000 00370nam a2200145Ia 4500
005 20170530124608.0
008 160615s9999 xx 000 0 und d
245 _aAstronomical almanac for the year 1990
_cASTRONOMICAL ALMANAC
260 _bHMSO
_c1989
300 _aix p. + irreg.
521 _aBasement
942 _cBK
_2udc
999 _c17872
_d17872