GMDSS : a user's handbook 
Brehaut, Denise. 
 - 5th ed. 
 -  Adlard Coles Nautical,  2013 
 - 128 p. 
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<br/><br/><label>ISBN: </label>978-1-40818782-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics in navigation.
<br/><br/><label>Dewey Class. No.: </label>M 623.8932 B834 2013