook. 

 - 4th ed. 
 - London :  Radio Society of Great Britain,  c1968. 
 - p :  ill. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--Handbooks.<br/>Radio--Amateurs.--Manuals
<br/><br/><label>LC Class. No.: </label>TK6550  / .R228