International code of signals, 1969 /  
Great Britain. Department of Transport.  
 - London :   H.M. Stationery Office,   c1969.  
 - xv, 149 p. :   ill. ;   30 cm.  
<br/><br/><label>ISBN: </label>0115506527 115100989 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Signals and signaling. <br/>Merchant marine -- Signaling. <br/>Distress signals. 
<br/><br/><label>Dewey Class. No.: </label>629.042  / INT