Sonnenberg G.J. <br/><br/>
Radar and electronic navigation 

 - London  Newnes - Butterworths  1978 
 - 376p. 
<br/><br/><label>ISBN: </label>0408002727 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Navigation
<br/><br/><label>Dewey Class. No.: </label>621.38  / S62R