000 00355nam a2200133Ia 4500
005 20170522141756.0
008 160615s9999 xx 000 0 und d
245 _aAstronomical almanac for the year 1989
_cASTRONOMICAL ALMANAC
260 _aLondon
_bHMSO
_c1988
300 _aix p. + irrglr.
942 _cBK
_2udc
999 _c17066
_d17066