000 00322nam a2200121Ia 4500
001 16808
008 170722s9999 xx 000 0 und d
100 _aChapman, Sydney
245 _aIGY. Year of discovery, the story of the international geophysical year /
653 _aAstronomy
653 _aMathematics
942 _cGEN
999 _c53216
_d53216