Nautical almanac for the year 1993 

 - London  HMSO UK         1992 
 - 318 p.  cm. 
<br/><br/><label>ISBN: </label>0117726184 
<br/><br/><label>Standard No.: </label>21150 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERALIA
<br/><br/><label>Dewey Class. No.: </label>n3,N93, N3     RR