IMO standard marine communication phrases 

 - London  International Maritime Organization  2002 
 - 128p. 
<br/><br/><label>ISBN: </label>9789280142112 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio in navigation--Terminology
<br/><br/><label>Dewey Class. No.: </label>623.88 I339