Hawker, John Patrick. <br/><br/>
Amateur radio techniques / 
[by] Pat Hawker. 
 - 7th ed. 
 - London :  Radio Society of Great Britain,  1980. 
 - 338 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0900612517(pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--Amateurs' manuals.