The American Ephemeries and Nautical Almanach  for the year 1971 

 - Washington  US Government Publishing Office  1969 
 - 520 p.tab. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>Subjects--Index Terms: </label>Ephemeris-Nautical Almanach 
<br/><br/><label>Dewey Class. No.: </label>B1801A47f1031