Second-class radioelectronic certificate for global maritime distress and safety system radio personnel :   course and compendium.  

 - London :   International Maritime Organization ,   2002  
 - v, 339 pages :   illustrations ;   29 cm.  
<br/><br/><label>ISBN: </label>9280151185 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GMDSS Radio Personnel Certification.
<br/><br/><label>Dewey Class. No.: </label>623.856  / S1