Watson, D. W. <br/><br/>
Radio direction finding / 
D.W. Watson, H.E. Wright. 
 - London :  Van Nostrand,  1971. 
 - xiii, 209 p. : ill. 
 - The Marconi series covering advances in radio and radar .
<br/><br/><label>ISBN: </label>044209227X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio direction finders.<br/>Radio compass.