Brehaut, Denise. <br/><br/>
GMDSS :  a user's handbook / 
Denise Brehaut. 
 - 5th ed. 
 - 128 p. :  col. ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781408187821 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronics in navigation.<br/>Ships--Safety regulations.<br/>Radio--Installation on ships.