Useful tables :  extracts from the American Practical Navigator / 
compiled & prepared by Merriam & Webster Editorial Staff. 
 - iii, 259 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>971-30-0365-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Useful tables.