The Nautical almanac in celestial navigation 
Capt. Sumcad, Clemente S. 
 -  Merriam & Webster, Bookstore.  1993 
 - [vi] 276 p. 
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<br/><br/><label>ISBN: </label>9-71300970-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nautical almanac.
<br/><br/><label>Dewey Class. No.: </label>M 528 N22 1993