000 00356nam a2200133Ia 4500
005 20170517140627.0
008 160615s9999 xx 000 0 und d
245 _aAstronomical almanac for the year 1988
_cASTRONOMICAL ALMANAC
260 _aLondon
_bHMSO
_c1987
300 _aix p. + irregular
942 _cBK
_2udc
999 _c16583
_d16583