000			00290nam a2200133Ia 4500
001			16695
008			170722s9999 xx 000 0 und d
245			_aYearbook of astronomy(London) /
260			_c1965
653			_aAstronomy
653			_aMathematics
653			_aYearbook
942			_cGEN
999			_c741 _d741