The American Ephemeris and Nautical Almanac for the year 1971 
U.S.Government Printing Office                               
 - Washington  U. S. Government Printing Office  1970 
 - 573p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs<br/>Astronomy and Astrophysics Thesaurus<br/>Ephemeris
<br/><br/><label>Universal Decimal Class. No.: </label>059:52  / AAL-71