The American Ephemeris and nautical Almanac for the year 1980 
Nautical Almanac office                                      
 - Washington  Nautical Almanac Office  1979 
 - vii, 575p. 
<br/><br/><label>ISBN: </label>008-054-00083-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs<br/>Astronomy and Astrophysics Thesaurus<br/>Ephemerides
<br/><br/><label>Universal Decimal Class. No.: </label>059:52  / AEN-80