000 00319nam a2200133Ia 4500
001 17175
008 170722s9999 xx 000 0 und d
100 _aPayne-gaposchkin, Cecilia
245 _aVariable stars and galactic structure /
653 _aAstronomy
653 _aMathematics
653 _aStar
942 _cGEN
999 _c54902
_d54902