000 00344nam a2200145Ia 4500
008 160615s9999 xx 000 0 und d
100 _aASTRONOMICAL ALMANAC
245 _aAstronomical almanac for the year 1991
260 _bHMSO
260 _c1991
300 _aix p. + irreg.
942 _cBooks
999 _c19398
_d19398