00601nam a2200157Ia 4500003000900000008004100009020002100050040001600071080001800087110004200105245018700147260004600334300002300380650002500403650001500428IN-BaIIA211028s9999    xx            000 0 eng d  a978-0-7077-41215  cIIA Library  a(059):52bNAU  aHer Majesty's Nautical Almanac Office 4aThe astronomical almanac for the year 2012 and its companion data for astronomy, space sciences, geodesy, surveying, navcNautical Almanac Office, United States Naval Observatory      aWashingtonbU. S. Naval Observatoryc2011  a[various pagings.]  aAstronomical almanac  aEphemeries