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.  2012 
 - xx, 428 pages 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in navigation.
<br/><br/><label>Dewey Class. No.: </label>M 623.89 A2388 2012