Ships' Routeing / 

 - 4th ed. 
 - London :  Inter-Governmental Maritime Consultative Organization ,  1978. 
 - various pagination :  ill., maps ;  30 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rule of the road at sea<br/>Navigation --Safety measures
<br/><br/><label>Dewey Class. No.: </label>387.54042  / In858