Selected pages from the Nautical almanac 1992 : supplement principles of navigation / 

 - London:  Nautical Almanac Office,  1992. 
 - 52 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nautical Science
<br/><br/><label>Dewey Class. No.: </label>528.2  / N314