Admiralty list of radio signals volume 6, part 2 : pilot services, vessel traffic services and port operations: Europe, Arctic and Baltic Coasts, incl 

 -  The United Kingdom Hydrographic Office.  2014 
 - xx, 444 pages 
<br/><br/>
<br/><br/><label>ISBN: </label>978-0-7077-4400-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in navigation.
<br/><br/><label>Dewey Class. No.: </label>M 623.89 Ad6 2014