Global maritime distress and safety system / 
International Maritime Organization. 
 - London :  International Maritime Organization,  1987. 
 - v, 90 p.:  30 cm. 
<br/><br/><label>ISBN: </label>9280112163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Distress signals -- Handbooks, manuals, etc.<br/>Navigation -- Safety measures -- Handbooks, manuals, etc.<br/>Radio in navigation -- Handbooks, manuals, etc.<br/>Search and rescue operations -- Handbooks, manuals, etc.
<br/><br/><label>Dewey Class. No.: </label>623.8932   / INT