Admiralty list of radio signals volume 6, part 2 :  pilot services, vessel traffic services and port operations: Europe, Arctic and Baltic Coasts, including Iceland and Faroe Islands. 

 - xx, 428 pages ;  30 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in navigation.