000 00367nam a2200145Ia 4500
008 160615s9999 xx 000 0 und d
100 _aASTRONOMICAL ALMANAC
245 _aThe Astronomical Almanac for the year 1981
260 _aLondon
260 _bHer Majesty's Stationery Office
260 _c1980
942 _cBooks
999 _c13220
_d13220