Guidance on GMDSS Distress Alerts 

 - London :  International Maritime Organization,  2013 
 - 1 poster :  col. ;  30 x 21 cm. 
<br/><br/><label>ISBN: </label>9789280115734  £ 10.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Navigation--Safety measures--Posters<br/>Distress signals--Posters<br/>Radio in navigation--Posters
<br/><br/><label>Dewey Class. No.: </label>623.8932  / In858