International Maritime Organization <br/><br/>
International safetyNET manual 

 - 4th Ed.  
 - London   International Maritime Organization  2017 
 - iii, 55p. 
<br/><br/><label>ISBN: </label>9789280116618 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marine meteorological services<br/>Navigational warnings, Special<br/>Navigation--Safety measures
<br/><br/><label>Dewey Class. No.: </label>623.893  / IMO