00585nam a2200181Ia 4500003000900000008004100009040001600050110004200066245005900108260005500167300001200222650002100234650003200255650001500287942000700302999001500309952007900324IN-BaIIA211028s9999    xx            000 0 eng d  cIIA Library  aHer Majesty's Nautical Almanac Office 4aThe astronomical almanac 1981cNautical Almanac Office  aWashingtonbU. S. Government Printing Officec1980  aix, N6.  aAlamanacs911458  aAstronomical almanac911459  aEphemeries  cBK  c6692d6692  00104070aBANbKAVcGENd1980-12-08l0p7442r2021-11-05w1980-12-08yBK