Richards, Steve <br/><br/>
Reeds marine engineering and technology Vol.15 :electronics ,navigational aids and radio theory for electrotechnical officers 

 - New Delhi  Adlard Coles Nautical  2013 
 - 184p. 
<br/><br/><label>ISBN: </label>9781408176092 
<br/><br/><label>Dewey Class. No.: </label>623.87 RIC.15